"Using MySQL Database with Cursor Functionality" 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

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

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

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).

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

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.

Load & browser performance testing — drive MaxoPerf from your AI agent with your API key.

Hosted MCP endpoint with realistic fake data for prototyping agents. 12 tools, no setup.

Create content and test it on a real audience — neuroflash Digital Twins inside Claude & Cursor.

Generates unit tests for Python code with coverage before/after reports and concrete edge cases.

Manage test suites, run tests, view results, and automate QA workflows via AI with testRigor.

Playwright selector risk checks with healing suggestions and receipts.