Adolfo Reyna
123 lines
3.4 KiB
Markdown
123 lines
3.4 KiB
Markdown
# MacMini MCP
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A local Model Context Protocol server that exposes selected macOS app actions to
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an AI harness. It uses Apple's scripting interfaces through `/usr/bin/osascript`
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and stays on the local machine.
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## Available tools
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| Tool | Action |
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| --- | --- |
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| `notes_list` | Search notes; returns titles and metadata unless previews are explicitly requested |
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| `notes_read` | Read a note by the ID returned by `notes_list` |
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| `notes_create` | Create a plaintext-backed note |
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| `calendar_list_calendars` | List calendar indexes, names, and write capability |
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| `calendar_list_events` | List events in an ISO-8601 time window from the focused `Home` calendar |
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| `calendar_create_event` | Create an event in the focused `Home` calendar |
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| `reminders_list_lists` | List reminder lists |
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| `reminders_list` | List reminders |
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| `reminders_create` | Create a reminder |
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There are no destructive tools in the initial server.
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Calendar names can repeat across accounts. This server is focused on the
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event-rich `Home` calendar discovered during setup (`calendarIndex: 2`) and
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verifies the selected index is still named `Home` before operating on it.
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Calendar selector parameters remain available as advanced overrides.
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## Setup
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Requires macOS and Node.js 20 or newer.
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```sh
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npm install
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npm run check
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npm run service:install
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```
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The service defaults to a same-Mac endpoint:
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```text
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http://127.0.0.1:7331/mcp
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```
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Health check:
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```sh
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curl -s http://127.0.0.1:7331/health
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```
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`launchd` runs `node --watch src/http.js`, so edits to the server or imported
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modules cause it to restart automatically while the agent remains installed.
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After changing installed dependencies or service configuration, run:
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```sh
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npm install
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npm run service:install
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```
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Operational commands:
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```sh
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npm run service:status
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npm run service:restart
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npm run service:uninstall
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```
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Service logs are stored in `.logs/`.
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## Harness configuration
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For a harness that supports Streamable HTTP, configure the local MCP URL as
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`http://127.0.0.1:7331/mcp`.
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For a trusted local-network harness such as a Raspberry Pi, set
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`MACMINI_MCP_HOST` in `.env` to the Mac's LAN IP and set a strong
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`MACMINI_MCP_TOKEN`. Then configure the remote MCP client with:
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```text
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URL: http://<mac-lan-ip>:7331/mcp
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Authorization: Bearer <MACMINI_MCP_TOKEN>
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```
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Restart after changing `.env`:
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```sh
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npm run service:restart
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```
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For a harness that launches stdio servers, use:
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```json
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{
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"mcpServers": {
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"macmini": {
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"command": "/Users/adolforeyna/.nvm/versions/node/v22.22.0/bin/node",
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"args": ["/Users/adolforeyna/Projects/MacMiniMCP/src/stdio.js"]
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}
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}
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}
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```
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## Permissions and security
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On first use of a Notes, Calendar, or Reminders tool, macOS may ask for
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Automation access for Node. Permit only the applications you want the server
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to control under **System Settings > Privacy & Security > Automation**.
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The HTTP service binds to `127.0.0.1` by default. When configured to bind to a
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LAN address, it refuses to start without `MACMINI_MCP_TOKEN`; clients must send
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`Authorization: Bearer <token>`. This is HTTP bearer authentication on your
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local network, not encrypted transport. Use it only on a trusted LAN or put it
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behind a private encrypted network such as a VPN.
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## Development
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```sh
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npm run check
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npm run dev
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```
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The MCP transport follows the official TypeScript SDK Streamable HTTP server
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approach: [Model Context Protocol TypeScript SDK](https://github.com/modelcontextprotocol/typescript-sdk).
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