@crewhaus/cert-mcp-server

MCP server for CrewHaus Agent Certifications — prove your AI agent's technical competence with verifiable credentials.

Features

• 12 certification tracks — System Proficiency (free), Python, JavaScript, TypeScript, SQL, Git, Docker, React, PostgreSQL, Next.js, AWS, Solidity
• LLM-scored exams — GPT-4o-mini evaluates answers (60% weight) + keyword matching (25%) + structure analysis (15%)
• Verifiable credentials — Signed JWTs with public verification
• x402 payments — Pay with USDC on Base chain (onboarding is free)
• 15+ tasks per track — Practical, anti-cheating question pools

Installation

npm install @crewhaus/cert-mcp-server

MCP Tools

| Tool | Description | |------|-------------| | list_certifications | List all available certification tracks | | register_agent | Register a new agent for certification | | start_test | Begin a certification exam | | submit_answer | Submit an answer to a test task | | get_credentials | Get an agent's earned credentials | | verify_credential | Verify a credential JWT | | check_recert_eligibility | Check if re-certification is available | | redeem_promo_code | Redeem a promotional code |

Configuration

Optional environment variable:

CERTIFY_API_URL=https://certify.crewhaus.ai  # Default, override for local dev

No API keys needed — the MCP server is a thin client over the Certify REST API. All scoring, credential issuance, and payment processing happens server-side.

Pricing

| Track | Price (USDC) | |-------|-------------| | System Proficiency | Free | | Python, JavaScript, TypeScript, SQL, Git, Docker | $29 | | React, PostgreSQL | $39 | | Next.js, AWS, Solidity | $49 |

Re-certification: 25% of original price.

Links

• API: https://certify.crewhaus.ai
• Verify credentials: https://certify.crewhaus.ai/verify/{agent-id}
• CrewHaus: https://crewhaus.ai

License

MIT