KitScout

Platforms

x402 MCP servers, Agent Skills & plugins

307 tools that work with x402: 305 MCP servers, 2 Agent Skills and 0 Claude Code plugins. 137 of the remote servers answered our live check, 43 worked without an API key, and 113 come from an official or verified publisher. Ranked by GitHub stars plus official, live and free-to-try signals.

Most common uses: Multi-agent, orchestration & workflows (71), Market data, stocks & crypto (48), Payments & billing (43), Web search engines & search APIs (40).

All tools

Type
Publisher
Runs
Status
Access
ToolStarsLast updateLicense
x402
x402 agentic payments (Coinbase's HTTP 402 protocol). Custody-free tools to pay x402-protected endpoints (build the EIP-3009 transferWithAuthorization
SkillInstall · skills CLI
7,12019 days ago—
x402-erc7710
Design and implement demos combining x402 HTTP payments with ERC-7710 smart contract delegations and ERC-7715 wallet permission requests for subscript
SkillInstall · skills CLI
7,12019 days ago—
com.theaslangroupllc.pulse/pulsenetwork
914 paid market-data & token-safety endpoints — keyless x402 USDC: Base, Solana, XRPL, +8 chains
MCP serverVerified domain · pulse.theaslangroupllc.comRemote● LiveFree to try
324 days agoApache-2.0
Quiet Menders
Privacy clinic + pay-per-call data APIs for AI agents via x402. Never pays or touches keys.
MCP serverVerified domain · brianbooms.comRemote● LiveFree to try
144 days agoMIT
uk.minia2a/minia2a-mcp-remote
minia2a.uk — hosted MCP over streamable HTTP: call 1,600+ x402 pay-per-call APIs, USDC on Base.
MCP serverVerified domain · minia2a.ukRemote● LiveFree to try
19 days agoMIT
com.x402-list/x402-list-mcp
Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.
MCP serverVerified domain · x402-list.comLocal · npm
1832 days agoMIT
OpenQR
Generate, edit and track dynamic (editable) QR codes with scan analytics. Hosted MCP and REST API.
MCP serverVerified domain · openqr.ukLocal · npm
154 days agoAGPL-3.0
cloud.fetcher/fetcher
The web capability layer for AI agents: render, extract, DNS, SSL, WHOIS & more via x402.
MCP serverVerified domain · fetcher.cloudRemote● LiveFree to try
02 months agoMIT
Código 07 · Human verification in Peru
Marketplace of vetted human verifiers in Peru, hired and paid by AI agents in USDC via x402.
MCP serverVerified domain · codigo07.vercel.appRemote● LiveFree to try
———
dev.charliemorrison/agent-web-reader
Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.
MCP serverVerified domain · charliemorrison.devRemote● LiveFree to try
04 months agoMIT
dev.fetchgate/fetchgate
Fetch any URL as clean Markdown or metadata, and buy digital goods via x402 — for AI agents.
MCP serverVerified domain · fetchgate.devRemote● LiveFree to try
———
geld machen x402 agent utilities
x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans
MCP serverVerified domain · geld-machen-x402.fly.devRemote● LiveFree to try
———
Goldsky
Goldsky docs: Edge RPC on 150+ chains, Feeds APIs, Subgraphs, Turbo, x402 pay-per-request.
MCP serverVerified domain · goldsky.comRemote● LiveFree to try
011 days ago—
Grokzilla micro pay
32 x402 pay-per-call tools: SEO, agent audits, JSON/text utils, OSINT. USDC on Base; $1=300 calls
MCP serverVerified domain · grokzilla.shopRemote● LiveFree to try
———
Lemou Free APIs for AI Agents
Free HTML/CSV conversion, JSON validation, text stats and time APIs. Optional agent interviews.
MCP serverVerified domain · ai.lemou.ukRemote● LiveFree to try
———
LION - Trend Intent MCP + Marketplace Visibility Audit
x402-paid MCP data: trend feed + visibility audit. USDC/Base. No API key. No PII.
MCP serverVerified domain · gleaming-cassata-d41682.netlify.appRemote● LiveFree to try
———
Next Generation Movers
Free US moving quotes for AI agents (long-distance nationwide, local DC/MD/VA). Optional x402 quote.
MCP serverVerified domain · ngm-agent-api.nextgenmovers.workers.devRemote● LiveFree to try
———
orbit Crypto News
Deduplicated crypto headlines from 37 RSS sources. Free preview; $0.0008/call via x402.
MCP serverVerified domain · crypto-news.orbit-builder.workers.devRemote● LiveFree to try
———
P0: x402 service search
Find paid x402 APIs for a task: sellers, prices and networks, plus agent-economy data
MCP serverVerified domain · x402-bazaar-rank.x402-bazaar-rank-worker.workers.devRemote● LiveFree to try
———
Professor Sausages — Trust & Verification
Email, phone, domain, URL & OFAC verification; phishing and IBAN checks via x402.
MCP serverVerified domain · professorsausages.comRemote● LiveFree to try
———
Professor Sausages — Web & Documents
Read pages & files to text, news, weather, market holidays and timezones via x402.
MCP serverVerified domain · professorsausages.comRemote● LiveFree to try
———
qart.uk QR studio
qart.uk MCP server: resolve scanned codes, browse the free pool, and buy QR artwork.
MCP serverVerified domain · qart.ukRemote● LiveFree to try
———
Teppi
Check what a paid x402 endpoint or MCP server delivered, from probes anyone can repeat.
MCP serverVerified domain · teppi.xyzRemote● LiveFree to try
———
ToolPick
Find and live-check the paid x402 API for an agent task, ranked by real 30-day payers and price.
MCP serverVerified domain · youraitools.coRemote● LiveFree to try
———
uk.leavetracker/site
Leave Tracker: the site's own MCP server — calculator, enquiry (enquiry = a human handoff, not a...
MCP serverVerified domain · leavetracker.ukRemote● LiveFree to try
———
uk.ppcagencybristol/site
PPC agency Bristol: the site's own MCP server — enquiry (enquiry = a human handoff, not a...
MCP serverVerified domain · ppcagencybristol.ukRemote● LiveFree to try
———
uk.ppcagencymanchester/site
PPC agency Manchester: the site's own MCP server — enquiry (enquiry = a human handoff, not a...
MCP serverVerified domain · ppcagencymanchester.ukRemote● LiveFree to try
———
Vextorium
200+ x402 APIs for AI agents: official statistics, crypto prices, compliance and web tools.
MCP serverVerified domain · api.vextorium.comRemote● LiveFree to try
04 days agoMIT
x402 agent toolkit: service finder, payment safety, Solana & web tools
x402 tools: service finder, payment precheck/verify, Solana mint check, web-to-Markdown
MCP serverVerified domain · x402-pay-precheck.moneytools.workers.devRemote● LiveFree to try
———
X402-Broker Universal MCP Gateway & Multi-Agent Swarm Router
Single-connection MCP gateway discovering and executing 490+ verified MCP & A2A tools.
