"A search for Facebook" 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.
Verify before your agent acts on data it paid for. Signed verdicts, checkable offline, via x402.
Accessibility and WCAG data for your own websites: fix lists, live checks, and fix validation.
Generate synthetic random user data for testing, demos, and development without using real persona.
Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.
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).
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
Scan GitHub-hosted AI skills for vulnerabilities: prompt injection, malware, OWASP LLM Top 10.
Hire a real human for real-world verification, product testing, AI output review, and errands.
Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.
MERCATOR Verify: evidence-backed verification and decision support for autonomous agents.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Ensemble testing of web pages for accessibility, usability, and standards conformity
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
A skeptical senior-engineer code reviewer over MCP: risk-scans unified diffs, flags AI-generated-code tells, reports complexity hotspots, scans for leaked secrets, and runs an OWASP security pass — real analyzers, no external APIs. Free tier, no signup.
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.
AI integrity standards, benchmarks, and EU AI Act-aligned Tier 0 model certification