actual-budget

actual-budget is a plugin for Gemini CLI from henfrydls/actual-budget-mcp. Its token cost is not measured, scanned A, original, MIT.

A plugin that connects a coding assistant to Actual Budget, a self-hosted budgeting application, so you can ask about spending and make guarded changes. Destructive deletions are previewed and require confirmation.

In plain words
What is it for?
Use it to investigate where money went and to make supported Actual Budget updates, with server and budget credentials configured.
Why use it?
It reduces the need to inspect the budget manually while adding a confirmation step before data is destroyed.

Plugin for Gemini CLI

Written for Gemini CLI: a Gemini CLI extension manifest.

Good fit Use it to investigate where money went and to make supported Actual Budget updates, with server and budget credentials configured.

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Install with agentmods
npx agentmods add plugins/henfrydls/actual-budget-mcp/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/henfrydls/actual-budget-mcp

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 actual-budget

README.md
[![agentmods](https://agentmods.dev/badge/plugins/henfrydls/actual-budget-mcp/gemini-extension/github.svg)](https://agentmods.dev/plugins/henfrydls/actual-budget-mcp/gemini-extension)
Your own site
<a href="https://agentmods.dev/plugins/henfrydls/actual-budget-mcp/gemini-extension"><img src="https://agentmods.dev/badge/plugins/henfrydls/actual-budget-mcp/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 actual-budget

Your own site · 80×15
<a href="https://agentmods.dev/plugins/henfrydls/actual-budget-mcp/gemini-extension"><img src="https://agentmods.dev/badge/plugins/henfrydls/actual-budget-mcp/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

actual-budget 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 2d ago.

The scan reads gemini-extension.json. This mod also ships 1 executable file (scripts/seed-demo-budget.mjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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 · 41 lines

What it actually says

{
  "name": "actual-budget",
  "version": "0.9.0",
  "description": "Ask your Actual Budget where the money went, and let it write back safely: every delete previews first and asks before it destroys anything.",
  "settings": [
    {
      "name": "Actual server URL",
      "description": "Where your Actual Budget server is reachable, for example http://localhost:5006",
      "envVar": "ACTUAL_SERVER_URL"
    },
    {
      "name": "Server password",
      "description": "The password for your Actual server. Leave empty if your server uses OIDC and you set a session token instead.",
      "envVar": "ACTUAL_PASSWORD",
      "sensitive": true
    },
    {
      "name": "Budget Sync ID",
      "description": "Actual shows this under Settings > Show advanced settings. It is the Sync ID, not the Budget ID shown above it — the two look alike and only the Sync ID works.",
      "envVar": "ACTUAL_BUDGET_ID"
    },
    {
      "name": "Session token (OIDC servers only)",
      "description": "For servers behind OIDC, which have no password. Use this instead of the password; if both are set, the token wins.",
      "envVar": "ACTUAL_SESSION_TOKEN",
      "sensitive": true
    },
    {
      "name": "Read-only mode",
      "description": "Set to 1 to expose only the read and analysis tools. The write tools are not registered at all, so they never reach tool discovery.",
      "envVar": "ACTUAL_READ_ONLY"
    }
  ],
  "mcpServers": {
    "actual": {
      "command": "npx",
      "args": ["-y", "actual-budget-mcp"]
    }
  }
}
Files

What ships with it

1 file beside gemini-extension.json in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2d ago First seen · 41 lines scan A 822ec84c03cf

Subscribe to this mod's changes

actual-budget is a plugin published in the GitHub repository henfrydls/actual-budget-mcp (6 stars, last pushed 2d 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 2026-09-13.