Keymaster MCP Server: Install & Setup

Install Keymaster in Claude Code

Claude Code

claude mcp add keymaster -e USER_KEYMASTER_URL=... -e USER_KEYMASTER_TOKEN=... -- npx -y @akari-os/keymaster-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "keymaster": {
      "command": "npx",
      "args": [
        "-y",
        "@akari-os/keymaster-mcp"
      ],
      "env": {
        "USER_KEYMASTER_URL": "...",
        "USER_KEYMASTER_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Keymaster MCP server do?

Read-only runtime secret retrieval from HashiCorp Vault via Keymaster for autonomous AI agents.

Is the Keymaster MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Keymaster run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Keymaster to Claude Code?

Run: claude mcp add keymaster -e USER_KEYMASTER_URL=... -e USER_KEYMASTER_TOKEN=... -- npx -y @akari-os/keymaster-mcp

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