"How to make a model aware of the current time before thinking" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching 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
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
Guide developers from setup through a verified, policy-aware, audited Alter API call.
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
Turn any task into the right API calls: discover, evaluate, and integrate public APIs.
the-committee MCP — wraps StupidAPIs (requires X-API-Key)
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.
npm MCP — wraps the npm Registry API (free, no auth)
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
Ephemeral mailboxes and a mock OAuth IdP for testing email and auth flows — 39 API-driven tools covering mailboxes, mails, attachments, domains, teams, and mock identities.
Verify x402 endpoints before payment or publish service profiles for agent discovery.
The official MCP Server for the Mux API
End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.
MCP server that delivers up-to-date Bitrix24 REST API documentation.
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
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.
Search millions of x402 APIs for data, finance, validation, security, inventory, sync and automation
MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.
