@flaggr/mcp-server

Model Context Protocol (MCP) server for Flaggr — manage feature flags from AI assistants like Claude, Cursor, and VS Code Copilot.

Installation

npm install -g @flaggr/mcp-server

Claude Desktop Configuration

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "flaggr": {
      "command": "npx",
      "args": ["@flaggr/mcp-server"],
      "env": {
        "FLAGGR_API_URL": "https://flaggr.dev",
        "FLAGGR_API_TOKEN": "flg_your_token"
      }
    }
  }
}

Tools (19)

| Tool | Description | |------|-------------| | list_projects | List all projects | | get_project | Get project details | | list_services | List services in a project | | list_flags | List flags for a service | | get_flag | Get flag configuration | | create_flag | Create a new flag | | update_flag | Update flag settings | | toggle_flag | Enable/disable a flag | | delete_flag | Delete a flag | | create_targeting_rule | Add targeting rule | | delete_targeting_rule | Remove targeting rule | | create_override | Create context override | | delete_override | Remove override | | get_flag_health | Flag health score | | get_flag_impact | Pre-change impact analysis | | create_experiment | Set up A/B test | | list_experiments | List experiments | | get_experiment | Get experiment details | | stop_experiment | End an experiment |

Resources (3)

• flaggr://projects — All projects
• flaggr://project/{slug}/flags — Flags for a project
• flaggr://flag/{key}/health — Flag health score

Prompts (3)

• gradual_rollout — Plan a staged percentage rollout
• ab_test_setup — Design an A/B test experiment
• targeting_strategy — Build targeting rules for a use case

Environment Variables

| Variable | Required | Description | |----------|----------|-------------| | FLAGGR_API_URL | Yes | Flaggr instance URL | | FLAGGR_API_TOKEN | Yes | API token with appropriate scopes |

Documentation

• MCP integration guide
• API tokens