gitbutler: Instructions file for Codex

AGENTS.md

gitbutler AGENTS.md is an instructions file for Codex, OpenCode from gitbutlerapp/gitbutler. It costs 434 tokens per session, scanned A, original, no licence file.

Project instructions for GitButler, covering its repository layout, working practices, and scoped rules.

In plain words
What is it for?
Use them when modifying or reviewing the gitbutlerapp/gitbutler repository.
Why use it?
They help coding agents follow the conventions of the GitButler codebase instead of guessing how the project is organized.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is gitbutlerapp/gitbutler's own configuration. It tells Codex and OpenCode how to work on gitbutler 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 gitbutler configures →

Reuse

Borrowing it

Nothing to install: this file belongs to gitbutlerapp/gitbutler. 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/gitbutlerapp/gitbutler/master/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/gitbutlerapp/gitbutler

Made for: Codex, OpenCode.

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 gitbutler AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/gitbutlerapp/gitbutler/agents-md/github.svg)](https://agentmods.dev/instructions/gitbutlerapp/gitbutler/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/gitbutlerapp/gitbutler/agents-md"><img src="https://agentmods.dev/badge/instructions/gitbutlerapp/gitbutler/agents-md/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 gitbutler AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/gitbutlerapp/gitbutler/agents-md"><img src="https://agentmods.dev/badge/instructions/gitbutlerapp/gitbutler/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 434 This file is loaded in full into every session.
When invoked 434 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 unknown 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 $0.00434 $0.00434
Opus 5.5 $0.00174 $0.00174
Sonnet 5.5 $0.00087 $0.00087
Haiku 4.5 $0.00043 $0.00043

Measured today against content hash 4b7862870444, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

gitbutler AGENTS.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 today.

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.

AGENTS.md · 44 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. today Changed · -2 lines · -37 tokens per session 4b7862870444
  2. 2d ago Changed · +1 lines · +21 tokens per session 7401c113cbf9
  3. 1mo ago Changed · +2 lines · +25 tokens per session 2344ef5cfc7b
  4. 1mo ago First seen · 43 lines · 425 tokens per session scan A 1b40407ce4fe

Subscribe to this mod's changes

gitbutler AGENTS.md is an instructions file published in the GitHub repository gitbutlerapp/gitbutler (21,881 stars, last pushed today), with no licence file. It adds 434 tokens to every session, about $0.0017 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.

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