MCP serverVerified domain · x402broker.comRemote● LiveFree to try
028 days agoMIT
io.github.BlockRunAI/blockrun-mcp
Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
MCP serverGitHub-verified authorLocal · npm
3901 day agoMIT
x402 & MCP Server Index (Tanod)
x402 endpoint and MCP server index: find paid APIs for agents, x402 checks and price benchmarks.
MCP serverVerified domain · tanod.devRemote● LivePaid calls
14 days agoMIT
three.ws Agent Wallet
Give your AI agent an x402 wallet: discover and pay for services in USDC, or earn from your own.
MCP serverGitHub-verified authorRemoteSign-in needed
2781 day agoApache-2.0
three.ws x402 Bazaar
Discover and price paid agent services across the live x402 network, by three.ws.
MCP serverGitHub-verified authorRemoteSign-in needed
2781 day agoApache-2.0
x402 Universal Payer
Pay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps.
MCP serverGitHub-verified authorLocal · npm
2781 day agoApache-2.0
x402 Wallet
Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key.
MCP serverGitHub-verified authorLocal · npm
2781 day agoApache-2.0
Agent Tools (x402 pay-per-call)
URL-to-Markdown ($0.002) and summarization ($0.003), paid per call in USDC on Solana via x402.
MCP serverVerified domain · agent-tools.faling-bot.workers.devRemote● LivePaid calls
———
AgentPay x402 Facilitator
Verify signed x402 payments; treasury-scoped settlement is irreversible.
MCP serverVerified domain · x402-agent-pay.comRemote● Live
———
Agents Colombia
Colombian tax, company, contract, trademark and ad-compliance agents, paid per call with x402 USDC.
MCP serverVerified domain · agentscolombia.ioRemote● Live
———
agentsvc.io
126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder
MCP serverVerified domain · agentsvc.ioRemote● LivePaid calls
———
alpha402x Equity Research
Cited, filing-grounded equity research via x402, per call: graded quarterly cards, WACC, 10-Q.
MCP serverVerified domain · alpha402x.comRemote● LivePaid calls
———
app.higgsfield.mizan-bazar/mizan
Check an x402 endpoint before your agent pays it: avoid / caution / ok, proven on-chain.
MCP serverVerified domain · mizan-bazar.higgsfield.appRemote● Live
———
app.netlify.micropay-test-suite/micropay-test-suite
Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.
MCP serverVerified domain · micropay-test-suite.netlify.appRemote● Live
———
Bot Bazaar
Pay-per-call x402 audit suites (USDC on Base) and agent marketplace tools. Free sample reports.
MCP serverVerified domain · bot-bazaar.fly.devRemote● LivePaid calls
———
Chain Check (x402)
x402-paid on-chain tools: wallet report, contract scan, token risk, gas, address labels (USDC/Base)
MCP serverVerified domain · chaincheck-api.netlify.appRemote● Live
———
com.vevang/agents
Hire Vevang's AI agents, pay-per-call in USDC on Base via x402: video, visibility, verify, extract
MCP serverVerified domain · vevang.comRemote● LivePaid calls
———
com.x402supply/endpoint-diligence
Live x402 endpoint trust/diligence check before you pay it. $0.02/call via x402.
MCP serverVerified domain · x402supply.comRemote● LivePaid calls
———
com.x402supply/entity-resolve
Fuzzy entity resolution and dedupe for names, addresses, and company records. $0.02/call via x402.
MCP serverVerified domain · x402supply.comRemote● Live
———
com.x402supply/hts-classify
Classifies products into HS/HTS customs codes for import/export workflows. $0.10/call via x402.
MCP serverVerified domain · x402supply.comRemote● Live
———
com.x402supply/page-extract
URL to clean article markdown/text + metadata and links. Deterministic. $0.001/call via x402.
MCP serverVerified domain · x402supply.comRemote● Live
———
com.x402supply/pii-redact
Detects and redacts PII (emails, phones, SSNs, names, addresses) from text. $0.02/call via x402.
MCP serverVerified domain · x402supply.comRemote● Live
———
dev.fly.obol-x402/obol
Pre-trade safety verdicts for agents: token rug/honeypot, calldata guard, wallet risk — signed x402.
MCP serverVerified domain · obol-x402.fly.devRemote● Live
———
dev.workers.ghost-agent-os.ghost-identity/ghost-x402-market-intel-vet-schema
Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.
MCP serverVerified domain · ghost-identity.ghost-agent-os.workers.devRemote● Live
———
dev.workers.kikoribera03.flat-rate-llm/x402-tools
61 x402 pay-per-call tools that chain: each answer names the next call. No API key, no account.
MCP serverVerified domain · flat-rate-llm.kikoribera03.workers.devRemote● LivePaid calls
———
FHI MCP Server Security Audit
Free payment guide and Base-USDC x402 MCP security, package, domain, and SEC tools.
MCP serverVerified domain · polished-truth-c514.fhi-llc-1118.workers.devRemote● Live
———
GeekVault
51 tools para agentes de IA, pagadas por llamada via x402 (USDC/Base). Sin cuentas ni keys.
MCP serverVerified domain · mcp.geekvault.devRemote● LivePaid calls
———
IGNOREO
Tools for AI agents, pay per call in USDC (x402): privacy scan, site/email/VIN checks, chess, more
MCP serverVerified domain · ignoreo.comRemote● LivePaid calls
———
IoMarkets Topup (demo)
Demo only, payments switched off. Travel eSIMs and mobile top-ups priced in USDC via x402.
MCP serverVerified domain · iomarkets.appRemote● LivePaid calls
02 days ago—
Liquid Agent
Money tools for AI agents over x402: USDC bridge to 16 chains, Polymarket data, stocks, USDC gas.
MCP serverVerified domain · api.liquidagent.aiRemote● LivePaid calls
04 days agoMIT
Market Intelligence API
Market data for AI agents via x402: token safety, DeFi yields, order flow, SEC filings, macro, perps
MCP serverVerified domain · api.marketintelligenceapi.comRemote● LivePaid calls
———
Market Intelligence API (core)
Compact 18-tool x402 market data server: token safety, Fed odds, DeFi yields, swap quotes, decisions
MCP serverVerified domain · api.marketintelligenceapi.comRemote● Live
———
Money Maker x402 tools: EVM reads + AI tasks
x402 pay-per-call: EVM balances, tx decode, transfers; AI extract, classify, embed, speech, image
MCP serverVerified domain · ai-policy-kit.moneymaker-ai.workers.devRemote● LivePaid calls
———
Nightshift Labs: link, token & signature pre-checks
Paid x402 pre-checks for agents: phishing links, Base tokens, EIP-712 permits, calldata, DNS.
MCP serverVerified domain · nightshift-x402.nightshift-labs.workers.devRemote● LivePaid calls
05 days agoMIT
Northline WebKit
Pay-per-call web tools for agents: URL to markdown, metadata, links, DNS, email/domain checks, RDAP.
MCP serverVerified domain · northline-webkit.northline-c86.workers.devRemote● LivePaid calls
———
orbit Token Risk
Rug check & honeypot flags for Base/Solana tokens. Free preview; full $0.0009/token via x402.
