"Minecraft servers with cursor replacement 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

Control real Android and iOS devices with LLM agents — tap, swipe, type, automate flows.

AI dev tools + image generation, paid per-use with USDC on Base (x402).

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.

Trust, freshness, policy, and discovery layer for public MCP servers.

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.