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fireflyiii-mcp: Instructions file for Claude Code

CLAUDE.md

fireflyiii-mcp CLAUDE.md is an instructions file for Claude Code from daften/fireflyiii-mcp. It costs 233 tokens per session, scanned A, original, MIT.

Project instructions for Firefly III MCP, a TypeScript project that connects the Firefly III money-management system to agents through MCP, a standard way for software tools to expose actions to AI systems.

In plain words
What is it for?
Use them when developing or releasing the Firefly III MCP project, including setup, TypeScript changes, tool registration, tests, and version management.
Why use it?
They tell the agent where to find the project's authoritative rules, how to configure environment variables, and how releases and branches are managed.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code; mentions AGENTS.md.

This is daften/fireflyiii-mcp's own configuration. It tells Claude Code how to work on fireflyiii-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything fireflyiii-mcp configures →

not rated 27repo changed 1mo ago A scan 233 tokens original MIT
View source ↗ daften/fireflyiii-mcp daften.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to daften/fireflyiii-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/daften/fireflyiii-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/daften/fireflyiii-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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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.

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Per session 233 This file is loaded in full into every session.
When invoked 233 The same file — it is already loaded in full.
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.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00233 $0.00233
Opus 5.5 $0.00093 $0.00093
Sonnet 5.5 $0.00047 $0.00047
Haiku 4.5 $0.00023 $0.00023

Measured 1mo ago against content hash 11a5718675f6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

fireflyiii-mcp CLAUDE.md 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 1mo 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.

CLAUDE.md · 15 lines

What it actually says

Claude Code Instructions

Welcome! This repository uses a universal agent instruction standard.

Please read the AGENTS.md file at the root of this project. It is the universal, cross-tool single source of truth for all coding assistants, detailing:

  • Project Overview & Tech Stack
  • Build & Test Commands
  • Coding Conventions (ESM, strict TypeScript, tool registration patterns)
  • Git Commit standards
  • Branching Model (develop integrates, main stays releasable) & Releasing a New Version — [Unreleased] accumulates on develop; the dated changelog section and version bump go on a release/X.Y.Z branch that reaches main as one PR, and the tag is cut on the resulting merge commit

Claude-Specific Preferences

  • System Instructions: Adhere strictly to the project rules and structures documented in AGENTS.md.
  • Environment Variables: Configure .env as explained in AGENTS.md when running local integrations.
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. 1mo ago Changed · +15 tokens per session 11a5718675f6
  2. 2mo ago First seen · 15 lines · 218 tokens per session scan A 97a8d7c6d8fa

Subscribe to this mod's changes

fireflyiii-mcp CLAUDE.md is an instructions file published in the GitHub repository daften/fireflyiii-mcp (27 stars, last pushed today), licensed MIT. It adds 233 tokens to every session, about $0.0009 per session on Opus 5.5. 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 2026-08-30.

TypeScriptfirefly-iiimcpmodel-context-protocolpersonal-finance
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