MCP serverVerified domain · token-risk.orbit-builder.workers.devRemote● Live
———
orbit x402 Picks
Which x402 endpoint to call: ranked by relevance, payers, recency, price. $0.005/call via x402.
MCP serverVerified domain · x402-picks.orbit-builder.workers.devRemote● Live
———
Professor Sausages — Finance
SEC filings, insider trades, 13F, IPO calendar, macro & FX MCP tools via x402.
MCP serverVerified domain · professorsausages.comRemote● Live
———
Professor Sausages — On-chain
EVM gas, Chainlink prices, token-safety, swap quotes, ENS, OFAC & NFT via x402.
MCP serverVerified domain · professorsausages.comRemote● Live
———
SCRIPTMASTERLABS — GhostKey MCP
Remote MCP for compliant pay-per-use agent capabilities with x402 execution.
MCP serverVerified domain · scriptmasterlabs.comRemote● Live
———
SORNKan Publish
Host a static website from a zip: $1 USDC/month via x402 on Base, or card/PromptPay link.
MCP serverVerified domain · sornkan.comRemote● Live
———
Synthex Forge — x402 Paid Agent Services
Paid agent services settled in USDC on Base via x402. Signed, verifiable, and free to verify.
MCP serverVerified domain · x402.synthexforge.comRemote● LivePaid calls
023 days agoMIT
Tokenized Stocks & Agent Data (x402)
x402-paid data for agents: tokenized stocks on Base, Solana token verdicts, AI-progress readings
MCP serverVerified domain · x402-accelerometer-feed.fly.devRemote● LivePaid calls
———
uk.firstmention.api/automaton
Pay-per-call MCP tools run by autonomous AI agents, each call paid with x402 in USDC.
MCP serverVerified domain · api.firstmention.ukRemote● LivePaid calls
———
uk.postcodecontext/mcp
UK location intelligence: Census, HMLR/RoS prices, EPC, IMD, schools & transit via x402
MCP serverVerified domain · postcodecontext.ukRemote● LivePaid calls
04 days ago—
US Economic, SEC EDGAR & On-Chain Data (x402)
21 paid tools: US macro data, SEC EDGAR filings, on-chain EVM reads. Settled in USDC on Base.
MCP serverVerified domain · agentfund.netRemote● LivePaid calls
03 months ago—
venue-watch agent tools
Pay-per-call (x402, USDC on Base) web-to-Markdown, PDF text, India IFSC/PIN, Base address tools.
MCP serverVerified domain · venue-watch.fantastic-snowstorm.workers.devRemote● LivePaid calls
———
Wafermap
x402 layer for AI agents: 35 pay-per-call resources, x402 service discovery, USDG/USDC.
MCP serverVerified domain · wafermap.xyzRemote● Live
———
web3id paid tools
FX, funding rates, token cross-rates, weather joins, Solana dossiers, x402 audits. USDC per call.
MCP serverVerified domain · www.web3id.xyzRemote● Live
———
x402 economy tools
Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.
MCP serverVerified domain · multichain-rpc.clankerceo.workers.devRemote● Live
02 months ago—
X402 Git
Buy private git repos and agent skills with USDC over x402. Read the manifest free, then pay.
MCP serverVerified domain · x402git.comRemote● LivePaid calls
———
x402 Markdown Reader
Turn any public web page into clean Markdown. Pay-per-call via x402: 0.005 USDC on Base.
MCP serverVerified domain · x402-reader.xbtbot.workers.devRemote● LivePaid calls
———
x402 Precheck
Check an x402 payment challenge before your agent pays: network, USDC, amount, payTo, facilitator.
MCP serverVerified domain · x402-precheck.w0arvg81zlgf.workers.devRemote● Live
———
X402-Broker Global A2A, MCP & x402 Super-Marketplace
1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.
MCP serverVerified domain · x402broker.comRemote● Live
028 days agoMIT
X402-Broker Global B2A & A2A Tool Marketplace
Autonomous agent clearinghouse indexing 23,000+ MCP, A2A, x402 & MPP tools with instant execution.
MCP serverVerified domain · x402broker.comRemote● Live
———
x402serps
Pay-per-call web search from $0.004, cited answers, crawl, research, SEO and leads via x402.
MCP serverVerified domain · x402serps.comRemote● Live
———
Xaurr
Xaurr payments for Ghana, Kenya, Uganda, Nigeria: docs, test checkouts, Payouts, invoices, links
MCP serverVerified domain · xaurr.comRemote● LiveAPI key needed
———
DCL Trust Oracle — AI/LLM Output Audit (x402 MCP)
AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.
MCP serverVerified domain · fronesislabs.comRemoteDown
128 days agoApache-2.0
MIAPI — Grounded Web Answers
Web search and AI answers with real source citations and a confidence score.
MCP serverVerified domain · miapi.ukLocal · PyPI
12 months agoMIT
Tollbooth Swap API
Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.
MCP serverVerified domain · api.tollboothswap.xyzLocal · npm
13 months agoMIT
uk.minia2a/minia2a-mcp
minia2a.uk — x402 pay-per-call APIs for AI agents, USDC on Base, 5 free trials per wallet.
MCP serverVerified domain · minia2a.ukLocal · npm
19 days agoMIT
uk.quantdata/quantdata
Four market-statistics tools + a free qd_ key by email: 1 anonymous look, then 10 calls/UTC day.
MCP serverVerified domain · quantdata.ukRemoteDown
12 months agoMIT
x402receipts
Record x402 agent purchases as reconciled, auditable receipts; verify any receipt on the ledger.
MCP serverVerified domain · x402receipts.comLocal · npm
145 days agoMIT
Agent402.Tools: pay-per-call web tools
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
MCP serverGitHub-verified authorLocal · npm
511 day agoAGPL-3.0
402xAgent
Check an x402 endpoint before your agent pays: pay, skip or recheck, with Ed25519-signed receipts.
MCP serverGitHub-verified authorRemote● LiveFree to try
11 day agoMIT
AgentKit x402 - pay-per-call tools for agents
Email, DNS, SPF/DMARC, site contacts, Markdown, IBAN, Swedish validators. Pay per call (x402).
MCP serverVerified domain · agentkit-x402.erikssonanton2001.workers.devRemoteDown
———
beyourspace data APIs
Pay-per-call data tools via x402: Spanish/EU open data, extraction, URL to Markdown, CSV to JSON.
MCP serverVerified domain · beyourspace.esRemoteDown
———
com.gtxagent/gtxagent-mcp
Eleven paid x402 crypto tools for AI agents: prices, quotes, safety, decisions, whales.
MCP serverVerified domain · gtxagent.comLocal · npm
———
com.theaslangroupllc.pulse/agent-wallet
Local agent wallet + 900 pay-per-call data APIs — free discovery, x402 USDC, code-level spend caps
MCP serverVerified domain · pulse.theaslangroupllc.comLocal · npm
03 months agoMIT
com.trycloudflare.electron-quality-edge-chapter/ghost
Paid x402 tools: schema-change detection and x402 seller vetting. Interim hostname.
MCP serverVerified domain · electron-quality-edge-chapter.trycloudflare.comRemoteDown
———
Contact Verify (verify-x402)
Contact Verify (verify-x402). Basic $0.002, domain $0.02, sender $0.025.
