JCAppleScript MCP Server

JCAppleScript is an MCP integration. Control macOS apps via AppleScript/JXA: sanitized commands for Messages, Mail, Finder, and more.

Packages and local setup

The published mcpb package is https://github.com/johnnyclem/JCAppleScript/releases/download/v2.0.0/jcas-mcp.mcpb, version 2.0.0. Its declared MCP transport is stdio.

The package declares JCAS_SAFE_MODE: Set to 1 to disable tools that execute arbitrary code (execute_applescript, execute_jxa, tell_application) and registry commands flagged dangerous.; JCAS_APP_MANIFESTS: Colon-separated list of JSON manifest files with additional community app definitions to load at startup..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 2.0.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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