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LaunchFlag

Official registry Cloud and DevOps

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

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http launchflag 'https://launchflag.dev/api/mcp' --header 'Authorization: <Bearer lfk_… API token from the LaunchFlag dashboard Install page.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "launchflag": {
            "type": "http",
            "url": "https://launchflag.dev/api/mcp",
            "headers": {
                "Authorization": "<Bearer lfk_… API token from the LaunchFlag dashboard Install page.>"
            }
        }
    }
}
NPM package launchflag-mcp
Claude Code 
claude mcp add launchflag -e 'LAUNCHFLAG_TOKEN=<your launchflag_token>' -e 'LAUNCHFLAG_URL=<LAUNCHFLAG_URL>' -- npx -y launchflag-mcp@0.2.7
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "launchflag": {
            "command": "npx",
            "args": [
                "-y",
                "launchflag-mcp@0.2.7"
            ],
            "env": {
                "LAUNCHFLAG_TOKEN": "<your launchflag_token>",
                "LAUNCHFLAG_URL": "<LAUNCHFLAG_URL>"
            }
        }
    }
}

Environment variables

  • LAUNCHFLAG_TOKEN required secret API token from the LaunchFlag dashboard Install page.
  • LAUNCHFLAG_URL Base URL. Defaults to https://launchflag.dev.

Frequently asked questions

What is LaunchFlag?

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

How do I install LaunchFlag?

It runs as a remote server. In Claude Code: claude mcp add --transport http launchflag 'https://launchflag.dev/api/mcp' --header 'Authorization: <Bearer lfk_… API token from the LaunchFlag dashboard Install page.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does LaunchFlag need an API key?

Yes. It expects LAUNCHFLAG_TOKEN, Authorization, which you set in its configuration.

Who maintains LaunchFlag?

It is published by dev.launchflag. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.