MCP serverVerified domain · verify-x402.okwithit9.workers.devLocal · npm
———
dev.fly.veles-finance-gateway/veles-finance-mcp
AI financial agent: due diligence, SEC 10-K, Kelly Criterion. Pay-per-call via x402 USDC.
MCP serverVerified domain · veles-finance-gateway.fly.devLocal · PyPI
———
dev.paypercall.extract/vend-api-merchant
Pay-per-call web intel: extract, search, link check, domain, geo, Nano. Settled via Nano x402.
MCP serverVerified domain · extract.paypercall.devRemoteDown
06 days agoMIT
dev.true402/mcp-server
Pay-per-call AI + web + on-chain tools over x402 (USDC on Base): LLM, SEO, extract, token safety.
MCP serverVerified domain · true402.devLocal · npm
01 day agoMIT
dev.x402check/mcp
Preflight before paying any x402 tool (ok|caution|avoid + history). 1 free/wallet; then $0.01 Base.
MCP serverVerified domain · x402check.devLocal · npm
———
Ethereal Goods x402 Tools
70+ pay-per-call security, crypto, and data tools for AI agents via x402 USDC micropayments on Base
MCP serverVerified domain · etherealgoodsco.storeRemoteDown
———
facts402: x402 API finder + fact checks
Find the right paid x402 API, plus fact checks: IBAN, EU VAT, OFAC sanctions, LEI, FX
MCP serverVerified domain · facts402.comLocal · PyPI
011 days agoMIT
Fetch Router
Verified web fetch for agents: detects blocks and empty JS pages, falls back, bills only on success.
MCP serverVerified domain · fetchrouter.devLocal · npm
05 days agoMIT
Mat Web & Data Toolkit (x402)
28 pay-per-call web/data tools: RDAP, SSL, DNS, SEO, FX, crypto, more. 0.01 USDC each via x402.
MCP serverVerified domain · automatom-x402.netlify.appRemoteDown
———
Mayneart MCP Catalog
Live Mayneart MCP server exposing the dynamic SELLABLE catalog with x402 execution.
MCP serverVerified domain · mcp.mayneart.ukRemoteDown
———
MOSN Solana Safety
Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402.
MCP serverVerified domain · mosn-api.mosn-3r41y.workers.devRemoteDown
01 day ago—
Myncellium Paid MCP
Pay-per-call MCP tools over x402 (USDC/Solana): LLM, utilities, x402 market and model prices.
MCP serverVerified domain · paid.myncellium.comRemoteDown
———
Onchain Intel (x402)
Pay-per-call crypto intel via x402: honeypot/rug check, whale flows, unlocks, MEV, liquidation risk
MCP serverVerified domain · unlockbot.surge.shRemoteDown
———
orisha-data
MCP server for x402 paid market-data endpoints.
MCP serverVerified domain · orisha-data.comLocal · npm
———
paidfor
Check an x402 seller before paying: verdict, failure rate and evidence from paid calls on Base.
MCP serverVerified domain · paidfor.devLocal · npm
———
ResolutionRelay API Search
Search millions of x402 APIs for data, finance, validation, security, inventory, sync and automation
MCP serverVerified domain · api.mayneart.ukRemoteDown
———
Settled
Check x402 endpoints before your agent pays: payTo, paid test purchases, payee and buyer reports
MCP serverVerified domain · settled.toolsLocal · npm
———
TWZRD Agent Intelligence
Pre-spend trust for AI agents that buy: check x402 services and product listings before paying.
MCP serverVerified domain · intel.twzrd.xyzLocal · PyPI
01 day agoMIT
uk.minia2a/minia2a-x402
x402 directory for AI agents: 1,700 pay-per-call APIs, USDC on Base, 5 free trials per wallet.
MCP serverVerified domain · minia2a.ukLocal · npm
050 days agoMIT
x402 Compatibility Intelligence
Preflight x402 payment compatibility with structured risk evidence and remediation guidance.
MCP serverVerified domain · inversolabs.usRemoteDown
———
x402 Endpoint Search
Search 88k x402 endpoints: price/call, 30-day volume, payee, 402 handshake. Free, no key.
MCP serverVerified domain · gadgethumans.comLocal · npm
———
x402fix
x402 endpoint doctor: grades a paid route A-F unpaid, with paste-ready fixes. By Crypto Money Maker
MCP serverVerified domain · youraitools.coLocal · npm
———
xyz.verifiedky/sentinel-402
Independent uptime oracle for the x402 agent economy. Free probes, paid history via USDC on Base.
MCP serverVerified domain · verifiedky.xyzRemoteDown
———
Agent Reality Layer
Buy timestamped web, company, commerce, social, document and decision data via x402.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
Agoranome buyer checks and market data
Free tools for agents that pay with x402: the fair pick, a check before paying, buyers' reports.
MCP serverGitHub-verified authorRemote● LiveFree to try
02 days ago—
AlphaBotPro Trading API
Live XAUUSD/BTCUSD trading signals, priced in USD, payable by AI agents via crypto (x402).
MCP serverGitHub-verified authorRemote● LiveFree to try
02 months agoMIT
Blockchain IQ x402 (remote, keyless)
Pay-per-call crypto data over x402 (USDC on Base). Hosted, no wallet or key held by the server.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
Bounty Engineer Agent Commerce
Remote MCP storefront for agent routing, verification, web extraction and x402-paid tools.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
io.github.jdhart81/agent-metering
Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).
MCP serverGitHub-verified authorRemote● LiveFree to try
01 day agoApache-2.0
io.github.tacticalnoot/agent-embassy
Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments
85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
MimirAPI
Pay-per-call agent tools over x402 (USDC on Base) — no signup or API key.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
Prime-Agent x402 Intelligence
Discover and quote x402-paid Base intelligence products.
MCP serverGitHub-verified authorRemote● LiveFree to try
01 day ago—
Riley Craig x402 Agent Store
AI brand/token visibility, prediction-market odds & cheap x402 data feeds for AI agents.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
SqueezeOS — Institutional AI Market Intelligence
Institutional AI market intelligence: squeeze scanner, options flow, council verdicts. x402 RLUSD.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
TrollBridge MCP
Pay-per-call intel bridge for AI agents — 18 tools; tolled lanes $0.02 USDC via x402
MCP serverGitHub-verified authorRemote● LiveFree to try
040 days agoMIT
x402 Bazaar Rank
Ranked search over 15k+ live x402 services by real 30-day usage; free top-5, paid depth via x402.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
x402 Scraper API
Paid web extraction: markdown, structured JSON, market-rules and page-change checks via x402.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
x402-snap
Pay-per-call browser rendering and x402 marketplace ranking for AI agents, billed via USDC.
MCP serverGitHub-verified authorRemote● LiveFree to try
———
x402check
Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow
MCP serverGitHub-verified authorLocal · npm
121 day agoMIT
GateCheck by LarryBuildsAI
One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.
MCP serverGitHub-verified authorRemote● LiveAPI key needed
14 months ago—
io.github.epistemedeus/x402-data-gateway
Agent tools for discovery, payment safety, data extraction, and DeFi.
