LaunchFlag MCP Server: Install & Setup

Install LaunchFlag in Claude Code

Remote URL

Claude Code

claude mcp add --transport http launchflag https://launchflag.dev/api/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "launchflag": {
      "url": "https://launchflag.dev/api/mcp"
    }
  }
}

npm

Claude Code

claude mcp add launchflag -e LAUNCHFLAG_TOKEN=... -- npx -y launchflag-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "launchflag": {
      "command": "npx",
      "args": [
        "-y",
        "launchflag-mcp"
      ],
      "env": {
        "LAUNCHFLAG_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the LaunchFlag MCP server do?

Feature flags and kill switches. Turn a shipped feature off in production without a deploy.

Is the LaunchFlag MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does LaunchFlag run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add LaunchFlag to Claude Code?

Run: claude mcp add --transport http launchflag https://launchflag.dev/api/mcp

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