# LicenseGround (DBZ GROUP)
> Machine-Readable Regulatory Ground Truth and Deterministic Contractor Licensing Verification for Autonomous AI Agents across California (CSLB), Florida (DBPR), Texas (TDLR), New York (NYC DOB), Massachusetts (CSL/HIC), Illinois (Chicago DOB), Arizona (ROC), and Federal SAM.gov Debarment & OSHA Safety Enforcement.

## Overview
LicenseGround is an enterprise data product and Model Context Protocol (MCP) server providing sub-2ms verification of high-ticket trade contractors (Roofers, Electricians, HVAC technicians, Plumbers, and General Contractors) across 7 major jurisdictions, plus federal debarment and OSHA safety records. It allows autonomous procurement agents, LLMs, and enterprise facilities managers to avoid hallucinations and verify contractor credentials deterministically.

## Organization
- Legal Operator: DBZ GROUP
- Website: https://licenseground.com
- API Base URL: https://licenseground.com/v1
- MCP Endpoint: stdio or SSE transport
- Full Context Documentation: https://licenseground.com/llms-full.txt

## Core Capabilities
- **Multi-State Verification (`/v1/verify`):** Cross-checks contractor records against official state databases in CA, FL, TX, NY, MA, IL, and AZ.
- **Federal SAM.gov Debarment Audits (`/v1/federal/debarment-check`):** Audits prime and subcontractors against federal EPLS exclusions, CAGE codes, and UEIs under FAR 52.209-6.
- **OSHA Workplace Safety Audits (`/v1/safety/osha-audit`):** Inspects 5-year OSHA citation histories, Willful/Repeat violations, and Severe Violator Enforcement Program (SVEP) enrollment.
- **Deterministic Risk Scoring (`/v1/compliance-check`):** Evaluates workers' comp compliance (including California SB 216 and NYSIF), surety bond validity, Stop Work Orders, and active disciplinary citations. Returns `can_hire: true/false` and a continuous risk index (0 to 100).
- **Contractor Search (`/v1/search`):** Sourcing active, bonded trade contractors by municipality and trade classification code.
- **Autonomous Monetization (`/v1/agent-keys` & `/v1/checkout/create-session`):** 500 free queries upon registration, followed by automated Stripe Checkout top-ups.

## Guides (1,500+ Words Each)
- [The Autonomous Agent Procurement Protocol: How AI Agents Verify Trade Contractors in Real Time](https://licenseground.com/guides/autonomous-agent-procurement-protocol-contractor-verification-mcp): A plain-English guide for software teams and facility managers on how AI agents verify contractor licenses in California, Florida, and Texas without hallucinations.
- [California CSLB Contractor Compliance Master Guide: Class A, B, Specialty Trades, and Senate Bill 216 Rules](https://licenseground.com/guides/california-cslb-contractor-compliance-master-guide-sb216): A plain-English master guide to California Contractors State License Board (CSLB) rules, B&P Code 7031 disgorgement, SB 216 workers comp mandates, and surety bonds.
- [Florida DBPR Contractor Licensing & Fraud Prevention Handbook: Chapter 489 Rules and Post-Storm Compliance](https://licenseground.com/guides/florida-dbpr-contractor-licensing-fraud-prevention-handbook): A plain-English guide to Florida DBPR contractor licensing, Chapter 489 regulations, Certified vs Registered licenses, and post-hurricane fraud prevention.
- [Texas TDLR Trade Licensing & Municipal Reciprocity: Electrical, HVAC, and Municipal City Rules](https://licenseground.com/guides/texas-tdlr-trade-licensing-municipal-compliance-guide): A plain-English guide to Texas TDLR licensing for electrical and HVAC trades, SODA API integration on data.texas.gov, and municipal city registration traps.