MCP serverGitHub-verified authorRemote● LivePaid calls
11 day agoMIT
io.github.getgapup/gapup-mcp
271 agent-payable tools: competitive intel, finance, KYC, compliance, ESG. x402 per-call.
MCP serverGitHub-verified authorRemote● LivePaid calls
140 days ago—
x402 Doctor
Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check.
MCP serverGitHub-verified authorRemote● Live
11 day agoAGPL-3.0
ClawPay MCP — Non-Custodial x402 Payments for AI Agents
Non-custodial x402 payments for AI agents. Sign locally, spend limits, Base network.
MCP serverGitHub-verified authorLocal · npm
85 days agoMIT
io.github.up2itnow0822/agentpay
Non-custodial x402 payment MCP server for AI agents. Wallets and payments on 17 chains.
MCP serverGitHub-verified authorLocal · npm
85 days agoMIT
io.github.up2itnow0822/clawpay
Non-custodial x402 payment MCP server for AI agents. Wallets, payments, and commerce on 17 chains.
MCP serverGitHub-verified authorLocal · npm
85 days agoMIT
io.github.derNif/payanagent
Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy
MCP serverGitHub-verified authorLocal · npm
52 months agoMIT
PayStage Preflight
Evaluate x402 PaymentRequired against a local spending policy before an agent pays
MCP serverGitHub-verified authorLocal · npm
51 day agoMIT
369 Meter — pay-per-call APIs for agents (x402)
Pay-per-call APIs for agents: text analysis, game facts, translation QA, hook scoring via x402.
MCP serverGitHub-verified authorRemote● Live
019 days agoMIT
Agent Procurement Manager (APM)
Procurement agent for AI agents: free quote, buys verified x402 data services, pay per task in USDC.
MCP serverGitHub-verified authorRemote● Live
———
agent-audit + page-read (x402)
Pay-per-call page reader, quote check, link check and x402 seller audit. USDC on Base via x402.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
AI Web Research & Research Brief Agent
x402 cited web research and synthesis for agents. $1.99 per completed brief.
MCP serverGitHub-verified authorRemote● Live
024 days agoMIT
Battery Proposal Agent
Validate US battery proposals and purchase policy-aware quote and payback results through x402.
MCP serverGitHub-verified authorRemote● Live
———
BentCrypto Machine Payments
Paid token risk and security intelligence for AI agents over MCP with x402 payments.
MCP serverGitHub-verified authorRemote● Live
———
BIG Machine Market
AI-native $0.001 interpretation and state-deviation checks over x402.
MCP serverGitHub-verified authorRemote● Live
———
Boundary Guard x402
MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.
MCP serverGitHub-verified authorRemote● LiveAPI key needed
———
call402 — x402 Agent Services
x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
Decision Integrity
Paid x402 evaluator for evidence, warrant, provenance, and represented action authority.
MCP serverGitHub-verified authorRemote● Live
———
DeriveAI x402 APIs
25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)
MCP serverGitHub-verified authorRemote● Live
02 months ago—
Hermes Agent Data Services (x402)
x402 paid on-chain data: token report, contract DD, pool risk, wallet profile, Robinhood Chain.
MCP serverGitHub-verified authorRemote● Live
———
io.github.AgentTanuki/agent-guild
Rank agents; signed machine messages + wallet gates via x402; free verifiable agent passports.
MCP serverGitHub-verified authorRemote● LivePaid calls
02 days agoApache-2.0
io.github.AgentTanuki/x402-payment-safety
Authorize x402 payments before signing with request-bound, signed safety decisions.
MCP serverGitHub-verified authorRemote● Live
02 days agoApache-2.0
io.github.christianscode1994/volatiai-mcp
Pay-per-use MCP tools for AI agents. USDC on Base via x402. No API keys.
MCP serverGitHub-verified authorRemote● LivePaid calls
01 day agoMIT
io.github.horizon-pulse/horizon-pulse
28 agent tools via x402: crypto data, tx checks, web fetch. MCP pays Base USDC; HTTP adds 3 rails.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
io.github.huwhitememes/tollbooth
37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
io.github.JasonColapietro/agentic-commerce-catalog
AI music, video, image, and voice tools callable by agents with USDC payments via x402 on Base.
MCP serverGitHub-verified authorRemote● Live
———
io.github.verixiaapps/hostdefi-x402
Free token-safety scans + paid x402 verdicts, signals, radar & EVM swap quotes for AI agents.
MCP serverGitHub-verified authorRemote● Live
———
Link Extractor for AI Agents
x402 structured link extraction for agents. $0.0005 per successfully processed page.
MCP serverGitHub-verified authorRemote● Live
024 days agoMIT
Omega x402 Security, Biomed & Escrow Intelligence MCP
7 x402 v2 pay-per-call MCP tools for FDA/ChEMBL, token rug scan, Base escrow & wallet forensics.
MCP serverGitHub-verified authorRemote● Live
———
OptimToken: AI and Compute Economics
For FinOps: what an AI workload costs, where to buy it, when to self-host, what moved. All sourced.
MCP serverGitHub-verified authorRemote● Live
01 day agoMIT
Scrooge Tool Mill
8 pay-per-call agent tools: company card $0.03, page meta $0.002. USDC on Base via x402.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
SiteCheck
225 pay-per-call agent tools: Polymarket, chain reads, DeFi, web, SEC, KYB, geo, dev, AI. x402
MCP serverGitHub-verified authorRemote● LivePaid calls
031 days agoMIT
SiteCheck Agent Intel & Dev
136 pay-per-call agent tools: agent intelligence, token risk, developer and AI data tools. x402
MCP serverGitHub-verified authorRemote● LivePaid calls
———
SiteCheck Company Records
121 pay-per-call agent tools: company registry, government, legal and B2B data tools. x402
MCP serverGitHub-verified authorRemote● LivePaid calls
———
SiteCheck Crypto & Finance
174 pay-per-call agent tools: crypto, DeFi, on-chain (Bitcoin, Kaspa, Bittensor), finance. x402
MCP serverGitHub-verified authorRemote● LivePaid calls
———
SiteCheck Health & Travel
121 pay-per-call agent tools: health care, drug, provider and travel data tools. x402
MCP serverGitHub-verified authorRemote● LivePaid calls
———
SiteCheck Jobs & Property
112 pay-per-call agent tools: job market and real estate data tools. x402
MCP serverGitHub-verified authorRemote● LivePaid calls
———
Sitemap URL Extractor for AI Agents
x402 sitemap discovery and URL extraction for agents. $0.0001 per emitted URL.
MCP serverGitHub-verified authorRemote● Live
024 days agoMIT
Trading Zones 4H Market Decisions
BTC, ETH, XRP, ONDO and TZ SELECT 4H decisions, native x402 MCP and open buyer SDK.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
Web Metadata, Open Graph & JSON-LD Extractor
Open Graph, JSON-LD, canonical, robots, headings and page metadata extractor via direct x402 MCP.
