PolicyVault MCP

A non-custodial Kaspa policy enforcement server for AI agents where signers retain custody. It enforces idempotency by refusing retries after uncertain outcomes and reports 403 REQUEST_FORBIDDEN when the credential's wallet is neither the signer nor the vault owner.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by zapsoblige-hash

Vendor documentation

What you can do with it

Enforce policy constraints for AI agent transactions
Ensure idempotency for MCP requests with uncertain outcomes
Validate wallet ownership and signing permissions

Source and maintenance

Community listingRegistry 1.6.2

mcp-registry: io.github.zapsoblige-hash/policyvault@1.6.2 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

policyvault-mcp 1.6.2

npm

policyvault-mcp package definition

{
  "version": "1.6.2",
  "transport": "stdio",
  "identifier": "policyvault-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "POLICYVAULT_MCP_SERVER_URL",
      "format": "string",
      "isRequired": true,
      "description": "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."
    },
    {
      "name": "POLICYVAULT_MCP_TOKEN",
      "format": "string",
      "isRequired": true,
      "description": "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."
    },
    {
      "name": "POLICYVAULT_MCP_SCOPES",
      "format": "string",
      "description": "Optional comma-separated scope list to narrow which tools are advertised (display-side only; enforcement is always server-side)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "policyvault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "policyvault-mcp@1.6.2"
      ],
      "env": {
        "POLICYVAULT_MCP_SERVER_URL": "<YOUR_POLICYVAULT_MCP_SERVER_URL>",
        "POLICYVAULT_MCP_TOKEN": "<YOUR_POLICYVAULT_MCP_TOKEN>",
        "POLICYVAULT_MCP_SCOPES": "<YOUR_POLICYVAULT_MCP_SCOPES>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "policyvault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "policyvault-mcp@1.6.2"
      ],
      "env": {
        "POLICYVAULT_MCP_SERVER_URL": "<YOUR_POLICYVAULT_MCP_SERVER_URL>",
        "POLICYVAULT_MCP_TOKEN": "<YOUR_POLICYVAULT_MCP_TOKEN>",
        "POLICYVAULT_MCP_SCOPES": "<YOUR_POLICYVAULT_MCP_SCOPES>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "policyvault-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "policyvault-mcp@1.6.2"
      ],
      "env": {
        "POLICYVAULT_MCP_SERVER_URL": "<YOUR_POLICYVAULT_MCP_SERVER_URL>",
        "POLICYVAULT_MCP_TOKEN": "<YOUR_POLICYVAULT_MCP_TOKEN>",
        "POLICYVAULT_MCP_SCOPES": "<YOUR_POLICYVAULT_MCP_SCOPES>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "policyvault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "policyvault-mcp@1.6.2"
      ],
      "env": {
        "POLICYVAULT_MCP_SERVER_URL": "<YOUR_POLICYVAULT_MCP_SERVER_URL>",
        "POLICYVAULT_MCP_TOKEN": "<YOUR_POLICYVAULT_MCP_TOKEN>",
        "POLICYVAULT_MCP_SCOPES": "<YOUR_POLICYVAULT_MCP_SCOPES>"
      }
    }
  }
}

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