io.github.YakupEmreYerli/mcp-firefly-iii

Security-first, self-hosted MCP server for Firefly III — 152 operations behind 5 scoped tools.

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp-firefly-iii": {
      "command": "npx",
      "args": [
        "-y",
        "@yakupemreyerli/firefly-mcp@1.1.2"
      ],
      "env": {
        "FIREFLY_API_URL": "<your FIREFLY_API_URL>",
        "FIREFLY_API_TOKEN": "<your FIREFLY_API_TOKEN>"
      }
    }
  }
}

Environment variables

FIREFLY_API_URLrequiredYour Firefly III instance URL (a bare domain, or a full base URL including /api/v1)
FIREFLY_API_TOKENrequiredsecretFirefly III Personal Access Token (Options → Profile → OAuth → Create New Personal Access Token)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category: Developer Tools
Version: 1.1.2
Registry: active
Published: 8/30/2026

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