firefly-iii-universal-bridge

firefly-iii-universal-bridge is a plugin for Gemini CLI from fabianonetto/mcp-server-firefly-iii. Its token cost is not measured, scanned A, original, MIT.

A bridge between an AI assistant and Firefly III, an application for tracking personal finances. It provides tools that connect to a configured Firefly III server using its URL and an access token.

In plain words
What is it for?
Use it for assistant-driven work with a Firefly III finance instance. The available description confirms a broad tool bridge, but does not specify each tool’s individual job.
Why use it?
It avoids having to build a separate connection for an assistant to work with data held in a Firefly III installation.

Plugin for Gemini CLI

Written for Gemini CLI: a Gemini CLI extension manifest.

Good fit Use it for assistant-driven work with a Firefly III finance instance. The available description confirms a broad tool bridge, but does not specify each tool’s individual job.

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Install with agentmods
npx agentmods add plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/fabianonetto/mcp-server-firefly-iii

Made for: Gemini CLI.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for firefly-iii-universal-bridge

README.md
[![agentmods](https://agentmods.dev/badge/plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension/github.svg)](https://agentmods.dev/plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension)
Your own site
<a href="https://agentmods.dev/plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension"><img src="https://agentmods.dev/badge/plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for firefly-iii-universal-bridge

Your own site · 80×15
<a href="https://agentmods.dev/plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension"><img src="https://agentmods.dev/badge/plugins/fabianonetto/mcp-server-firefly-iii/gemini-extension.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

firefly-iii-universal-bridge scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

gemini-extension.json · 26 lines

What it actually says

{
  "name": "firefly-iii-universal-bridge",
  "version": "3.0.0",
  "description": "Exhaustive AI Bridge for Firefly III with 66 tools for full finance mastery.",
  "mcpServers": {
    "firefly": {
      "command": "node",
      "args": ["${extensionPath}/index.js"]
    }
  },
  "settings": [
    {
      "name": "Firefly III URL",
      "description": "The base URL of your Firefly III instance.",
      "envVar": "FIREFLY_URL",
      "default": "http://localhost:8080"
    },
    {
      "name": "Personal Access Token",
      "description": "Your Personal Access Token from Firefly III.",
      "envVar": "FIREFLY_TOKEN",
      "sensitive": true
    }
  ]
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 26 lines scan A 2bd29f03359c

Subscribe to this mod's changes

firefly-iii-universal-bridge is a plugin published in the GitHub repository fabianonetto/mcp-server-firefly-iii (23 stars, last pushed 4d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-22.