"The Guardian" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Diagnose why an AI agent failed and get the verified fix instantly. Free, no token.
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.
Give AI assistants the context behind client website feedback. Read comments, screenshots, replies, element details, and developer briefs; organize priorities, update statuses, and export feedback from authorized projects. Coding agents with repository access can investigate issues and prepare fixes for review. Connect through Streamable HTTP and browser OAuth using a Simple Commenter account.
Author and validate Calaf workspace seeds against the app's real importer. No account needed.
Runs your code against a contract; HELD or BROKE at the exact input. Deterministic. 0.10 USDC/call.
What is known to be broken in an MCP server or API operation, with the check that found it.
Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.
Your agent built the page. Simulated buyers test it, and Mimiq calls which version to ship.
The world's first named AI prompt quality score. Score, optimize, and compare LLM prompts before they hit any model. Free tier available. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks. x402-native on Base.
A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.
Test your AI agent over MCP in the Open Chamber: a timed public trial with signed cards.
Checks the structural integrity of translated resource dictionaries against a source dictionary y...
Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.
Defectbird: the site's own MCP server — dataset; every answer cites the site.
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,...
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
Deterministic recipe verification engine — validates AI-generated recipes against master SOPs.
PQS scores any prompt before the model runs. 8 dimensions. 5 frameworks. Pre-flight, not post-hoc.
Read-only MCP server for the OPERANT AI operating-agent calibration benchmark.
