Koskamo

Two-Key MCP

Two-Key is an open-source authorization proxy for MCP servers that enforces dual-path security before tool execution. It requires approval from both a deterministic policy engine and one or more independent AI judges. The system issues single-use capability tokens, maintains an encrypted audit ledger, and integrates with existing security scanners and SIEM tools to ensure agents cannot act without explicit, verified consent.

Package and access

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

Two-Key MCP logo, by Insomniac-VibeLabsCommunity listingLocal stdioSource reviewed; not executedPublished by Insomniac-VibeLabs
Vendor documentation

What you can do with it

  • Enforce dual-approval for AI agent tool calls
  • Integrate with existing antivirus or DLP scanners
  • Export audit logs to SIEM for security monitoring
  • Review and sign MCP tool specifications

Source and maintenance

Community listingRegistry 0.8.0
mcp-registry: io.github.Insomniac-VibeLabs/two-key@0.8.0Source repositoryProject website
Maintenance checked

Packages and installation

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

two-key 0.8.0

pypi
two-key package definition
{
  "version": "0.8.0",
  "transport": "stdio",
  "identifier": "two-key",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp-proxy"
    },
    {
      "name": "--config",
      "type": "named",
      "format": "filepath",
      "valueHint": "proxy.yaml",
      "isRequired": true,
      "description": "The proxy's YAML config, which names the upstream MCP server Two-Key guards (docs/HOWTO.md)"
    }
  ]
}

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": {
    "two-key-mcp": {
      "command": "uvx",
      "args": [
        "two-key==0.8.0",
        "mcp-proxy"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "two-key-mcp": {
      "command": "uvx",
      "args": [
        "two-key==0.8.0",
        "mcp-proxy"
      ]
    }
  }
}

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": {
    "two-key-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "two-key==0.8.0",
        "mcp-proxy"
      ]
    }
  }
}

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": {
    "two-key-mcp": {
      "command": "uvx",
      "args": [
        "two-key==0.8.0",
        "mcp-proxy"
      ]
    }
  }
}

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