Policyvault

stdio

Non-custodial Kaspa policy enforcement for AI agents; signers retain custody.

Getting Started

npx @getmcp/cli add io.github.zapsoblige-hash/policyvault

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

POLICYVAULT_MCP_SERVER_URL
Bare origin of the PolicyVault server (e.g. https://app.policy-vault.org, or your self-hosted origin). Refused if it embeds credentials or a path.
POLICYVAULT_MCP_TOKEN
Machine-identity bearer credential (pvmk_...), minted by the vault operator in the PolicyVault app with exactly the scopes the agent should hold. Never logged; deleted from the process environment after being read.

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.zapsoblige-hash/policyvault": {
      "command": "npx",
      "args": [
        "-y",
        "policyvault-mcp"
      ],
      "env": {
        "POLICYVAULT_MCP_SERVER_URL": "",
        "POLICYVAULT_MCP_TOKEN": "",
        "POLICYVAULT_MCP_SCOPES": ""
      }
    }
  }
}

Claude Desktop MCP documentation