whoislicensed — state license lookup
https://whoislicensed.com/mcp ↗
Description
Verify a contractor, real estate or cosmetology license in 12 US states from the boards' own files.
What our measurements say
whoislicensed — state license lookup is a remote MCP server published at whoislicensed.com. It has been probed 8 times since 9/12/2026. It answered in 8 of them (100.0%), a near-uninterrupted record. Median response time is 316 ms, placing it among the faster endpoints. It offers a narrow, focused set of 2 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names clearly indicate their purpose (verify_license, list_license_types).
- Parameters are well-defined with required/optional status and types.
Weaknesses
- Description for verify_license is cut off mid-sentence ('Covers 12 '), creating ambiguity.
- No explicit error handling or constraint documentation in tool descriptions.
- The truncated description may mislead agents about the tool's scope.
verify_license— Description truncated at 'Covers 12 '—missing critical info about supported states.list_license_types— No mention of limitations (e.g., rate limits, data freshness) in the description.
Verdict
Event narrative
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Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 43ms → warm 39ms (penalty 4ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
verify_licenseLook up a contractor, tradesperson, real estate, cosmetology or nursing license in a US state's own published license file by name, business name or license number. Returns up to 25 matching records with type, number, expiration date and status, the issuing board and the date of the copy. Covers 12 states: TX, CA, FL, VA, WA, OR, MN, IL, CT, CO, VT, DE. Always tell the user to confirm on the board's own lookup before hiring.
statestringrequiredquerystringrequiredlicense_typestring
list_license_typesWhich states and license types whoislicensed.com carries, with what each license covers and the page URL. Use it to pick a state and an optional license_type for verify_license.
statestring
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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