Mcp Firefly Iii

Overview

Mcp Firefly Iii is a security-first, self-hosted MCP server that connects AI assistants directly to Firefly III, your personal finance platform. It exposes 152 operations across 5 scoped tools, letting Claude, Cursor, VS Code, and other MCP clients manage your finances programmatically without leaving your workflow.

Install locally via npx -y @yakupemreyerli/firefly-mcp and configure with FIREFLY_API_URL and FIREFLY_API_TOKEN environment variables. The server runs on your machine, communicates over stdio, and handles authentication through API key. Version v1.1.2 is available now under the MIT license, with full source code at YakupEmreYerli/mcp-firefly-iii on GitHub.

Mcp Firefly Iii belongs in the AI & Agents category on mcp.site and works with Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and other MCP-compatible clients. If you maintain this server, claim your listing to earn the Verified badge and keep information current.

Installation

// claude_desktop_config.json
{
  "mcpServers": {
    "mcp_firefly_iii": {
      "command": "npx",
      "args": [
        "-y",
        "@yakupemreyerli/firefly-mcp"
      ],
      "env": {
        "FIREFLY_API_URL": "<firefly-api-url>",
        "FIREFLY_API_TOKEN": "<firefly-api-token>"
      }
    }
  }
}

Requires FIREFLY_API_URL, FIREFLY_API_TOKEN