- [Enterprise Subcontractor Compliance & Insurance Policy Scoring: Why Paper COIs Fail and How to Build Automated Risk Gates](https://licenseground.com/guides/enterprise-compliance-risk-scoring-autonomous-ai-procurement): A plain-English guide for general contractors and facility managers on why paper Certificates of Insurance (COIs) fail and how to automate subcontractor risk scoring.
- [New York City DOB Contractor Verification & Stop Work Order Audit Guide](https://licenseground.com/guides/nyc-dob-contractor-license-verification-stop-work-order-guide): A plain-English guide to verifying NYC Department of Buildings contractor licenses, tracking numbers, Stop Work Orders, and NYSIF workers' comp in New York.
- [Massachusetts & Boston Construction Supervisor (CSL) & HIC Compliance Blueprint](https://licenseground.com/guides/massachusetts-boston-csl-hic-contractor-compliance-guide): Learn how Massachusetts regulates contractors through the dual CSL and HIC system, how Boston ISD enforces building permits, and how to verify compliance.
- [City of Chicago & Illinois General Contractor Tiered Licensing Guide](https://licenseground.com/guides/chicago-illinois-general-contractor-license-tiers-guide): A complete guide to City of Chicago Department of Buildings General Contractor Class A through E license tiers, bonding limits, and Cook County trade rules.
- [Arizona ROC Dual Licensing & Commercial Contractor Verification Protocol](https://licenseground.com/guides/arizona-roc-contractor-license-dual-commercial-guide): Understand Arizona Registrar of Contractors (ROC) dual licensing, commercial B-1 vs residential B-2, CR specialty trades, and surety bond thresholds.
- [Federal SAM.gov Debarment & OSHA Safety Enforcement Compliance Guide](https://licenseground.com/guides/federal-sam-gov-debarment-osha-safety-compliance-guide): A comprehensive compliance guide to auditing contractors against SAM.gov EPLS federal debarment, FAR 9.406, and OSHA severe willful safety citations.

## Categories
- [California CSLB Licensing & Mandates](https://licenseground.com/blog/silo/ca_cslb)
- [Florida DBPR & Hurricane Fraud Prevention](https://licenseground.com/blog/silo/fl_dbpr)
- [Texas TDLR & Municipal Trade Compliance](https://licenseground.com/blog/silo/tx_tdlr)
- [New York City DOB Licensing & Building Enforcement](https://licenseground.com/blog/silo/ny_dob)
- [Massachusetts & Boston Construction Supervisor (CSL) & HIC](https://licenseground.com/blog/silo/ma_csl)
- [City of Chicago & Illinois General Contractor Compliance](https://licenseground.com/blog/silo/il_chicago)
- [Arizona Registrar of Contractors (ROC) Dual Licensing](https://licenseground.com/blog/silo/az_roc)
- [Federal SAM Debarment & OSHA Workplace Safety Enforcement](https://licenseground.com/blog/silo/federal_safety)
- [Autonomous AI Agents & MCP Protocols](https://licenseground.com/blog/silo/ai_mcp)
- [B2B Risk Evaluation & Insurance Verification](https://licenseground.com/blog/silo/compliance_policy)

## Blog Articles (Long-Tail Regulatory Intelligence)
- [How AI Agents Verify Business & Contractor Licenses Using MCP](https://licenseground.com/blog/how-ai-agents-verify-business-licenses-using-mcp) (Autonomous AI Agents & MCP Protocols): Learn how autonomous AI agents use the Model Context Protocol (MCP) to verify contractor licenses, bonds, and workers comp with zero hallucinations.
- [Model Context Protocol for Regulatory Compliance: Eliminating Hallucinations](https://licenseground.com/blog/model-context-protocol-for-regulatory-compliance-data) (Autonomous AI Agents & MCP Protocols): How the Model Context Protocol (MCP) replaces fragile web scraping with deterministic government data pipelines for enterprise AI compliance.
- [Setting Up Cursor and Claude Desktop for Contractor License Checks](https://licenseground.com/blog/cursor-and-claude-desktop-mcp-contractor-verification-setup) (Autonomous AI Agents & MCP Protocols): Step-by-step guide to configuring Cursor IDE and Claude Desktop with the LicenseGround FastMCP server for instant contractor verification.
