Unleash MCP Server: Install & Setup

Install Unleash in Claude Code

Claude Code

claude mcp add unleash -e UNLEASH_BASE_URL=... -e UNLEASH_PAT=... -- npx -y @unleash/mcp

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

{
  "mcpServers": {
    "unleash": {
      "command": "npx",
      "args": [
        "-y",
        "@unleash/mcp"
      ],
      "env": {
        "UNLEASH_BASE_URL": "...",
        "UNLEASH_PAT": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Unleash MCP server do?

MCP server for managing Unleash feature flags

Is the Unleash MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Unleash run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Unleash to Claude Code?

Run: claude mcp add unleash -e UNLEASH_BASE_URL=... -e UNLEASH_PAT=... -- npx -y @unleash/mcp

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