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Verify US contractor license + surety bond + insurance from official state data. WA live, CA beta.
About
Verify US contractor license + surety bond + insurance from official state data. WA live, CA beta.
Security Report
This is a well-structured MCP server for contractor license verification with proper input validation, error handling, and appropriate use of third-party APIs. The codebase is clean and focused on its purpose. Permissions match the stated functionality (network access to WA L&I and CSLB, environment variable usage for Apify). Minor code quality observations exist but do not raise security concerns. Supply chain analysis found 1 known vulnerability in dependencies (0 critical, 1 high severity). Package verification found 1 issue.
7 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-lmaniraruta-license-verify-mcp": {
"args": [
"-y",
"license-verify-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Contractor License + Bond + Insurance Verify (MCP, agent-payable)
The only MCP-native license check that returns official SURETY BOND + INSURANCE from state data — not just active/inactive status. Pay-per-success: $0.03 full result, $0.01 status-only, FREE on a miss. WA live (official L&I), CA beta (CSLB).
Tools: verify_license, list_supported_jurisdictions.
Quickstart
// Call
{ "tool": "verify_license", "jurisdiction": "WA", "license_number": "ECOSTSC758NN" }
// Response (abridged)
{
"found": true,
"result": {
"status": "active",
"bonded": { "is_bonded": true, "details": "Surety: NORTH RIVER INSURANCE COMPANY THE; Amount: $30,000" },
"insured": { "has_insurance": true, "details": "Carrier: State National Ins Co Inc; Coverage: $1,000,000" }
}
}
| Result | Price |
|---|---|
| Full (status + bond + insurance) | $0.03 |
Status-only (no bond/insurance match, or statusOnly: true) | $0.01 |
Miss (found: false) | FREE |
Jurisdictions
| State | Status | Source | Bond + Insurance |
|---|---|---|---|
| WA | ✅ Live | WA L&I open data (data.wa.gov) | ✅ Real data (bzff-4fmt + ciwg-agsx datasets) |
| CA | ⚠️ Beta | CSLB HTML (cslb.ca.gov) | ✅ Parsed when CSLB is up |
Washington is the reliable, production-ready jurisdiction. Official WA L&I open data is served via Socrata JSON — no scraping, no rate limits, bond and insurance data included from dedicated datasets.
California is beta. CSLB does not publish an open API; the provider fetches the HTML detail page directly. CSLB rate-limits or 503s automated requests intermittently. When unavailable, verify_license returns a clean SESSION_ERROR — you are never charged on source failures. Do not rely on CA for production workflows until a stable server-side CSLB run is confirmed.
Apify Actor
Agentic-payments eligible — pay-per-event pricing + limited permissions + no Standby mode.
Pricing
| Event | Price |
|---|---|
license-verification | $0.03 — full result (status + bond + insurance) |
status-only-result | $0.01 — status found, no bond/insurance match (or statusOnly: true) |
Charged only on found: true. Validation errors, not-found results, and source failures are not charged.
Input
{
"jurisdiction": "WA",
"license_number": "ECOSTSC758NN"
}
| Field | Type | Required | Notes |
|---|---|---|---|
jurisdiction | "WA" | "CA" | ✅ | WA = live; CA = beta |
license_number | string | one of ↓ | WA: alphanumeric. CA: numeric, ≤8 digits |
business_name | string | one of ↑ | WA only. Partial match, may return matches[] |
Output (default dataset)
{
"found": true,
"jurisdiction": "WA",
"query": { "license_number": "ECOSTSC758NN" },
"result": {
"license_number": "ECOSTSC758NN",
"business_name": "!ECO STAR C G CONSTRUCTION LLC",
"status": "active",
"license_type": "CONSTRUCTION CONTRACTOR",
"bonded": {
"is_bonded": true,
"details": "Surety: NORTH RIVER INSURANCE COMPANY THE; Bond #: 46CF842686; Amount: $30,000; Effective: 2025-08-05; Expires: Until Canceled"
},
"insured": {
"has_insurance": true,
"details": "Carrier: State National Ins Co Inc; Policy: NXT9PTHTLT-01-GL; Coverage: $1,000,000; Agency: Next Insurance Inc; Effective: 2026-06-12; Expires: 2027-06-12"
},
"effective_date": "2025-08-15",
"expiration_date": "2027-08-15"
},
"source_url": "https://data.wa.gov/resource/m8qx-ubtq",
"retrieved_at": "2026-06-26T01:34:37.598Z",
"raw": { ... }
}
status is always one of: active | expired | suspended | revoked | unknown.
On failure: { "found": false, "error": "SESSION_ERROR|NETWORK_ERROR|...", "message": "..." } — never a crash, never a charge.
Local test
npm install
npm run build
echo '{"jurisdiction":"WA","license_number":"ECOSTSC758NN"}' \
> storage/key_value_stores/default/INPUT.json
npx apify run
MCP Server (stdio)
For use with Claude Desktop, Smithery, or any MCP-compatible agent.
Tools
verify_license — verify a contractor's license status.
jurisdiction(required):"WA"or"CA"license_numberand/orbusiness_name(at least one required)
list_supported_jurisdictions — list all states with their status and data source.
Config (Claude Desktop)
{
"mcpServers": {
"license-verify": {
"command": "node",
"args": ["/absolute/path/to/license-verify-mcp/dist/index.js"]
}
}
}
Run
npm install && npm run build
npm run start:mcp # stdio MCP server
npm run smoke # hit real WA + CA endpoints, must be 8/8 PASS
Adding a State
- Create
src/providers/<CODE>.tsimplementing theProviderinterface ({ info, verify() }) - Register it in
src/providers/index.ts
No other changes needed in server or Actor.
License
MIT
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