buildtree

Upload an .apk or .ipa and get an install link and QR code your testers open on their phone. A folder for every branch, iOS ad hoc installs with device registration, and tester feedback with screenshots. Works with Expo, React Native, Flutter and native apps, from the dashboard, a CLI, CI or an AI coding agent. Free tier; paid plans from $9 a month.

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Documentation

buildtree MCP server

MCP server for buildtree, the fastest way to share Android and iOS builds with testers. Let your AI coding agent set up buildtree for your app, run the build, upload the .apk or .ipa, and hand you an install link and QR code to share. It can also read the feedback and screenshots testers send back.

Works with Expo, React Native, Flutter, and native Android and iOS apps, in Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor and Windsurf.

"Set up buildtree for this app and give me a QR code for an Android build."

Install

Claude Code

claude mcp add --transport stdio buildtree -- npx -y @buildtree/mcp

Claude Desktop: download buildtree-mcp-<version>.mcpb from the latest release and double-click it. Or add the JSON below to claude_desktop_config.json.

Codex CLI (~/.codex/config.toml)

[mcp_servers.buildtree]
command = "npx"
args = ["-y", "@buildtree/mcp"]
tool_timeout_sec = 1800

Gemini CLI, Cursor, Windsurf, Claude Desktop (JSON)

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

Requires Node 20 or later.

Tools

Tool	What it does
`buildtree_whoami`	Account, organization and plan
`buildtree_login`, `buildtree_login_status`	Browser login, shared with the buildtree CLI
`buildtree_list_projects`, `buildtree_create_project`	One project per app
`buildtree_detect_project`	Detects Expo, React Native, Flutter or native and suggests build commands
`buildtree_write_config`	Writes `buildtree.config.json`
`buildtree_build`	Runs the build with progress updates
`buildtree_upload`	Uploads the build; returns install links and a QR code image
`buildtree_list_builds`, `buildtree_get_install_links`	Browse builds, get links and QR for any build
`buildtree_list_feedback`	Tester feedback with screenshots

Resources: buildtree://guide (the workflow) and buildtree://frameworks/{expo|react-native|flutter|android|ios} (build recipes). Prompt: setup.

Sign in

The first time, your agent opens a browser page where you approve the connection. The login is stored where the buildtree CLI keeps its own, so either can sign in for both. In CI, set BUILDTREE_TOKEN to an API token from the buildtree dashboard. Tokens never appear in tool output.