Blitz MCP Server

Give AI agents full control over iOS/macOS development via a native macOS app with 30+ MCP tools.

Local serverstdioPython

What is the Blitz MCP server?

Blitz MCP server exists for a simple reason — assistants are far more useful when they can act on Blitz directly instead of describing what you should do. Give AI agents full control over iOS/macOS development via a native macOS app with 30+ MCP tools.

What you get

Native macOS App Store Connect tool with MCP. Submit iOS apps, manage IAPs, and automate App Store submission with AI agents.

What the assistant can call

Once Blitz is connected, these are the calls the assistant has available:

  • Auth — sign-up/sign-in users in with Google, GitHub, Discord, or email/password
  • Database — store and query your app's data with row-level security so users only see their own
  • Mac — 1280×800, 1440×900, 2560×1600, or 2880×1800
  • Features — The Features tool exposed by this server
  • Screenshots — Upload all required device sizes across locales
  • TestFlight — Add testers, manage builds

Configuration and credentials

You will need one environment variable: BLITZ_ASCD_PATH. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Setting it up

Installation goes through your MCP client rather than a global install: point it at teenybase on npm and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.

Choosing this one

Among the team communication options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Blitz's toolset — Auth, Database, Mac and 3 more — is a fair guide to whether it matches your workflow. It is maintained by blitzdotdev; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the blitz mcp server does with a few real requests.

Available tools

ToolWhat it does
Authsign-up/sign-in users in with Google, GitHub, Discord, or email/password
Databasestore and query your app's data with row-level security so users only see their own
Mac1280×800, 1440×900, 2560×1600, or 2880×1800
FeaturesThe Features tool exposed by this server.
ScreenshotsUpload all required device sizes across locales
TestFlightAdd testers, manage builds

How to install the Blitz MCP server

{
  "mcpServers": {
    "blitz": {
      "command": "npx",
      "args": ["-y", "teenybase"],
      "env": {
        "BLITZ_ASCD_PATH": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
BLITZ_ASCD_PATHFilesystem location the server is allowed to use.Optional

Example prompts to try

  • Use Blitz to Auth.
  • Use Blitz to Database.
  • Use Blitz to Mac.

Frequently asked questions

It connects Blitz to MCP-compatible AI assistants such as Claude and Cursor, exposing 6 tools (Auth, Database, Mac, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Blitz directly.