# Firefly III MCP Server

> Use this tool when you need to integrate personal finance management into AI-powered applications, enabling programmatic access to accounts, transactions, and budgets through natural language inputs. It solves problems related to automating financial tasks, such as tracking expenses and creating budgets, and provides outputs in a machine-readable format. It is ideal for use cases where AI assistants need to interact with financial data, such as voice-controlled personal finance management or automated budgeting.

Canonical page: https://skillsregistry.net/skills/horsfallnathan-firefly-iii-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/horsfallnathan-firefly-iii-mcp-server

## Description

A Model Context Protocol server that provides programmatic access to Firefly III personal finance management. It enables AI assistants to manage accounts, transactions, budgets, and more through natural language.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/gxyb2hkp41)
- **Repository:** <https://github.com/horsfallnathan/firefly-iii-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "horsfallnathan-firefly-iii-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/horsfallnathan-firefly-iii-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/horsfallnathan-firefly-iii-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt