com.contractorroster/contractorroster
https://contractorroster.com/api/mcp ↗
Description
Verified US licensed-contractor data: 879k+ state-board records, metered per record, free discovery.
What our measurements say
com.contractorroster/contractorroster is a remote MCP server published at contractorroster.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 518 ms, a delay an agent will notice. It offers a narrow, focused set of 5 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 are descriptive and action-oriented (e.g., 'count_contractors' vs 'search_contractors')
- Parameters include required/optional flags and explicit types
- Error handling documented in 'search_contractors' (balance shortfall info)
Weaknesses
- Geo_type/geo_value parameters lack examples or enum definitions
- Count_contractors and search_contractors share identical parameter sets, risking tool selection confusion
- Some descriptions include implementation details (e.g., 'charges partner balance') rather than use cases
count_contractors— geo_type/geo_value parameters lack value examplessearch_contractors— geo_type/geo_value parameters lack value exampleslist_states— 'per-trade availability' description could clarify trade code references
Verdict
Event narrative
Sign up free to generateSchema 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 124ms → warm 124ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
list_statesList supported US states with their available geo types and per-trade availability. Free; no auth required.
list_tradesList supported trade codes with display names. Free; no auth required.
count_contractorsCount contractors matching a state × trade × geo query, without charging. Use to qualify a query before calling search_contractors. Returns total count and estimated cost in cents at the caller's price tier.
statestringrequiredtradestringrequiredgeo_typestringrequiredgeo_valuestringrequiredactive_onlyboolean
search_contractorsFetch enriched contractor records for a state × trade × geo query. Charges the partner balance at price_per_record_cents × records_delivered. Set dry_run:true for a free cost preview. Returns structured shortfall info on insufficient balance so the agent can prompt the user to top up.
statestringrequiredtradestringrequiredgeo_typestringrequiredgeo_valuestringrequiredactive_onlybooleandry_runbooleanlimitinteger
get_usageReturn the partner's current balance, pricing, and the 20 most recent transactions (top-ups + api calls). No charge.
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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