Other · Local MCP server
JCAppleScript
Control macOS apps via AppleScript/JXA: sanitized commands for Messages, Mail, Finder, and more.
What the MCP Registry states
The entry as published to the official MCP Registry (read 2026-10-04), latest version.
- Registry name
io.github.johnnyclem/jcas-mcp- Version
- 2.0.0
- Status
- Active
- Category
- other
- Transport
- stdio (local process)
- Package
- MCP Bundle (.mcpb)
- Published
- 2026-08-28
- Updated
- 2026-08-28
- Publisher
- johnnyclem (GitHub)
- Website
- github.com/johnnyclem/JCAppleScript
- Repository
- github.com/johnnyclem/JCAppleScript
- Source
- Registry API entry
Packages
| Registry | Package | Version | Transport |
|---|---|---|---|
| MCP Bundle (.mcpb) | https://github.com/johnnyclem/JCAppleScript/releases/download/v2.0.0/jcas-mcp.mcpbSHA-256 checksum stated | 2.0.0 | stdio |
How to connect JCAppleScript
JCAppleScript runs locally from an MCP Bundle: a single downloadable archive holding a local server and a manifest that describes it: https://github.com/johnnyclem/JCAppleScript/releases/download/v2.0.0/jcas-mcp.mcpb version 2.0.0. It speaks MCP over stdio, so the client starts it as a program and talks to it through standard input and output. It needs a client that installs MCP Bundles; the file is opened in, or added to, that client. It reads these environment variables: JCAS_SAFE_MODE and JCAS_APP_MANIFESTS; set them in the client's configuration for this server.
Derived from the registry entry, not tested here. What the server does, and on what terms, is set by its publisher; check its repository or website before giving it access to your accounts or files. How to add an MCP server to an assistant · Before you connect
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