"Logs of user or system queries" matching MCP connectors:

Generate synthetic random user data for testing, demos, and development without using real persona.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Score any URL against a real design contract — 40 checks, A-F grade, token + motion validation.

Estimated game fps for any GPU or Apple Silicon chip, with the limiter and tweaks.

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

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

Runs your code against a contract; returns HELD or BROKE at the exact input. Deterministic.

Machine-readable taxonomy of 100+ AI system failure modes spanning factuality, alignment, planning, code generation, and instruction following.

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes

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

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

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

MCP server for static security analysis of Android source code

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

Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.

Browser-backed QA with evidence and fix-ready reports for coding agents.

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

Validates cron expressions and finds DST bugs that make jobs silently skip or double-fire.

Audits MCP tool definitions for patterns that make models call tools wrong or mis-fill args.

WCAG-Compliance/wcagc-mcp lets an assistant run real axe-core accessibility scans through the user's own wcagc account, rather than guessing accessibility from markup it can see. Tools cover a single URL or PDF, a full-site crawl, saved multi-step journeys, and violation trends.