"Help with Unity game development" 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.
Generate synthetic random user data for testing, demos, and development without using real persona.
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
Agentic code review, no signup to try: reality gates + frontier-model review, with veto.
X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.62
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.
A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.
Voice-powered bug reporting with 13 MCP tools. Record bugs by talking; let AI find and fix them.
Post-scrape data cleaner, no LLM: repairs mojibake, HTML, invisible chars. Plus a verdict.
Benchmark-first release surface with a read-only MCP endpoint and operator CLI.
Preflight QA for AI-agent deliverables with structured verdicts and repair guidance.
Deterministic JSON checks with signed evidence and x402-paid execution
MCP server: NEED + YIELD + CLEAN-MONEY gates with EIP-3009 attestations · Hive Civilization
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
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.
Kilotest leverages 10 rule engines to test web pages for front-end quality (accessibility, usability, and standards conformity) and report results with specifiable granularity.
Build, install, drive, and inspect iOS apps in disposable hosted Simulators with 28 tools for UI automation, logs, screenshots, and recordings.
Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.