LaunchDarkly MCP Server

Official LaunchDarkly MCP server for feature management. Lets AI agents create and toggle feature flags, manage targeting rules and segments, and inspect flag status across environments. Useful for progressive delivery, kill switches, experimentation, and automating flag lifecycle from an AI assistant.

{
  "mcpServers": {
    "launchdarkly": {
      "command": "npx",
      "args": [
        "-y",
        "@launchdarkly/mcp-server"
      ],
      "env": {
        "LAUNCHDARKLY_API_KEY": "<YOUR_LAUNCHDARKLY_API_KEY>"
      }
    }
  }
}

{
  "type": "object",
  "required": [
    "project_key"
  ],
  "properties": {
    "project_key": {
      "type": "string",
      "description": "LaunchDarkly project key"
    }
  }
}

{
  "type": "object",
  "required": [
    "flag_key",
    "environment",
    "enabled"
  ],
  "properties": {
    "enabled": {
      "type": "boolean",
      "description": "Whether the flag should be on"
    },
    "flag_key": {
      "type": "string",
      "description": "Feature flag key"
    },
    "environment": {
      "type": "string",
      "description": "Environment key"
    }
  }
}