Calibr

MCP server for the Calibr credit risk platform. Score applicants, manage models, and monitor deployments from any MCP-compatible AI agent.

Quick Start

Claude Code (stdio)

claude mcp add calibr -- npx calibr-mcp --api-key sk_live_YOUR_KEY

Cursor (stdio)

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "calibr": {
      "command": "npx",
      "args": ["calibr-mcp", "--api-key", "sk_live_YOUR_KEY"]
    }
  }
}

Remote with OAuth

claude mcp add --transport http calibr https://mcp.cali-br.com/mcp

OAuth login flow opens in your browser automatically.

Remote with API Key

claude mcp add --transport http calibr https://mcp.cali-br.com/mcp --header "Authorization: Bearer sk_live_YOUR_KEY"

Available Tools (23)

Scoring

• score_applicant — Score a single applicant against a deployed scorecard
• score_batch — Score up to 1000 applicants in one request

Models

• list_models — List all deployed scorecard models
• get_model — Get model detail including scorecard spec
• deploy_model — Deploy a scorecard to production or staging

Deployments

• list_deployments — List active deployments
• get_deployment — Deployment detail with champion/challengers
• get_deployment_stats — Scoring statistics
• compare_models — Champion vs challenger comparison
• promote_challenger — Promote a challenger to champion
• rollback_deployment — Rollback to previous champion
• update_traffic — Adjust champion/challenger traffic split

API Keys

• list_api_keys — List API keys
• create_api_key — Create a new API key
• revoke_api_key — Revoke an API key
• rotate_api_key — Rotate an API key

Webhooks

• list_webhooks — List webhooks
• create_webhook — Create a webhook
• delete_webhook — Delete a webhook
• test_webhook — Send test event to a webhook

Observability

• get_usage — Current month API usage
• get_usage_history — Historical usage
• get_audit_log — Audit log entries

Authentication

API Key (stdio + HTTP)

Pass your Calibr API key via --api-key flag or CALIBR_API_KEY environment variable.

Get your API key from the Calibr Dashboard.

OAuth (HTTP only)

For the remote HTTP transport at mcp.cali-br.com, OAuth is supported. Your MCP client (Claude Code, Cursor) will open a browser window for you to log in with your Calibr credentials. Tokens are managed automatically.

Environment Variables

Variable	Description
CALIBR_API_KEY	API key (alternative to --api-key flag)

License

MIT