- [Building Autonomous Procurement Bots with Deterministic Licensing APIs](https://licenseground.com/blog/building-autonomous-procurement-bots-with-deterministic-licensing-apis) (Autonomous AI Agents & MCP Protocols): Technical guide on building production AI procurement bots that verify contractor credentials, audit surety bonds, and approve invoices deterministically.
- [Preventing LLM Hallucinations in Contractor Credential Auditing](https://licenseground.com/blog/preventing-llm-hallucinations-in-contractor-credential-auditing) (Autonomous AI Agents & MCP Protocols): Why LLMs hallucinate business credentials and how to build zero-trust deterministic verification gates using MCP and government registry APIs.
- [Programmatic Stripe Micropayments for Autonomous AI Agents](https://licenseground.com/blog/programmatic-stripe-micropayments-for-autonomous-ai-agents) (Autonomous AI Agents & MCP Protocols): How autonomous AI agents manage their own API budgets using Stripe Checkout sessions and programmatic top-ups without human intervention.
- [Arizona ROC License Search: Understanding Dual Licenses (KB-1 vs. B-1)](https://licenseground.com/blog/arizona-roc-license-lookup-dual-commercial-residential) (Arizona Registrar of Contractors (ROC) Dual Licensing): Learn how to verify Arizona Registrar of Contractors licenses, understand Dual KB-1 vs Commercial B-1 classifications, and prevent unlicensed contracting.
- [Arizona Contractor Recovery Fund: How the $30,000 Safety Net Works](https://licenseground.com/blog/arizona-contractor-recovery-fund-homeowner-protection) (Arizona Registrar of Contractors (ROC) Dual Licensing): Discover how the Arizona Residential Contractor Recovery Fund protects homeowners up to $30,000 against rogue licensed builders and fraud.
- [Arizona Commercial Contractor Bond Requirements: A.R.S. 32-1152 Thresholds](https://licenseground.com/blog/arizona-commercial-contractor-bond-amounts-explained) (Arizona Registrar of Contractors (ROC) Dual Licensing): A guide to Arizona surety bond sliding scales under A.R.S. 32-1152, gross volume thresholds, and commercial contractor bonding rules.
- [CSLB License Lookup API for Autonomous AI Agents and Automated Onboarding](https://licenseground.com/blog/cslb-license-lookup-api-for-ai-agents) (California CSLB Licensing & Mandates): Learn how AI agents and automated vendor software query California CSLB contractor records in real-time to verify licenses, bonds, and workers comp.
- [California SB 216 Workers' Comp Mandate: Compliance Rules for C-39, C-10, and C-20 Contractors](https://licenseground.com/blog/california-sb-216-workers-comp-mandate-roofing-hvac) (California CSLB Licensing & Mandates): Understanding California Senate Bill 216: Why zero-employee workers comp exemptions are illegal for C-39 Roofers, C-10 Electricians, and C-20 HVAC contractors.
- [C-39 Roofing Contractor License Requirements in California: Testing, Bonding, and Safety Rules](https://licenseground.com/blog/c-39-roofing-contractor-license-requirements-california) (California CSLB Licensing & Mandates): Detailed guide on California C-39 Roofing Contractor license requirements, including CSLB trade exams, $25,000 surety bonds, and mandatory SB 216 workers comp.
- [C-10 Electrical Contractor License Verification API: California High-Voltage Compliance](https://licenseground.com/blog/c-10-electrical-contractor-license-verification-api) (California CSLB Licensing & Mandates): How to verify California C-10 Electrical Contractor licenses via API. Check active CSLB status, journeyman certifications, surety bonds, and SB 216 workers comp.
- [California CSLB Disciplinary Actions & Citation Auditing via API](https://licenseground.com/blog/california-contractors-state-license-board-disciplinary-actions-api) (California CSLB Licensing & Mandates): Learn how software systems query California CSLB disciplinary actions, citation histories, and license suspensions via automated API endpoints.
