"Integrating Claude code with Qwen or Gemini CLI tools for quality assurance" 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
Any API, four tools: discover, call with routing and signed receipts, verify, dispute.
Test HTTP 429/503 retries and Retry-After with server-observed traces; share synthetic findings.
Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
Discover, pay for, execute, and publish APIs through Apiosk.
Mock REST APIs + uptime monitors, heartbeats, status alerts for agents: seed, import, query, write.
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
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.
Your DRF API as MCP tools — 1,800 endpoints become 16 dispatchers, permissioned by Django.
Read-only ArcadeOps discovery for developer docs, OAuth, OpenAPI and synthetic sandbox.
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.
Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).