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swift-mcp-gui: Instructions file for Claude Code

CLAUDE.md

swift-mcp-gui CLAUDE.md is an instructions file for Claude Code from NakaokaRei/swift-mcp-gui. It costs 608 tokens per session, scanned A, original, MIT.

Project instructions for building and running a macOS app that lets an agent control the graphical interface through the Model Context Protocol, a standard way for software tools to communicate with AI agents.

In plain words
What is it for?
Use it when developing or releasing the Swift app, running its executable, managing dependencies, or working with mouse, keyboard, scrolling, screen-size, and pixel-color controls.
Why use it?
It gives developers the commands and project structure needed to build, release, install, update, and clean the app consistently.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is NakaokaRei/swift-mcp-gui's own configuration. It tells Claude Code how to work on swift-mcp-gui itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything swift-mcp-gui configures →

not rated 61repo 10d ago A scan 608 tokens original MIT
View source ↗ NakaokaRei/swift-mcp-gui
Reuse

Borrowing it

Nothing to install: this file belongs to NakaokaRei/swift-mcp-gui. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/NakaokaRei/swift-mcp-gui/master/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/NakaokaRei/swift-mcp-gui

Made for: Claude Code.

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Per session 608 This file is loaded in full into every session.
When invoked 608 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00608 $0.00608
Opus 5 $0.00304 $0.00304
Sonnet 5 $0.00122 $0.00122
Haiku 4.5 $0.00061 $0.00061

Measured 10d ago against content hash 9f8777faceca, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

swift-mcp-gui CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Build and Development Commands

This is a Swift Package Manager project for macOS GUI automation via MCP (Model Context Protocol).

# Build the project
swift build

# Build for release (optimized)
swift build -c release

# Run the executable
swift run swift-mcp-gui

# Install the executable system-wide (experimental)
swift package experimental-install

# Uninstall the executable
swift package experimental-uninstall swift-mcp-gui

# Reinstall (uninstall then install) - Run this after implementing new features
swift package experimental-uninstall swift-mcp-gui && swift package experimental-install

# Clean build artifacts
swift package clean

# Update dependencies
swift package update

Architecture Overview

This project implements an MCP server that provides GUI automation capabilities for macOS through these tools:

  • moveMouse: Move cursor to x,y coordinates
  • mouseClick: Perform mouse clicks (left/right)
  • scroll: Scroll in any direction
  • sendKeys: Send keyboard shortcuts
  • getScreenSize: Get the display dimensions
  • getPixelColor: Get color of a pixel at x,y
  • captureScreen: Capture full screen as base64 PNG
  • captureRegion: Capture a region as base64 PNG
  • saveScreenshot: Save screenshot to file

Key Components

  • main.swift: MCP server initialization and startup
  • Server+Extension.swift: Extends MCP Server with waitForDisconnection() to keep the server running
  • ToolRegistry.swift: Manages tool registration and execution
  • Tools/:
    • Mouse/: Mouse control tools (moveMouse, mouseClick)
    • Screen/: Screen capture and scroll tools
    • Keyboard/: Keyboard input tools (sendKeys)

Dependencies

Read the full file on GitHub · 79 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 79 lines · 608 tokens per session scan A 9f8777faceca

Subscribe to this mod's changes

swift-mcp-gui CLAUDE.md is an instructions file published in the GitHub repository NakaokaRei/swift-mcp-gui (61 stars, last pushed 10d ago), licensed MIT. It adds 608 tokens to every session, about $0.0030 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

automationmcpmcp-serverswift
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