Fusionauth API MCP Server: Install & Setup

Install Fusionauth API in Claude Code

Claude Code

claude mcp add fusionauth-api -e API_KEY_APIKEYAUTH=... -e API_BASE_URL=... -- npx -y @fusionauth/mcp-api

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

{
  "mcpServers": {
    "fusionauth-api": {
      "command": "npx",
      "args": [
        "-y",
        "@fusionauth/mcp-api"
      ],
      "env": {
        "API_KEY_APIKEYAUTH": "...",
        "API_BASE_URL": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Fusionauth API MCP server do?

Preview release of FusionAuth API MCP server

Is the Fusionauth API 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 Fusionauth API run locally or remotely?

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

How do I add Fusionauth API to Claude Code?

Run: claude mcp add fusionauth-api -e API_KEY_APIKEYAUTH=... -e API_BASE_URL=... -- npx -y @fusionauth/mcp-api

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