The Firefly III MCP server connects AI agents to Firefly III, a personal finance manager. It exposes tools for retrieving, creating, and updating transactions, accounts, and budgets. It integrates with the Firefly III API to provide observability into personal financial data. Developers use it to build AI-driven financial assistants, automate budget tracking, and analyze spending patterns.
The Firefly III MCP server connects AI agents to Firefly III, a personal finance manager. It exposes tools for retrieving, creating, and updating transactions, accounts, and budgets. It integrates with the Firefly III API to provide observability into personal financial data. Developers use it to build AI-driven financial assistants, automate budget tracking, and analyze spending patterns.
npx -y firefly-iii-mcpAdd this configuration to your claude_desktop_config.json:
{
"mcpServers": {
"etnperlong-firefly-iii-mcp-github": {
"command": "npx",
"args": [
"-y",
"npx -y firefly-iii-mcp"
]
}
}
}Restart Claude Desktop, then ask:
"What tools do you have available from firefly iii mcp?"
API Key Required
This server requires an API key from firefly iii mcp. Add it to your environment or config.
| Variable | Required | Description |
|---|---|---|
| FIREFLY_III_MCP_API_KEY | Yes | Your firefly iii mcp API key |
"What resources are available in firefly iii mcp?"
Claude will query available resources and return a list of what you can access.
"Show me details about [specific item] in firefly iii mcp"
Claude will fetch and display detailed information about the requested item.
"Create a new [item] in firefly iii mcp with [details]"
Claude will use the appropriate tool to create the resource and confirm success.
We build custom MCP integrations for B2B companies. From simple connections to complex multi-tool setups.