- [Verifying California CSLB Surety Bonds for B2B Subcontractors](https://licenseground.com/blog/verifying-cslb-surety-bonds-for-b2b-subcontractors) (California CSLB Licensing & Mandates): How to verify California $25,000 contractor license bonds and Bond of Qualifying Individual (BQI) filings via automated API endpoints.
- [Subcontractor Compliance Checklist for Commercial General Contractors](https://licenseground.com/blog/subcontractor-compliance-checklist-for-general-contractors) (B2B Risk Evaluation & Insurance Verification): Comprehensive pre-qualification checklist for general contractors. Verify licenses, workers comp, surety bonds, and lien waivers before work begins.
- [Certificate of Insurance (COI) vs. State License Registry: Why Paper Fails](https://licenseground.com/blog/certificate-of-insurance-coi-vs-state-license-registry-verification) (B2B Risk Evaluation & Insurance Verification): Why relying on paper Certificates of Insurance (COIs) exposes builders to massive unhedged risk. Compare paper certificates to live state database audits.
- [Surety Bond Verification APIs: Avoiding Subcontractor Default Claims](https://licenseground.com/blog/surety-bond-verification-apis-avoiding-default-claims) (B2B Risk Evaluation & Insurance Verification): How to verify contractor surety bonds via API. Catch 30-day cancellation notices, avoid default claims, and ensure statutory bond compliance.
- [Workers' Compensation Ghost Policy Fraud: Detection Methods for Builders](https://licenseground.com/blog/workers-compensation-ghost-policy-fraud-detection-methods) (B2B Risk Evaluation & Insurance Verification): Learn how unscrupulous subcontractors use workers comp ghost policies to submit fake insurance certificates, and how builders detect them via API.
- [Mechanics' Lien Risk Mitigation Through Active License Auditing](https://licenseground.com/blog/mechanics-lien-risk-mitigation-through-active-license-auditing) (B2B Risk Evaluation & Insurance Verification): How active contractor license auditing prevents double-payment traps and mechanics lien foreclosures on commercial construction projects.
- [Automated Facility Management Vendor Compliance Monitoring: Continuous Auditing](https://licenseground.com/blog/automated-facility-management-vendor-compliance-monitoring) (B2B Risk Evaluation & Insurance Verification): Why one-time vendor onboarding fails in facility management. How continuous API monitoring catches mid-term license suspensions and bond lapses.
- [SAM.gov Debarment Checks: Why Subcontracting with Debarred Vendors Voids Federal Contracts](https://licenseground.com/blog/sam-gov-debarment-check-far-compliance-subcontractors) (Federal SAM Debarment & OSHA Workplace Safety Enforcement): Learn why auditing subcontractors against SAM.gov Exclusions is mandatory under FAR 52.209-6 and how to avoid False Claims Act penalties.
- [How to Audit a General Contractor's OSHA Safety Records for Willful Violations](https://licenseground.com/blog/osha-willful-violation-contractor-safety-audit) (Federal SAM Debarment & OSHA Workplace Safety Enforcement): A compliance guide to auditing general contractor OSHA safety citations, willful penalties, and the Severe Violator Enforcement Program (SVEP).
- [Validating Contractor CAGE Codes and UEI Numbers via Automated Verification APIs](https://licenseground.com/blog/federal-uei-cage-code-contractor-verification-api) (Federal SAM Debarment & OSHA Workplace Safety Enforcement): How to validate Unique Entity Identifiers (UEI) and CAGE codes for defense and government contractors using automated verification APIs.
- [Florida DBPR License Search API: Instant Verification for Trade Contractors](https://licenseground.com/blog/florida-dbpr-license-search-api-contractors) (Florida DBPR & Hurricane Fraud Prevention): How software systems query the Florida DBPR license database in real time. Validate Certified vs Registered credentials, active status, and CILB records.
