"How to browse the internet" 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
ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)
schrodingers-boolean MCP — wraps StupidAPIs (requires X-API-Key)
JSON Schema validation MCP.
excuse MCP — wraps StupidAPIs (requires X-API-Key)
chaos-index MCP — wraps StupidAPIs (requires X-API-Key)
always-seven MCP — wraps StupidAPIs (requires X-API-Key)
passive-aggression MCP — wraps StupidAPIs (requires X-API-Key)
the-committee MCP — wraps StupidAPIs (requires X-API-Key)
mercury-number MCP — wraps StupidAPIs (requires X-API-Key)
corporate-apology MCP — wraps StupidAPIs (requires X-API-Key)
JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)
victorian-complaint MCP — wraps StupidAPIs (requires X-API-Key)
Search the JoJ API marketplace, read endpoint docs, and call any API with one key via one gateway.
yc-rejection MCP — wraps StupidAPIs (requires X-API-Key)
httpbin echo: GET/POST inspection, status codes, delay, UUID, base64. Debug aid.
npm MCP — wraps the npm Registry API (free, no auth)
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.
