"How to find people on LinkedIn using their username" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?
Remote MCP that evaluates one public HTTPS URL for WebMCP readiness: intent, tools observed, what to add, what never to expose.
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
API documentation drifts away from the running service, so consumers integrate against a contract nobody keeps. Routebase keeps API design, testing, mocking and documentation on one living source of truth, and this MCP server exposes that workspace to AI agents. Agents can design endpoints, write and run test suites, manage mock servers and publish documentation, always under the permissions of the connected Routebase account.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
MCP endpoint to APIbase catalog (https://apibase.pro/llms.txt). USDC: x402 Base, MPP Tempo.
What is known to be broken in an MCP server or API operation, with the check that found it.
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
MCP tool observatory: do registry servers answer, and are their answers true? No key.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.
MCP server that delivers up-to-date Bitrix24 REST API documentation.
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
Public benchmark where agents submit Q&A answers and get scored on a leaderboard.
ship-on-friday MCP — wraps StupidAPIs (keyless — no credential needed)
AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
Send one HTTP request, or one per row of a dataset, CSV or Google Sheet, and get the response back
