Macos MCP Server

@cyanheads/macos-mcp-server Control macOS system settings, apps, windows, audio, displays, screenshots, and Focus mode via MCP. STDIO or Streamable HTTP. Its 40 documented tools cover macos, manage, control, frontmost.

People who work with macos, manage and control and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-22 · ★ 3 · VERIFIED 2026-09-18

Apache-2.0 · TypeScript servers · how we verify → /methodology

01 · Install Macos MCP Server

before you install - you'll need

Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, MACOS_DISPLAY_LAYOUTS before connecting.

Claude Code

claude mcp add cyanheads-macos-mcp-server -- npx -y @cyanheads/macos-mcp-server

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "cyanheads-macos-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/macos-mcp-server"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license Apache-2.0 - declared in the repository

npm package @cyanheads/macos-mcp-server - published under the repo owner's npm scope (@cyanheads)

registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner

03 · What Macos MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can list, launch, quit, force-quit, hide, or show applications, list, focus, move, resize, move_resize, minimize, fullscreen, or close windows, get or set system output volume (0–100) and mute state, and list audio devices, get current defaults, or switch the default input/output device.

Capability map

Tools grouped from the project's README - what Macos MCP Server lets an agent do.

Macos

13 tools - e.g. System snapshot: battery level and charging status, power source, Wi-Fi SSID, hostname, macOS version, uptime, and display count; Reports Accessibility, Screen Recording, Automation > Finder, and…

macos_get_info · macos_check_permissions · macos_manage_apps · macos_manage_windows · macos_control_volume · macos_control_audio…

read & search

3 tools - e.g. all running user-facing apps with name, bundle ID, PID, visible, and frontmost flags; returns current output volume (0–100) and mute state; POSIX paths of selected items; requires Automation > Finder…

list · get · get_selection

Frontmost

2 tools - e.g. name, bundle ID, PID, and frontmost window title of the active app; POSIX path of the active Finder window, or null when no window is open; no permissions required

frontmost · frontmost_path

update

2 tools - e.g. reposition a window by top-left coordinate; accepts level (0–100), muted (true/false), or both; setting level=0 does not mute

move · set

Resize

2 tools - e.g. change a window's width and height; set position and size in one call

resize · move_resize

Accessibility

1 tool - e.g. required for window manipulation (move, resize, minimize, fullscreen, close), app hide/show

Accessibility

Notifications

1 tool - e.g. always granted (osascript notifications bypass Do Not Disturb)

Notifications

Launch

1 tool - e.g. open or activate an app by name or bundle ID; hidden=true starts in the background

launch

Latest releases

v0.1.5 · 2026-08-22

mcp-ts-core 0.12.3, battery/display parsing fixes · mcp-ts-core crosses the 0.12.0 SDK-v2 window: strict tool inputs (additionalProperties: false), 2020-12 JSON Schema, an outputSchema that declares the error envelope…

v0.1.4 · 2026-06-13

mcp-ts-core 0.10.6 adoption and semantic error codes · Framework refresh with a corrected JSON-RPC error contract on the macOS tools and new release/bundle tooling. · Dependency bumps: · @cyanheads/mcp-ts-core ^0.9.9 →…

v0.1.3 · 2026-05-26

scripts migrated to bun run, funding config, npm badge, tsx removed · Maintenance pass to align with ecosystem conventions. · Changed: · Scripts migrated from tsx scripts/.ts to bun run scripts/.ts; start scripts use…

04 · Who maintains Macos MCP Server

macos-mcp-server is maintained by cyanheads. We track 125 MCP servers from cyanheads - 119 actively maintained, 1,816 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.

  1. obsidian-mcp-server Read, write, search, and surgically edit Obsidian notes, tags, and frontmatter via MCP. ★ 681
  2. mcp-ts-core Agent-native TypeScript framework for MCP servers. ★ 151
  3. pubmed-mcp-server Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms. ★ 148
  4. git-mcp-server Comprehensive Git MCP server enabling native git tools including clone, commit, worktree, & more. ★ 240
  5. clinicaltrialsgov-mcp-server Search ClinicalTrials.gov - find studies, retrieve results, match patients to eligible trials. ★ 94
  6. ntfy-mcp-server Send, manage, and replay ntfy push notifications via MCP. ★ 22

05 · Facts

category
automation - actively maintained as of 2026-09-18.
release cadence
1 release in the last 90 days (latest 2026-08-22)
registry
io.github.cyanheads/macos-mcp-server (active, first published 2026-05-25 · 4 versions)
packages
npm:@cyanheads/macos-mcp-server · npm:@cyanheads/macos-mcp-server

06 · Macos MCP Server FAQ

Is Macos MCP Server still maintained?

Yes - as of 2026-09-18, its last commit was 2026-08-22 and it shipped 1 release in the last 90 days. We re-verify nightly.

What can Macos MCP Server do?

With this server connected, an agent can list, launch, quit, force-quit, hide, or show applications, list, focus, move, resize, move_resize, minimize, fullscreen, or close windows, get or set system output volume (0–100) and mute state, and list audio devices, get current defaults, or switch the default input/output device.

How do I install Macos MCP Server?

Run `npx -y @cyanheads/macos-mcp-server`. The README documents 3 environment variables (MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, MACOS_DISPLAY_LAYOUTS) to set first. Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, MACOS_DISPLAY_LAYOUTS before connecting. You can also paste the ready-made client config above.

Does Macos MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Macos MCP Server