MCP serverGitHub-verified authorRemote● Live
024 days agoMIT
x402 Agent Hub
Onchain reads, SEC company financials, company & people enrichment, token verdicts via x402 USDC
MCP serverGitHub-verified authorRemote● LivePaid calls
014 days agoMIT
x402 Micropayments MCP
Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
x402 Oracle
Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.
MCP serverGitHub-verified authorRemote● LivePaid calls
04 days agoMIT
x402 Toolbox
62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
x402 Web Extract
Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.
MCP serverGitHub-verified authorRemote● LivePaid calls
———
x402 Web Tools
Pay-per-call tools for agents: web page to Markdown, tech stack, email domain check (x402 USDC)
MCP serverGitHub-verified authorRemote● LivePaid calls
———
xDEO — Earnings Oracle
Reputation-ranked analyst earnings estimates. Pay per call via x402 on Base.
MCP serverGitHub-verified authorRemote● Live
———
io.github.cinderwright-ai/cinderwright-api
Cross-protocol agent payments hub. x402, MPP, L402/Lightning. 1551 services indexed.
MCP serverGitHub-verified authorLocal · npm
42 months agoMIT
io.github.m9labs-railscope/verantis-mcp
Verified directory for machine payments (x402 & MPP): check services and wallets before agents pay.
MCP serverGitHub-verified authorLocal · PyPI
42 months agoMIT
x402 Discovery MCP
Discover x402 APIs by capability, price & trust. Powered by x402Scout.
MCP serverGitHub-verified authorRemoteDown
48 months agoMIT
io.github.AlexanderLawson17/revettr-mcp
Counterparty risk scoring for agentic commerce via x402 micropayments.
MCP serverGitHub-verified authorLocal · PyPI
37 months agoMIT
x402 Trinity
Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless.
MCP serverGitHub-verified authorLocal · npm
347 days ago—
io.github.Fabio662/yieldagentx402
Policy-gated x402 MCP for agent workflows with TEE receipts, 18 tools, and no custody.
MCP serverGitHub-verified authorLocal · npm
25 months agoMIT
io.github.HTTPayer/mcp
x402 micropayments for AI agents — credits-based, no wallets, no blockchain.
MCP serverGitHub-verified authorLocal · npm
26 months ago—
io.github.presidio-v/presidio-hardened-x402-mcp
Pre-payment safety gate for x402 agents: PII screening, spend policy, replay checks before signing.
MCP serverGitHub-verified authorLocal · PyPI
26 days agoMIT
Lumière PayCheck
Check x402 endpoints before your AI agent pays: grades, payment checks, refunds, receipts.
MCP serverGitHub-verified authorLocal · npm
21 day agoMIT
x402 Conformance
x402 payment safety checks: validate a 402 answer, prove a server never serves before settlement.
MCP serverGitHub-verified authorLocal · npm
22 days agoApache-2.0
BridgeNode MCP
BridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP, Solana USDC, gas-free.
MCP serverGitHub-verified authorLocal · npm
110 days agoMIT-0
Crypto News Sentiment (x402)
Crypto news sentiment for 24 coins: label, score and headlines behind it, paid per call via x402
MCP serverGitHub-verified authorLocal · PyPI
14 days ago—
io.github.ANAMIZED/x402-cloudflare-starter
USDC micropayments on Base + Solana via x402. BYO wallets. Cloudflare Workers. No Coinbase.
MCP serverGitHub-verified author
12 months agoMIT
io.github.ciinkwia/twitter-signal-mcp
Live X/Twitter search, profiles, leads, pain points, bot checks, AI digests. Paid per call, x402.
MCP serverGitHub-verified authorLocal · npm
139 days agoMIT
io.github.JonasFuchss/x402-trust-mcp
Discover x402 endpoints and check their trust score before your agent pays them.
MCP serverGitHub-verified authorLocal · npm
129 days agoMIT
io.github.kaditang/402sentinel-mcp
DEPRECATED: hosted 402Sentinel retired 2026-10-31. Client for x402 payment-safety checks.
MCP serverGitHub-verified authorLocal · npm
126 days ago—
io.github.maginaryai/maginary-mcp
AI image + video generation for agents: --flag prompt DSL, async generate/poll, x402 pay-per-use.
MCP serverGitHub-verified authorLocal · PyPI
12 months agoMIT
io.github.predgeAI/whale-data-mcp
Signed delivery verdicts for agent payments, Polymarket settlement risk and whale data, via x402.
MCP serverGitHub-verified authorLocal · npm
113 days agoMIT
SRA-RiskGate
Check stablecoin and x402 payments before an AI agent pays: approve, hold or reject.
MCP serverGitHub-verified authorLocal · PyPI
12 days agoApache-2.0
WritersLogic AI Agents (x402)
Pay-per-call AI agents over x402. Settled in USDC on Base with a per-call spending cap.
MCP serverGitHub-verified authorLocal · npm
16 days agoApache-2.0
x402 Triage MCP
MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff.
MCP serverGitHub-verified authorLocal · npm
15 months agoMIT
Agent Failure Archive
186 real AI agent post-mortems, 107 of them measurement failures. Free tools, paid via x402.
MCP serverGitHub-verified authorRemoteDown
02 months ago—
Agent Receipt Verify
Checks x402 endpoint conformance before an agent pays, and links the receipt to its settlement.
MCP serverGitHub-verified authorLocal · MCPB
03 days agoApache-2.0
AgentObserver - Check x402 Dependencies Before Paying
Check Exa, BlockRun, OneSource, Apify and other x402 dependencies before invoking or paying.
MCP serverGitHub-verified authorRemoteDown
———
AgentsToolsHub
156 paid-per-call JSON APIs for AI agents over x402: calculators, live data, crypto, security, dev.
MCP serverGitHub-verified authorRemoteDown
———
Asrai — crypto market analysis (pay per call, x402)
Crypto signals, screeners, TA, outlooks & a long-term plan for 5,000 coins. Pay per call (x402).
MCP serverGitHub-verified authorLocal · npm
———
Autonomy x402 Tools
Pay-per-call agent tools over x402: site audits, llms.txt generation, wallet watch, catalog.
MCP serverGitHub-verified authorRemoteDown
———
Axiom Works AgentReader
x402 USDC APIs: web/PDF/search, UK CH/officer/charity, KYB+sanctions, SEC, VAT, EVM, FX.
MCP serverGitHub-verified authorRemoteDown
———
Blackwood State
Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, x402
MCP serverGitHub-verified authorLocal · npm
———
Blockchain IQ x402 Crypto Data
Pay-per-call crypto market data over x402 (USDC on Base). Free catalog without a wallet.
MCP serverGitHub-verified authorLocal · npm
———
callx402 MCP server
Read-only x402 payment diagnostics: diagnose, evidence, explain, recover, resolve, status. Zero deps
MCP serverGitHub-verified authorLocal · npm
028 days agoMIT
Check x402 Payment Readiness
Call before paying an x402 resource. Returns PAY/BLOCKED. Does not move funds.
MCP serverGitHub-verified authorRemoteDown
———
corpusAI Cloud Pricing
Cloud, GPU and LLM token prices with index fixings. Pay per call over x402 or with a prepaid key.
