A multi-layer verification system for contractor credentials, business entities, and blockchain-based attestations.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install tradesman-verify
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install tradesman-verify using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Tradesman Verify?
Tradesman Verify is a high-integrity Proof-of-Credential infrastructure designed specifically for the construction and trades industry. It functions as a critical component for developers using Openclaw Skills, enabling the validation of service provider legitimacy through business entity lookups in over 140 jurisdictions and professional license checks across all 50 US states.
By integrating with OpenCorporates and state licensing boards, this skill provides a verifiable trust layer that generates deRWA-compatible credentials. It ensures that contractors are active, properly licensed, and compliant before they are onboarded or assigned tasks, effectively bridging the gap between real-world business credentials and digital agent workflows.
Tradesman Verify Use Cases
- Automating the onboarding of subcontractors by verifying business entity status and registration longevity.
- Conducting real-time professional license validation for specialized trades such as electrical, plumbing, and HVAC.
- Generating W3C Verifiable Credentials for decentralized workforce coordination and identity management.
- Monitoring contractor compliance through historical audit trails and expiration tracking within Openclaw Skills environments.
- Providing proof documents for service provider financing in decentralized real-world asset (deRWA) protocols.
How Tradesman Verify Works
- The user or agent initiates a verification request via CLI or API, providing the business name, jurisdiction, and license details.
- The skill queries OpenCorporates to confirm the legal existence, current status (Active, Dissolved, or Liquidated), and incorporation date of the business entity.
- It performs a professional license check against state licensing board databases to confirm the validity, specialty certifications, and disciplinary history of the contractor.
- The system aggregates these multi-layer findings into a comprehensive risk assessment report.
- A final recommendation (Approved, Manual Review, or Reject) is generated along with a deRWA-compatible JSON credential for blockchain attestation.
Tradesman Verify Setup
To begin using this tool within the suite of Openclaw Skills, install the package and configure your required environment variables.
npm install -g tradesman-verify
export OPENCORPORATES_API_KEY="your-opencorporates-api-key"
For access to automated state license checks and higher rate limits, you can optionally configure a premium API key:
export PPCS_API_KEY="your-ppcs-api-key"
Tradesman Verify Data Schema & Taxonomy
The skill organizes verification data into a structured schema compatible with W3C and blockchain attestation protocols.
| Field | Description | Type |
|---|---|---|
contractorId |
Unique identifier for the service provider | String |
verificationStatus |
Current result (VERIFIED, FAILED, PENDING) | Enum |
businessVerification |
Details from OpenCorporates including registration status and age | Object |
licenseVerification |
Details from state boards including validity and expiry | Object |
attestation |
Metadata for blockchain-ready credentials including checksums | Object |
Tradesman Verify Advanced Features
- Batch processing capabilities to verify large lists of contractors simultaneously from CSV or JSON inputs.
- Native integration with tradesman-validate for issuing on-chain credentials via Accumulate ADI.
- Real-time status monitoring webhooks that alert systems when a contractor's license expires or is suspended.
- Compatibility with institutional deRWA frameworks including Centrifuge and Circle ARC.
- Advanced risk assessment layers that include sanctions screening and financial stability indicators.
SKILL.md
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