17 tools that work with USDC: 17 MCP servers, 0 Agent Skills and 0 Claude Code plugins. 4 of the remote servers answered our live check, 1 worked without an API key, and 8 come from an official or verified publisher. Ranked by GitHub stars plus official, live and free-to-try signals.
Most common uses: Payments & billing (10), Web search engines & search APIs (3), Multi-agent, orchestration & workflows (2), E-commerce & marketplaces (1).
| Tool | Stars | Last update | License | |
|---|---|---|---|---|
| RailFi Payout Plans Free, non-custodial tools to validate bounded USDC/USDT payout plans and reconcile payouts. MCP serverVerified domain · railfi.xyzRemote● Live | 0 | — | ||
| SingIt x402 Chat, web search, page reading and market data; owner-set daily and per-request key limits (USDC). MCP serverVerified domain · singitai.appRemote● LiveAPI key needed | 0 | MIT | ||
| Wever Labs Agentic Rails 482 main tools, 466 production tools for agents; Base USDC x402 and shared free tier. MCP serverVerified domain · weverlabs.comRemote● LivePaid calls | — | — | ||
| FiatDock MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out MCP serverVerified domain · fiatdock.comLocal · npm | 1 | MIT | ||
| Agent Arena Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free. MCP serverVerified domain · agentarena.lolLocal · npm | — | — | ||
| Agent World Search, URL-to-markdown, change detection, live data, x402 trust tools. USDC pay-per-call. MCP serverVerified domain · agents.hotschmoe.comRemoteDown | — | — | ||
| Cleared USDC invoicing on Base: send invoices, share pay links, track payments and customers. MCP serverVerified domain · clearedpay.xyzRemoteSign-in needed | — | — | ||
| Pooly Shared USDC wallets for agents and teams, with optional write access and human-signed payments. MCP serverVerified domain · pooly.orgRemoteSign-in needed | — | — | ||
| Tracepay Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed. MCP serverGitHub-verified authorRemote● LiveFree to try | — | — | ||
| ArcBounty Put an AI agent to work for USDC, or let it hire: take and post on-chain bounties, get paid. MCP serverGitHub-verified authorLocal · npm | 2 | MIT | ||
| Aletheia Certified Compute Certified program synthesis. Pay per call in USDC via x402; refusals never billed. MCP serverGitHub-verified authorRemoteDown | — | — | ||
| Beggar Bot x402 utilities on Base: USDC payment verification, risk scores, signed receipts ($0.01 USDC/call). MCP serverGitHub-verified authorLocal · MCPB | 0 | MIT | ||
| io.github.alipishbin77/aether Marketplace where AI agents hire other agents, paid per call in USDC. Plus LLM inference. MCP serverGitHub-verified authorRemoteDown | 0 | — | ||
| io.github.dingdawg/agent-wallet Governed USDC wallet for AI agents — policy gates, spending caps, and Ed25519-signed receipts. MCP serverGitHub-verified authorLocal · npm | 0 | — | ||
| io.github.meltingpixelsai/relayzero Agent economy on Solana — USDC via x402. Ships a BuyerAgent SDK + relayzero pay CLI. MCP serverGitHub-verified authorLocal · npm | — | — | ||
| io.github.Neji402/engedi 93 tools: finance, weather, news, travel, knowledge, SEO. 27 free + 66 paid via USDC x402. MCP serverGitHub-verified authorLocal · npm | 0 | MIT | ||
| PetaSats Buy BSV with USDC on Base through a local non-custodial MCP server. MCP serverGitHub-verified authorLocal · npm | 0 | — |