MCP serverGitHub-verified authorLocal · npm
047 days agoMIT
DexL Agents
Pay-per-call AI gateway: models, speech, web search, on-chain reads and NLP tools, via x402.
MCP serverGitHub-verified authorRemoteDown
057 days agoMIT
dfmi x402 market
Shop the dfmi x402 agent market: find services, get quotes, free dUSD points, capped buying.
MCP serverGitHub-verified authorLocal · npm
020 days agoMIT
EDDIES
Money for people and machines: pay x402 (ex420) 402s, get paid, find paid services, sell compute.
MCP serverGitHub-verified authorLocal · npm
———
EP AgentIAM
AI agent execution safety via x402 micropayments: risk scoring, integrity, memory checks
MCP serverGitHub-verified authorRemoteDown
———
Forge Agent Hub
Pay-per-call APIs via x402 USDC on Base. Hosted MCP: original gateway; stdio: full catalog.
MCP serverGitHub-verified authorRemoteDown
03 days agoMIT
Genesis402 by UnyKorn (x402 pay-per-call)
Counterparty checks, sanctions screening, company lookup and 360+ pay-per-call APIs over x402.
MCP serverGitHub-verified authorLocal · npm
05 days agoMIT
GrindFree Agent Security
Pay-per-call agent security (x402): injection, tools, shell/SQL, memory, leaks, docs, safe web reads
MCP serverGitHub-verified authorLocal · npm
02 days agoMIT
Industrial Platform
x402 MCP with exact and batched payments for recurring wallet, trading, market and web workflows.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform Market Data
Recurring crypto price, candles, order-book and market snapshot data for agents.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform Pretrade
Pre-trade wallet, allowance, gas, price and order-book context for autonomous execution.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform Research
Agent-native current web research with citations, structured QA, and unresolved-fact handling.
MCP serverGitHub-verified authorLocal · npm
024 days agoMIT
Industrial Platform Transaction Watch
Poll EVM transactions until confirmed or reverted with recurring x402 payments.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform Treasury
Recurring crypto treasury snapshots with balances, activity and gas state.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform Wallet Monitor
Recurring wallet, USDC and ERC-20 monitoring for autonomous agents.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform Web Monitor
Recurring webpage change, price, inventory and metadata monitoring for autonomous agents.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Industrial Platform x402 Adoption Search
Search current x402 adoption, integrations, launches and machine-payment activity.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
io.github.0xsims/rubric-mcp
Attested evidence tools for AI agents: sanctions screening, agent/wallet records, paid via x402.
MCP serverGitHub-verified authorLocal · npm
———
io.github.3esign/psychosynth
Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402.
MCP serverGitHub-verified authorLocal · npm
016 days ago—
io.github.6mickswagger9/mytollbooth-calendar-mcp
x402 scheduling API: availability, conflicts, multi-party coordination for AI agents.
MCP serverGitHub-verified authorLocal · npm
———
io.github.acrylicfiddle/x402tools
10 pay-per-call tools for AI agents: QR, screenshots, DNS, OCR, PDF, email & more. USDC on Base.
MCP serverGitHub-verified authorLocal · npm
———
io.github.ag3ntlab-ai/negbit
Buy negbit's curated, provenance-verified knowledge bundles with your own x402 wallet. Read-only.
MCP serverGitHub-verified authorLocal · npm
04 months agoCC-BY-SA-4.0
io.github.ciinkwia/agent-tool-finder
Free search across ~35,000 agent tools (x402 bazaar + MCP registry) by plain-language need.
MCP serverGitHub-verified authorRemoteDown
———
io.github.ciinkwia/prediction-market-signal-mcp
Polymarket + Kalshi odds, movers, gaps, watch, and X sentiment for AI agents. Pay per call via x402.
MCP serverGitHub-verified authorLocal · npm
047 days agoMIT
io.github.dario933/x402-paid-checks
Domain, email, vendor and ransomware checks paid per call in USDC via x402 from your wallet.
MCP serverGitHub-verified authorLocal · npm
———
io.github.dorianfields/x402-cite-check
Verify cited URLs still resolve: reachability, HTTP status and page title. x402-paid.
MCP serverGitHub-verified authorRemoteDown
———
io.github.forgemeshlabs/affiliate-router-mcp
Route x402 payments, Pyrimid affiliate splits, and referral links. Vendor-neutral, adapter-based.
MCP serverGitHub-verified authorLocal · npm
07 days ago—
io.github.forum-labs/payfetch
x402 paying-fetch client for AI agents. Spending caps, approval, receipts. Non-custodial.
MCP serverGitHub-verified authorLocal · npm
04 months agoMIT
io.github.giachi85it-ux/customswise
Practitioner-verified EU customs facts: classification, duty, origin, procedures. x402.
MCP serverGitHub-verified authorRemoteDown
———
io.github.gigsoul/x402-api
AI API for marketing, content and outreach. 22 endpoints. Pay with USDC on Base via x402.
MCP serverGitHub-verified authorRemoteDown
07 months agoApache-2.0
io.github.holistis/capacity-attest
Signed delivery claims for x402 capacity trades: GPU-hours, storage, API credits, bandwidth.
MCP serverGitHub-verified authorLocal · npm
01 day agoMIT
io.github.infiniteezverse/mcp-ezpath
Base DEX meta-router. Races 0x, ParaSwap, Aerodrome & Uniswap V3. Best quote. X402 pay-per-use.
MCP serverGitHub-verified authorLocal · npm
———
io.github.JasonCZMeng/assay
x402 service-quality oracle: check a service's paid-probe quality tier and score before paying it.
MCP serverGitHub-verified authorLocal · npm
024 days agoMIT
io.github.JienWeng/x402-osint
Pay-per-call OSINT for AI agents: username + email recon in USDC on Base via x402.
MCP serverGitHub-verified authorRemoteDown
———
io.github.Kder974/aurifex-mcp
Aurifex x402 macro data MCP server for trading agents and AI frameworks.
MCP serverGitHub-verified authorLocal · PyPI
———
io.github.mapizarro1/foragex402
Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.
MCP serverGitHub-verified authorRemoteDown
04 months ago—
io.github.mercuryx402/mercury-x402-mcp
Agent-payable web data over x402: 18 keyless services an agent pays per call.
MCP serverGitHub-verified authorLocal · npm
05 months agoMIT
io.github.Nikolife2016/pulsefeed-x402
Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.
MCP serverGitHub-verified authorLocal · npm
01 day agoMIT
io.github.opspawn/bazaar-mcp
x402 micropayment-powered developer tools: screenshots, AI analysis, PDFs, code scanning
MCP serverGitHub-verified authorLocal · npm
———
io.github.OrdersOfMagnitudeLLC/mcp-package
MCP server for OOM x402 search 1,000+ pay-per-call API endpoints
MCP serverGitHub-verified authorLocal · npm
———
io.github.scrape402/scrape402
Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.
MCP serverGitHub-verified authorRemoteDown
———
io.github.SEODesignLab/seo-tools
SEO tools via x402: briefs, keywords, SERP, backlinks, audits. $0.50-$3/req USDC on Base.