- [Certified vs. Registered Contractors in Florida: Key Differences Every Builder Must Know](https://licenseground.com/blog/certified-vs-registered-contractors-florida-differences) (Florida DBPR & Hurricane Fraud Prevention): Understand the critical differences between Certified (statewide) and Registered (county-only) contractors under Florida Statutes Chapter 489.
- [Florida CCC Roofing License Verification for Storm Repair & Emergency Tarps](https://licenseground.com/blog/florida-ccc-roofing-license-verification-storm-repair) (Florida DBPR & Hurricane Fraud Prevention): How to verify Florida Certified Roofing Contractor (CCC) licenses after hurricanes. Avoid unlicensed storm chasers and comply with Florida roofing laws.
- [Florida HVAC (CAC) License Compliance and Commercial Insurance Checks](https://licenseground.com/blog/florida-hvac-cac-license-compliance-and-insurance-check) (Florida DBPR & Hurricane Fraud Prevention): How to verify Florida Certified Air Conditioning Contractor (CAC) licenses via API. Check Class A vs Class B cooling limits, EPA refrigerant rules, and insurance.
- [Florida Construction Industry Licensing Board (CILB) Citations Lookup](https://licenseground.com/blog/florida-construction-industry-licensing-board-citations-lookup) (Florida DBPR & Hurricane Fraud Prevention): How to query Florida CILB disciplinary actions, public complaints, and administrative citations via automated API to avoid hiring fraudulent contractors.
- [Verifying Florida Contractor Workers' Compensation Exemption: Catching the Corporate Officer Trap](https://licenseground.com/blog/verifying-florida-contractor-workers-compensation-exemption) (Florida DBPR & Hurricane Fraud Prevention): How to verify Florida contractor workers comp exemptions via the Department of Financial Services (DFS). Spot the corporate officer exemption trap.
- [Chicago General Contractor License Classes: Can a Class E Contractor Work on a $1M Project?](https://licenseground.com/blog/chicago-general-contractor-license-classes-explained) (City of Chicago & Illinois General Contractor Compliance): Explore the 5 City of Chicago General Contractor license tiers (Class A through E), project monetary caps, and municipal code violation penalties.
- [Cook County Contractor Rules: Why an Illinois Suburb License Isn't Valid in Chicago](https://licenseground.com/blog/cook-county-contractor-licensing-reciprocity-rules) (City of Chicago & Illinois General Contractor Compliance): Understand why suburban Cook County contractor registrations do not grant authority to work in the City of Chicago, and how to verify municipal licensing.
- [Chicago Supervising Electrician License Lookup: City Code 4-36 Requirements](https://licenseground.com/blog/chicago-supervising-electrician-license-lookup) (City of Chicago & Illinois General Contractor Compliance): How to verify Chicago Supervising Electrician credentials, rigid conduit mandates under Chicago Electrical Code, and permit pulling rules.
- [Massachusetts CSL vs. HIC: Which License Does Your Contractor Legally Need?](https://licenseground.com/blog/massachusetts-csl-vs-hic-contractor-license-difference) (Massachusetts & Boston Construction Supervisor (CSL) & HIC): Understand the vital difference between a Massachusetts Construction Supervisor License (CSL) and Home Improvement Contractor (HIC) registration.
- [Boston ISD Permit Audits: How Unlicensed Supervisors Freeze Construction Projects](https://licenseground.com/blog/boston-isd-building-permit-contractor-audit) (Massachusetts & Boston Construction Supervisor (CSL) & HIC): Learn how the City of Boston Inspectional Services Department (ISD) audits contractor licenses and building permits to stop illegal construction.
- [The Massachusetts Guaranty Fund: How Homeowners Recover Money from Rogue Contractors](https://licenseground.com/blog/massachusetts-contractor-guaranty-fund-claims) (Massachusetts & Boston Construction Supervisor (CSL) & HIC): A complete guide to the Massachusetts Residential Contractor Guaranty Fund, payout limits, eligibility rules under M.G.L. c. 142A, and claim processes.
