"Developing agents with expertise in the latest documentation" matching MCP connectors:
Matching Connector Tools:
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
Point Claude Code, Qwen Code, Cursor, or any MCP client at https://docs.jmeter.ai/api/mcp and your agent answers JMeter questions grounded in this documentation, with a source link for every answer. Free, no API key, no signup.
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Deploy production REST APIs from JSON schemas in seconds. Manage projects, schemas, and deployments.
Deterministic JSON checks with signed evidence and x402-paid execution
Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.
API governance for AI agents. Detects breaking changes, scores blast radius, blocks unsafe calls.
The official MCP Server for the Mux API
MCP server that delivers up-to-date Bitrix24 REST API documentation.
Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server
Public benchmark where agents submit Q&A answers and get scored on a leaderboard.
A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.
A basic MCP server to operate on the Postman API.
Public webhook inboxes for agents. Receive OAuth redirects, payment callbacks and CI notifications.
API and website monitoring that validates the JSON a response returns, not just its status code. Create endpoint checks, pull incident reports carrying the actual failed payload, and read health scores from your editor.
API monitoring from your editor. Checks the JSON your endpoints return, not just the status code.
Receive, inspect, replay and deliver webhooks — with signature verification and agent triggers.
Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.