MCP serverGitHub-verified authorLocal · npm
04 months ago—
io.github.stevemilton/payagent-mcp
Pay x402 APIs in USDC on Base, Solana, and BNB Chain with spend mandates, receipts, idempotency.
MCP serverGitHub-verified authorLocal · npm
030 days agoMIT
io.github.stevemilton/x402-payagent-mcp
Pay x402 APIs in USDC on Base, Solana, and BNB Chain with spend mandates, receipts, idempotency.
MCP serverGitHub-verified authorLocal · npm
030 days agoMIT
io.github.swarm-agent-operator/swarm-x402-mcp
Pay-per-call x402 services: repo scans, web research, site checks, page text. USDC on Base.
MCP serverGitHub-verified authorLocal · npm
015 days agoMIT
io.github.tabulacredit/tabula-mcp
Credit for AI agents: pay x402 sellers from a credit line, repay with one signature and no ETH
MCP serverGitHub-verified authorLocal · npm
———
io.github.TelcharFromNogrod/keen
AI image upscaling — upscale any image to 2x or 4x resolution with x402 payments
MCP serverGitHub-verified authorLocal · npm
———
io.github.tusk80/fastx402
60+ pay-per-call tools for agents (data, dates, QR, crypto, web), paid in USDC via x402.
MCP serverGitHub-verified authorLocal · npm
028 days agoMIT
io.github.verixiaapps/trustdex-x402
Free token-safety scans + paid x402 verdicts, signals, radar & EVM swap quotes for AI agents.
MCP serverGitHub-verified authorRemoteDown
———
io.github.vweatherstation/vweatherstation
Settlement-grade market weather + general current/forecast weather for any location, via x402.
MCP serverGitHub-verified authorLocal · npm
050 days ago—
io.github.white-hat-lab/agent-toolkit
Pay-per-call developer utilities and npm supply-chain security tools for coding agents, over x402.
MCP serverGitHub-verified authorLocal · npm
03 months ago—
io.github.white-hat-lab/safe-upgrade
Evidence-backed npm upgrade preflight and dependency audits for coding agents, paid via x402.
MCP serverGitHub-verified authorLocal · npm
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io.github.xpex-systems-ai/xpex-plugin-factory
MCP plugin factory and x402 Agent Kit API for external agents, at 0.01 USDC per call.
MCP serverGitHub-verified authorRemoteDown
035 days ago—
io.github.yunaremaia/x402-crypto-mcp
Crypto market data via x402: prices, convert, indicators, yields, gas, tx status, balances, ENS.
MCP serverGitHub-verified authorLocal · npm
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Kaal Agent Safety (x402 paid MCP)
Paid MCP tools for URL payment-safety scanning and provider recommendations; USDC on Base via x402.
MCP serverGitHub-verified authorRemoteDown
018 days ago—
KEVAREMESH Free Agent API Gateway
Free agent API shopping: verified x402 offers, licensed API routing, and instant source-only drafts.
MCP serverGitHub-verified authorRemoteDown
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Lumi Trades: x402 seller checks and test-buys
Free signed allow/warn/block before paying x402 sellers; test-buys on XRPL, Base and Stellar
MCP serverGitHub-verified authorLocal · npm
01 day agoMIT
Lumi Verdict: check an x402 seller before paying
One signed label before paying an x402 seller, from Lumi's test-buys on XRPL, Base and Stellar
MCP serverGitHub-verified authorLocal · npm
01 day agoMIT
Market Data (x402)
Paid-per-call data for agents: trading calendars, futures, macro, LEI, VAT, risk events (x402)
MCP serverGitHub-verified authorLocal · PyPI
013 days agoMIT
ncrypted
One-time, end-to-end encrypted secrets for agents. 0.005 USDC per secret via x402.
MCP serverGitHub-verified authorLocal · npm
018 days agoMIT
PayPerScreen
Sanctions, crypto wallet, email and IP screening for agents. Pay per check in USDC via x402.
MCP serverGitHub-verified authorLocal · npm
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PDF Text Extractor for AI Agents
x402 PDF text, pages, and metadata for AI/RAG. $0.0015 per successful PDF.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
Penny Search
Low-cost live web search for current facts, news, research, docs, and web grounding via x402.
MCP serverGitHub-verified authorRemoteDown
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Preflight Checks (x402)
Deterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base
MCP serverGitHub-verified authorLocal · npm
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ScoutScore
Trust scoring for AI agents. Check scores, fidelity, and flags for x402 services.
MCP serverGitHub-verified authorLocal · npm
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SourcePilot Research
Pay-per-call web research with citations for AI agents, billed in USDC on Base via x402.
MCP serverGitHub-verified author
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Tabularium
Agent memory and a signed spending ledger: pay any x402 API, keep a provable receipt.
MCP serverGitHub-verified authorLocal · npm
01 day ago—
Varyntiq
Pre-payment checks for AI agents: x402 quotes, untrusted prompts and audit receipts.
MCP serverGitHub-verified authorRemoteDown
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Verify China Supplier | Supplier Check
Verify a Chinese supplier before you pay: company identity, status, risk signals. x402 per call.
MCP serverGitHub-verified authorRemoteDown
02 months ago—
VulnFeed
Dependency vulnerability scanner with EPSS scoring. 9 MCP tools. Free tier + x402.
MCP serverGitHub-verified authorLocal · PyPI
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Wealth Agent
x402 pay-per-call tools for AI agents: code review, data clean, briefs, regex, diff, URL meta.
MCP serverGitHub-verified authorRemoteDown
022 days agoMIT
Website Change Monitor & Deterministic Diff
Deterministic webpage change detection, hashes and text diffs for recurring monitoring via x402 MCP.
MCP serverGitHub-verified authorRemoteDown
024 days agoMIT
x402 Facilitator Proxy
Multi-tenant HTTP 402 infrastructure gateway and stdio MCP server for machine payments.
MCP serverGitHub-verified authorLocal · npm
03 months ago—
x402 government-data search
Search five paid x402 government-data APIs (IRS, FDA, SSA, HCAD); full records paid over x402.
MCP serverGitHub-verified authorLocal · npm
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x402 Router
Search 20k+ live, probed x402 pay-per-call endpoints and route to the best-scored one.
MCP serverGitHub-verified authorLocal · Docker
014 days agoMIT
x402 Seller
Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.
MCP serverGitHub-verified authorLocal · npm
04 days ago—
x402-escrow-mcp
x402 paid API for AI agents. USDC on Base. CDP facilitator.
MCP serverGitHub-verified authorLocal · npm
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x402-image-mcp
x402 paid API for AI agents. USDC on Base. CDP facilitator.
MCP serverGitHub-verified authorLocal · npm
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x402-risk-mcp
x402 paid API for AI agents. USDC on Base. CDP facilitator.
MCP serverGitHub-verified authorLocal · npm
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x402-scan-audit
x402 paid API for AI agents. USDC on Base. CDP facilitator.
MCP serverGitHub-verified authorLocal · npm
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x402-scan-mcp
x402 paid API for AI agents. USDC on Base. CDP facilitator.
MCP serverGitHub-verified authorLocal · npm
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