Requires Node 18+ on your system so npx can fetch the package on first run. Claude Code persists MCP servers via its CLI — no config file to edit, just run the command below once. Paste the config below, then follow the reload step to register @daften/fireflyiii-mcp.
Run the command below in your terminal — Claude Code persists it for you.claude mcp add fireflyiii --env FIREFLY_URL=https://your-firefly-instance.example.com --env FIREFLY_TOKEN=your-personal-access-token-here -- npx -y @daften/fireflyiii-mcp