"A server for identifying bugs in the terminal related to cursor issues" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Independent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
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
Guide developers from setup through a verified, policy-aware, audited Alter API call.
Discover, pay for, execute, and publish APIs through Apiosk.
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.
SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
Deploy production REST APIs from JSON schemas in seconds. Manage projects, schemas, and deployments.
Read-only ArcadeOps discovery for developer docs, OAuth, OpenAPI and synthetic sandbox.
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.
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.
Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
npm MCP — wraps the npm Registry API (free, no auth)
Verify x402 endpoints before payment or publish service profiles for agent discovery.
Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.