AppContext

创建者

contact@appcontext.dev4 months ago

AppContext is a personal MCP hub for macOS that aggregates all your MCP servers behind one endpoint, plus gives AI coding agents live visual context from your iOS simulator and Chrome browser. Configure MCP servers once, use them in Claude Code, Cursor, Windsurf, or any MCP client. Includes per-tool authorization policies (block, allow, rate-limit).

# mcp-hub

# ios-simulator

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概览

What is AppContext?

AppContext is a personal MCP hub for macOS. It aggregates every MCP server you use behind one endpoint and adds live visual context from your iOS simulator and Chrome browser — so your AI coding agent can actually see what you're building.

Configure your MCP servers once in AppContext. Use them in Claude Code, Cursor, Claude Desktop, Windsurf, or any MCP client. Switch between AI tools without reconfiguring anything.

Features

MCP Hub: Aggregate any number of MCP servers (stdio or SSE) behind one endpoint. One-click import from Claude Code, Cursor, and Claude Desktop configs.
Live View: Screenshots of your iOS simulator or Chrome browser on demand, via the fetch_liveview tool.
Log streaming: Metro bundler logs for React Native/Expo (fetch_recent_logs) and browser console output (fetch_web_console).
Authorization policies: Block or allow specific tools per server, set rate limits, or switch servers into allowlist-only mode.
Zero-config auto-discovery: AppContext runs at localhost:7777 and auto-connects to supporting clients.

Install

Download AppContext (universal macOS DMG) from appcontext.dev
Drag to Applications, open — a menu bar icon appears
Sign in (magic link email, no password)
Add the MCP server config below to your AI tool

Connect your AI tool

Paste this into your MCP client config:

```json { "mcpServers": { "appcontext": { "url": "http://localhost:7777/sse", "type": "sse" } } } ```

Or, for Claude Code:

``` claude mcp add appcontext --transport sse http://localhost:7777/sse ```

Tools exposed

fetch_liveview — PNG screenshot of current platform (iOS simulator or Chrome tab)
fetch_recent_logs — Metro bundler log stream
fetch_web_console — Chrome console logs
switch_platform — flip between iOS and web
get_browser_tabs — list open Chrome tabs for selection
hub_status — inspect upstream MCP servers and their tools
hub_call — call a tool on a specific upstream server
hub_policies — manage authorization policies

Pricing

Free tier includes the full MCP Hub. Pro ($9.99/mo or $99/yr) unlocks Live View, log streaming, and advanced policies.

服务器配置

{
  "mcpServers": {
    "appcontext": {
      "url": "http://localhost:7777/sse",
      "type": "sse"
    }
  }
}

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