Covenant Guard MCP Server

by open-covenantorg.opencovenant/guardv0.1.1

Quote, pay for, and track fixed-price maintenance on public GitHub repositories from any MCP client. Settlement is USDC on Solana over x402.

8Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Active9d ago

Install Covenant Guard MCP server

claude mcp add covenant -e MIZUKI_API_TOKEN='<mizuki-api-token>' -- npx -y mizuki-mcp

{
  "mcpServers": {
    "covenant": {
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "env": {
        "MIZUKI_API_TOKEN": "<mizuki-api-token>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "covenant": {
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "env": {
        "MIZUKI_API_TOKEN": "<mizuki-api-token>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "covenant": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "env": {
        "MIZUKI_API_TOKEN": "<mizuki-api-token>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "covenant": {
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "env": {
        "MIZUKI_API_TOKEN": "<mizuki-api-token>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
MIZUKI_API_URL	—	—	Mizuki API base URL. Defaults to the public service.
MIZUKI_API_TOKEN	—	yes	Maintainer API token. Only needed for repository, preflight, and payment-status tools; quoting and public reads work without it.
MIZUKI_MCP_TIMEOUT_MS	—	—	Per-request timeout in milliseconds.

Freshness

Active — last maintenance signal 9d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-30 · 9d ago · GitHub
Latest release
2026-07-13 · 3mo ago · GitHub · covguard-v0.1.1
Package published
no data · npm/PyPI
Registry entry updated
2026-07-13 · 3mo ago · official registry · v0.1.1

FAQ

›How do I install the Covenant Guard MCP server in Claude Code?

Run: claude mcp add covenant -e MIZUKI_API_TOKEN='<mizuki-api-token>' -- npx -y mizuki-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Covenant Guard require an API key?

Yes. It expects MIZUKI_API_TOKEN, of which 1 is a secret.

›Can I use Covenant Guard as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Covenant Guard in the official MCP registry?

Yes, as org.opencovenant/guard.