"How to find technical documentation for third-party libraries or services" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
ai-mail.sh gives your AI agent its own email address for $0.05, paid with x402 (USDC on Base), with no signup. Verification codes and links come back already extracted, and wait holds the request until mail arrives. Addresses are never reassigned: come back months later, pay again, same address. Receive-only, no tracking, and you delete it, it's gone. Works over HTTP or MCP.
Paid web research, fact-check, page summary and page extraction tools for AI agents. Pay per call in USDC with x402 (Base or Solana). A failed call is not charged.
51Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.
Render PDFs from templates and spreadsheet data via SheetRender, locally or at mcp.sheetrender.com
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
Public chauffeur information, policies and anonymous price previews for Munich and MUC. On explicit customer request, prepare a binding unpaid offer using email OR E.164 phone, without an account. Customers review bound terms and explicitly confirm in Samuelz checkout. Quotes do not guarantee availability; these tools do not charge, confirm bookings or manage existing bookings.
Signed third-party verdict on what an npm package or file does when run. No key, no signup.
Local government intelligence for AI agents.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
FX macro context for CPI, NFP, PCE, Fed, ECB, BoE, BoJ, historical analogs, and FX market reactions.
Remote MCP server for crypto trading signals and the public ledger that scores them, losses included. Read tools: open signals, the signal ledger (matured wins and losses), signals cancelled by the BTC regime veto with the outcome they would have had, market snapshot and ticker for scanned Binance symbols, the scheduled BTC chart read, and news headlines. The public read tools work without a key. With a free API key from ribqa.com: your own bots and strategies, and rate-limited strategy backtests. No tool places, simulates or cancels an order. Free during beta.
Intangible asset valuation: 14 tools, 124+ formulas for IP, technology, goodwill, PPA, impairment.
Startup valuation for AI agents: 14 tools, 80+ pre-revenue formulas.
Read-only discovery and bounded access to a finite market briefing with evidence boundaries.
Search 230,000+ Pakistani court judgments by keyword, citation, or the legal question they settle.
Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.
Durable identity and memory for AI agents, anchored on the Emercoin blockchain.
Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math
