learn-claude-code-openai: Instructions file for Codex

AGENTS.md

learn-claude-code-openai AGENTS.md is an instructions file for Codex, OpenCode from peijiping/learn-claude-code-openai. It costs 2,736 tokens per session, scanned A, original, no licence file.

Repository instructions for learn-claude-code-openai, a project that teaches how coding agents work. They describe the project’s purpose, layout, main entry point, and core patterns.

In plain words
What is it for?
Finding the main parts of the project, understanding its core patterns, and working on its coding-agent examples.
Why use it?
They give an agent the background needed to navigate and change an educational codebase correctly.

Instructions file for CodexOpenCode

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

This is peijiping/learn-claude-code-openai's own configuration. It tells Codex and OpenCode how to work on learn-claude-code-openai 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 learn-claude-code-openai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to peijiping/learn-claude-code-openai. 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/peijiping/learn-claude-code-openai/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/peijiping/learn-claude-code-openai

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 learn-claude-code-openai AGENTS.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/peijiping/learn-claude-code-openai/agents-md"><img src="https://agentmods.dev/badge/instructions/peijiping/learn-claude-code-openai/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 2,736 This file is loaded in full into every session.
When invoked 2,736 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 $0.02736 $0.02736
Opus 5.5 $0.01094 $0.01094
Sonnet 5.5 $0.00547 $0.00547
Haiku 4.5 $0.00274 $0.00274

Measured 16d ago against content hash 5f38402d962b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

learn-claude-code-openai 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 16d 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.

AGENTS.md · 124 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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. 16d ago Changed · +2 lines · +144 tokens per session 5f38402d962b
  2. 1mo ago Changed · +49 tokens per session ec06b9c90cd9
  3. 1mo ago Changed · +45 lines · +991 tokens per session 6bfd4602b3fc
  4. 2mo ago First seen · 77 lines · 1,552 tokens per session scan A 56a075177803

Subscribe to this mod's changes

learn-claude-code-openai AGENTS.md is an instructions file published in the GitHub repository peijiping/learn-claude-code-openai (7 stars, last pushed 12d ago), with no licence file. It adds 2,736 tokens to every session, about $0.0109 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 2026-08-31.

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