Koskamo

Ventriloquist MCP

Ventriloquist MCP allows AI agents to interact with macOS applications by replaying approved user steps via the accessibility API. It converts Mac apps into callable tools without using screenshots or vision models, reducing token usage and improving reliability for tasks like file management and document editing.

Package and access

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

Ventriloquist MCP logo, by ShaanGSCommunity listingLocal stdioSource reviewed; not executedPublished by ShaanGS
You need:Needs macOS and uv ( brew install uv ).uv tool install ventriloquist-mcp
Vendor documentation

What you can do with it

  • Drive TextEdit to write and read documents via accessibility API
  • Sort test emails in Outlook by replaying recorded steps
  • Integrate with Claude Desktop, Cursor, or Codex CLI as an MCP server

Source and maintenance

Community listingRegistry 0.3.1
mcp-registry: io.github.ShaanGS/ventriloquist@0.3.1Source repository
Maintenance checked

Packages and installation

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

ventriloquist-mcp 0.3.1

pypiuvx
ventriloquist-mcp package definition
{
  "version": "0.3.1",
  "transport": "stdio",
  "identifier": "ventriloquist-mcp",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "VENT_ALLOW_HIGH",
      "format": "string",
      "description": "Set to 1 to run tools a pack marks as high risk without asking. Without it, they're offered only to clients that can ask you to confirm each call (MCP elicitation)."
    },
    {
      "name": "VENT_HEAL",
      "format": "string",
      "description": "Set to 1 to let the server call a model to re-ground broken anchors. Off keeps serving model-free."
    },
    {
      "name": "VENT_HOME",
      "format": "string",
      "description": "Directory for your own packs and traces. Defaults to ~/.ventriloquist."
    },
    {
      "name": "VENT_READ_ONLY",
      "format": "string",
      "description": "Set to 1 to serve read-only tools only. Every other call is refused, even with VENT_ALLOW_HIGH."
    },
    {
      "name": "VENT_NO_VALUES",
      "format": "string",
      "description": "Set to 1, together with VENT_HEAL=1, to keep field values out of what the healer sends to the model."
    }
  ]
}

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": {
    "ventriloquist-mcp": {
      "command": "uvx",
      "args": [
        "ventriloquist-mcp==0.3.1"
      ],
      "env": {
        "VENT_ALLOW_HIGH": "<YOUR_VENT_ALLOW_HIGH>",
        "VENT_HEAL": "<YOUR_VENT_HEAL>",
        "VENT_HOME": "<YOUR_VENT_HOME>",
        "VENT_READ_ONLY": "<YOUR_VENT_READ_ONLY>",
        "VENT_NO_VALUES": "<YOUR_VENT_NO_VALUES>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "ventriloquist-mcp": {
      "command": "uvx",
      "args": [
        "ventriloquist-mcp==0.3.1"
      ],
      "env": {
        "VENT_ALLOW_HIGH": "<YOUR_VENT_ALLOW_HIGH>",
        "VENT_HEAL": "<YOUR_VENT_HEAL>",
        "VENT_HOME": "<YOUR_VENT_HOME>",
        "VENT_READ_ONLY": "<YOUR_VENT_READ_ONLY>",
        "VENT_NO_VALUES": "<YOUR_VENT_NO_VALUES>"
      }
    }
  }
}

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": {
    "ventriloquist-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "ventriloquist-mcp==0.3.1"
      ],
      "env": {
        "VENT_ALLOW_HIGH": "<YOUR_VENT_ALLOW_HIGH>",
        "VENT_HEAL": "<YOUR_VENT_HEAL>",
        "VENT_HOME": "<YOUR_VENT_HOME>",
        "VENT_READ_ONLY": "<YOUR_VENT_READ_ONLY>",
        "VENT_NO_VALUES": "<YOUR_VENT_NO_VALUES>"
      }
    }
  }
}

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": {
    "ventriloquist-mcp": {
      "command": "uvx",
      "args": [
        "ventriloquist-mcp==0.3.1"
      ],
      "env": {
        "VENT_ALLOW_HIGH": "<YOUR_VENT_ALLOW_HIGH>",
        "VENT_HEAL": "<YOUR_VENT_HEAL>",
        "VENT_HOME": "<YOUR_VENT_HOME>",
        "VENT_READ_ONLY": "<YOUR_VENT_READ_ONLY>",
        "VENT_NO_VALUES": "<YOUR_VENT_NO_VALUES>"
      }
    }
  }
}

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