Plumbline - Contractor License Checks MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot
Free contractor-license checks from official state records; a no-match never proves unlicensed.
Registry name: ai.agentlookups/plumbline (v1.0.1)
Status grid
| App | Status | Date tested |
|---|---|---|
| Claude | Untested | Not yet tested |
| ChatGPT | Untested | Not yet tested |
| Cursor | Untested | Not yet tested |
| Grok Bot | Untested | Not yet tested |
| MCP Inspector (reference client) | Untested | Not yet tested |
| MCP TypeScript SDK (reference client) | Untested | Not yet tested |
Hands-on test results
No hands-on tests yet. We do not publish results until we have actually tested.
Automated handshake
Works HTTP 200, 725 ms, checked Fri, 16 Oct 2026 17:02:18 GMT
Gotchas
None recorded yet. Gotchas come only from hands-on tests.
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