"A search engine that searches multiple other search engines" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
UI Verify is visual regression testing built for coding agents. Connect the MCP server and your agent (Claude Code, Cursor, Codex) pulls a pull request's UI changes into the conversation, views each visual diff, reads the AI judge's verdict of regression vs intended change, and accepts the intended baselines - all over MCP.
Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
Test a Python package/version on a target runtime. Scoped Linux install and usable-import evidence.
Checks the structural integrity of translated resource dictionaries against a source dictionary y...
Probe a signup URL you own and score whether an AI agent can sign up unaided.
Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.
MCP server for visual regression testing: triage a PR's UI diffs from your coding agent.
Deterministic acceptance report for a supplied product catalog: validates price/currency/availabi...
Simulate a CSV import against a supplied typed column contract and return exact accepted rows, re...
Check what a paid x402 endpoint or MCP server delivered, from probes anyone can repeat.
Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).
Webhook capture bins for agents: get a URL, wait for webhooks, set replies, verify signatures.
Class Q Checker: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not a...
Smoke Control Checker: the site's own MCP server — checker, enquiry (enquiry = a human handoff,...
Hire a real human for real-world verification, product testing, AI output review, and errands.
Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.
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.