How do I install JCAppleScript?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is JCAppleScript official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

JCAppleScript MCP Server | MCPpedia

JCAppleScript MCP Server

Name: JCAppleScript MCP Server
Author: johnnyclem

Control macOS apps via AppleScript/JXA: sanitized commands for Messages, Mail, Finder, and more.

Tools Versions Alternatives

Registryjohnnyclem

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "johnnyclem-jcapplescript": {
      "command": "npx",
      "args": [
        "-y",
        "https://github.com/johnnyclem/JCAppleScript/releases/download/v2.0.0/jcas-mcp.mcpb"
      ],
      "env": {
        "JCAS_SAFE_MODE": "",
        "JCAS_APP_MANIFESTS": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
JCAS_SAFE_MODE	No	Set to 1 to disable tools that execute arbitrary code (execute_applescript, execute_jxa, tell_application) and registry commands flagged dangerous.
JCAS_APP_MANIFESTS	No	Colon-separated list of JSON manifest files with additional community app definitions to load at startup.

JCAppleScript MCP Server

Install

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Environment

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