"vercel" matching MCP connectors:

Whether a registry MCP server works for a stock client, and what changed in its tools. Free, no key.

Stablecoin reserve attestations as JSON: reserves, composition, attestor, on-chain supply, ratio.

Probe a signup URL you own and score whether an AI agent can sign up unaided.

Free spend report from an agent log, no key. Hosted proxies: caps, audit export, buy calls.

Real estate deal memo from a US address: AVM, rent, comps, cap rate, cash-on-cash, DSCR, red flags.

Whether an AI agent may fetch a URL, on what terms, and at what price. Free, no key, no signup.

Synthetic checks, nightly regression replay and model-drift alerts for AI agents

Security scanner for n8n workflows: 18 rules, OWASP Agentic mapped. Free MCP, paid x402 API.

Public-site SEO/AEO readiness scans with evidence scores, issues, and clear measurement scope.