- [How to Check NYC DOB Stop Work Orders Before Paying a General Contractor](https://licenseground.com/blog/nyc-dob-stop-work-order-search-liability) (New York City DOB Licensing & Building Enforcement): Learn how to search NYC Department of Buildings Stop Work Orders, understand Full vs Partial orders, and protect your capital from municipal fines.
- [What Is an NYC DOB General Contractor Tracking Number and How to Verify It](https://licenseground.com/blog/nyc-dob-general-contractor-tracking-number-lookup) (New York City DOB Licensing & Building Enforcement): A plain-English guide to understanding New York City DOB General Contractor Tracking Numbers, insurance filings, and commercial credential audits.
- [NYSIF Workers' Compensation Checks: Spotting Fraudulent Certificates in New York](https://licenseground.com/blog/nysif-workers-comp-verification-new-york-contractors) (New York City DOB Licensing & Building Enforcement): How to verify New York State Insurance Fund (NYSIF) workers' compensation policies, spot fake ACORD forms, and avoid catastrophic Scaffold Law liabilities.
- [Texas TDLR License Verification API: Live SODA Open Data Queries](https://licenseground.com/blog/texas-tdlr-license-verification-api-soda) (Texas TDLR & Municipal Trade Compliance): How to query Texas Department of Licensing and Regulation (TDLR) records via SODA API. Validate electrician, HVAC, and contractor licenses in real time.
- [Texas Master Electrician & Electrical Contractor (TECL) Verification](https://licenseground.com/blog/texas-master-electrician-license-search-and-verification) (Texas TDLR & Municipal Trade Compliance): Understand the difference between a Texas Master Electrician license and a Texas Electrical Contractor (TECL) business license under TDLR rules.
- [Texas Air Conditioning and Refrigeration (ACR) License Lookup: Class A vs Class B Rules](https://licenseground.com/blog/texas-air-conditioning-and-refrigeration-acr-license-lookup) (Texas TDLR & Municipal Trade Compliance): How to verify Texas Air Conditioning and Refrigeration (ACR) licenses via TDLR API. Understand Class A (unlimited) vs Class B (25 ton) cooling limits.
- [TDLR Enforcement Actions & License Revocations: Automated Risk Auditing via API](https://licenseground.com/blog/tdlr-enforcement-actions-and-license-revocations-api) (Texas TDLR & Municipal Trade Compliance): Learn how software systems query Texas TDLR enforcement dockets, administrative penalties, and license revocations via automated API endpoints.
- [Texas Open Data Portal Contractor Database: Developer Integration Blueprint](https://licenseground.com/blog/texas-open-data-portal-contractor-database-integration) (Texas TDLR & Municipal Trade Compliance): Technical guide on integrating with data.texas.gov open data portal for TDLR contractor verification. Architecture, caching, and API integration tips.
- [How AI Agents Check Texas Contractor Commercial Liability Insurance](https://licenseground.com/blog/how-ai-agents-check-texas-contractor-liability-insurance) (Texas TDLR & Municipal Trade Compliance): Learn how autonomous AI agents verify commercial general liability insurance limits for Texas electrical (TECL) and HVAC (ACR) contractors via API.

## FastMCP Configuration (Claude Desktop / Cursor)
```json
{
  "mcpServers": {
    "licenseground": {
      "command": "python",
      "args": ["-m", "src.cli", "mcp-server"],
      "env": {
        "AGENT_API_KEY": "lc_live_your_api_key_here"
      }
    }
  }
}
```

## API Documentation & Endpoints
- POST `/v1/verify` - State license validation
- POST `/v1/compliance-check` - Full risk audit
- POST `/v1/search` - Geographic contractor search
- POST `/v1/agent-keys` - Autonomous registration
- POST `/v1/checkout/create-session` - Programmatic Stripe top-ups
- GET `/v1/health` - Registry status telemetry