"Tor Project" matching MCP connectors:

Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.

Hire a real human for real-world verification, product testing, AI output review, and errands.

130+ QA & dev tools for AI agents: prompt injection, RAG testing, VLM eval, guardrails. Free.

Fact-checks generated content against your sources of truth showing what to trust, change, & verify.

Disposable test mailboxes on a real domain: send, receive and assert on real email.