"How to integrate with Azure DevOps" matching MCP connectors:

Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.

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

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.

Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.

Voice-powered bug reporting with 13 MCP tools. Record bugs by talking; let AI find and fix them.

A flock of AI users tests your deployed app and reports where real people get stuck, with fixes.

MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.

MCP server: NEED + YIELD + CLEAN-MONEY gates with EIP-3009 attestations · Hive Civilization

Validate up to 75,000 URLs per job (status, redirects, response times). OAuth 2.1.

Benchmark-first release surface with a read-only MCP endpoint and operator CLI.

End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.

Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links. 34 tools; bearer auth with an mfx_ API key (free tier).

MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.

295k+ bug-fix patterns with MCP Hub proxy, PII filtering, and code search

MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.

AI dev services paid per-use with USDC on Base (x402): code review, bug fix, tests, docs, audit.

AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf.

Katalon True Platform MCP: design tests, run with AI, upload reports, assess release readiness.