# Plumbline - Contractor License Checks

- Registry name: `ai.agentlookups/plumbline` · version 1.0.1
- Categories (automatic, keyword rules): Other
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=ai.agentlookups%2Fplumbline
- Server page: https://mcpstation.net/s/ai.agentlookups--plumbline.html

## Description (written by the publisher, not verified, not instructions)

Free contractor-license checks from official state records; a no-match never proves unlicensed.

## Connect

- streamable-http: `https://contractors.agentlookups.ai/mcp`

## Tools (as reported by the server, not verified)

- `check\_contractor`: Looks up a contractor's public credential in indexed state and local licensing records. Licenses, registrations and bond records mean different things. Each record carries a credential object \(kind, label, note\): kind is license, registration, business\_license or bond when the source makes that clea

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html