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Categories › Business & Finance › Payments & billing

Agent Paywire library

MCP serverVerified domain · agentpaywire.comRemote● LiveFree to try

Library (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.

Install

Remote server: your requests and data go to mcp.agentpaywire.com. Claude Code: claude mcp add --transport http agent-paywire-library https://mcp.agentpaywire.com/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

  • search_sources — Find third-party library source cards. This is the only library lookup: text, exact filters, and newest-first browsing. Output is { count, s
  • get_source — Fetch one third-party library source card by id. Output is one object: id, title, publisher, authors, date_published (YYYY-MM-DD or null), u
  • list_categories — Return the closed list of eight library categories and nothing else. Output is { categories: [{ id, label, featured, count, json_url, markdo
  • list_articles — List all of this site's own published articles in one unpaged response. Output is { articles: [{ slug, title, summary, date, status, tags, u
  • get_article — Return one of this site's own articles. Output is { slug, markdown }. markdown is the article file with YAML front matter, and the same text
  • list_changes — For payment dependencies, GET https://api.agentpaywire.com/v1/changes/sample first. That free sample returns at most 3 cited library cards a
  • get_protocol_facts — Return source-cited facts for agent payment protocols: spec URL, HTTP status codes and headers, payment rail, networks, facilitators, client
  • get_sdk_security — Return /api/sdk-security.json. Output is the SDK security document: schema_version, generated_at, disclaimer, description, count, and entrie
  • get_support_info — Return the whole voluntary support document from /support.json. Output fields: voluntary (true), purpose, data_is_free (true), access_condit
  • get_trust_checklist — Return the whole /trust.json agent trust checklist for agentpaywire.com. Output includes title, description, free_data, items, count (items.
  • list_datasets — List every training and evaluation dataset card in one unpaged response. Output is the /datasets/index.json document: count, model_note, pol
  • get_dataset — Return one dataset card from /datasets/<id>/card.json. Output is one object: id, name, publisher, url, license (string or null), license_ver
  • list_bots — Return the whole /bots.json catalog of public agents and bots that pay, get paid, or connect a wallet. Output is { schema_version, generated
  • get_bot — Return one entry from the bot catalog by exact id. Output is that entry alone, not wrapped in entries or count: id, name, maker, description
  • request_missing_data — Report data you expected and did not find. Free, no auth. looking_for is required and at most 500 characters. Optional: use_case (at most 50
  • submit_review — Publish a review of a paid Agent Paywire route. Free, no auth. rating is required, an integer from 1 to 5. route is the paid path you called
  • get_reviews — Return the public review feed. Free, no auth. Output includes aggregate.count, aggregate.mean, aggregate.weighted_mean (one vote per payer),
  • check_payment_endpoint — Check a public http(s) URL for an L402, x402, or MPP challenge and for agent discovery files. Two free reports per client per 24 hours, usin
  • get_verification_status — Read one paid provider verification by id. Free, no auth. The id comes from POST https://api.agentpaywire.com/v1/verify. An unknown id retur
  • create_alert — Return payment info for a 30-day signed webhook. 2000 sats or 2.00 USD. This tool does not create the subscription. Pay POST https://api.age
  • list_alert_topics — List webhook topics and the source URL each one watches. Free, no auth. Takes no parameters. Topics are sdk-security, lightning-releases, li
  • quote_credit_packs — Quote prepaid call packs. This tool does not buy a pack and does not create a payment. POST https://api.agentpaywire.com/v1/credits with cal
  • hash_text — Hash UTF-8 text. algorithm is sha256, sha512, keccak256, or blake3. Paid: 0.001 USDC, 1 sat, or 1 eighth of a prepaid credit. POST https://a
  • encode_data — Encode UTF-8 text as base64, base64url, hex, or url. Paid like hash_text. POST https://api.agentpaywire.com/v1/tools/encode.
  • decode_data — Decode base64, base64url, hex, or url text. Paid like hash_text. POST https://api.agentpaywire.com/v1/tools/decode.
  • validate_data — kind is json, json_schema, evm_address, btc_address, email, url, or iban. json uses text. json_schema uses value and schema. The schema subs
  • convert_units — Convert inside wei/gwei/eth, sats/btc, usdc_atomic/usdc, or unix/iso. amount is a decimal string. Paid like hash_text. POST https://api.agen
  • new_id — kind is uuid or ulid. Paid like hash_text. POST https://api.agentpaywire.com/v1/tools/id.
  • calculate — expression uses numbers, parentheses, and + - * / %. Paid like hash_text. POST https://api.agentpaywire.com/v1/tools/calc.
  • fetch_markdown — Fetch one public http(s) URL and return markdown. 0.003 USDC, 3 sats, or 3 eighths of a prepaid credit. The worker respects robots.txt, iden

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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