Wundervault MCP

A zero-knowledge MCP secrets vault that allows AI agents to use API keys, SSH keys, and wallets without ever holding the plaintext secrets. A local broker handles requests, payments, and signatures, returning only the results to the agent while keeping secrets encrypted and secure on the user's device.

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Package and access

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

Community listingLocal stdioSource reviewed; not executedPublished by Wundervault

Vendor documentation

What you can do with it

Call web services with API keys attached securely
Execute SSH commands using brokered keys
Make USDC payments via x402 protocol
Sign data with private keys

Source and maintenance

Community listingRegistry 2.1.0

mcp-registry: io.github.wundervault/wundervault-mcp@2.1.0 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

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

@wundervault/mcp-server 2.1.0

npm

@wundervault/mcp-server package definition

{
  "version": "2.1.0",
  "transport": "stdio",
  "identifier": "@wundervault/mcp-server",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "WUNDERVAULT_AGENT_NAME",
      "format": "string",
      "isRequired": true,
      "description": "The agent's name, as added in your vault and enrolled on this computer with wundervault-agent --enrol."
    },
    {
      "name": "WUNDERVAULT_AGENT_TOKEN",
      "format": "string",
      "description": "Optional. Overrides the token that wundervault-agent --enrol saved for this agent."
    }
  ]
}

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": {
    "wundervault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@wundervault/mcp-server@2.1.0"
      ],
      "env": {
        "WUNDERVAULT_AGENT_NAME": "<YOUR_WUNDERVAULT_AGENT_NAME>",
        "WUNDERVAULT_AGENT_TOKEN": "<YOUR_WUNDERVAULT_AGENT_TOKEN>"
      }
    }
  }
}

Cline

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

Cline configuration

{
  "mcpServers": {
    "wundervault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@wundervault/mcp-server@2.1.0"
      ],
      "env": {
        "WUNDERVAULT_AGENT_NAME": "<YOUR_WUNDERVAULT_AGENT_NAME>",
        "WUNDERVAULT_AGENT_TOKEN": "<YOUR_WUNDERVAULT_AGENT_TOKEN>"
      }
    }
  }
}

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": {
    "wundervault-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@wundervault/mcp-server@2.1.0"
      ],
      "env": {
        "WUNDERVAULT_AGENT_NAME": "<YOUR_WUNDERVAULT_AGENT_NAME>",
        "WUNDERVAULT_AGENT_TOKEN": "<YOUR_WUNDERVAULT_AGENT_TOKEN>"
      }
    }
  }
}

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": {
    "wundervault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@wundervault/mcp-server@2.1.0"
      ],
      "env": {
        "WUNDERVAULT_AGENT_NAME": "<YOUR_WUNDERVAULT_AGENT_NAME>",
        "WUNDERVAULT_AGENT_TOKEN": "<YOUR_WUNDERVAULT_AGENT_TOKEN>"
      }
    }
  }
}

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