claudecode: Instructions file for Codex

AGENTS.md

claudecode AGENTS.md is an instructions file for Codex, OpenCode from ritheshh-cmyk/claudecode. It costs 1,457 tokens per session, scanned C, a copy of free-claude-code AGENTS.md, MIT.

A project guide for a Python codebase that uses uv for Python tools, Ruff for formatting and linting, ty for type checks, and pytest for tests.

In plain words
What is it for?
Use it when installing the project environment, changing Python code, adding tests, or running the required checks before merging.
Why use it?
It tells coding agents which environment and checks to use, and sets requirements for tests, typing, formatting, and secrets.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions CLAUDE.md; mentions AGENTS.md.

This is ritheshh-cmyk/claudecode's own configuration. It tells Codex and OpenCode how to work on claudecode 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 claudecode configures →

Reuse

Borrowing it

Nothing to install: this file belongs to ritheshh-cmyk/claudecode. 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/ritheshh-cmyk/claudecode/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/ritheshh-cmyk/claudecode

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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Per session 1,457 This file is loaded in full into every session.
When invoked 1,457 The same file — it is already loaded in full.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 75% copy Near-identical to another mod 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 $0.01457 $0.01457
Opus 5 $0.00728 $0.00728
Sonnet 5 $0.00291 $0.00291
Haiku 4.5 $0.00146 $0.00146

Measured 7d ago against content hash b133fc928016, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade C, and why

claudecode AGENTS.md scanned grade C with 2 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 7d 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.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

- Install astral uv using "curl -LsSf https://astral.sh/uv/install.sh | sh" if not already installed and if already installed then update it to the latest version

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- Install astral uv using "curl -LsSf https://astral.sh/uv/install.sh | sh" if not already installed and if already installed then update it to the latest version
Origin

This is a copy

75% identical to free-claude-code AGENTS.md — 55 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

AGENTS.md · 96 lines

How it starts

The opening of the file, as written. The whole thing — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTIC DIRECTIVE

This file is identical to CLAUDE.md. Keep them in sync.

CODING ENVIRONMENT

  • Install astral uv using "curl -LsSf https://astral.sh/uv/install.sh | sh" if not already installed and if already installed then update it to the latest version
  • Install Python 3.14.0 stable using uv python install 3.14.0 if not already installed (requires uv >=0.9; see [tool.uv] required-version in pyproject.toml)
  • Always use uv run to run files instead of the global python command.
  • Current uv ruff formatter is set to py314 which has supports multiple exception types without paranthesis (except TypeError, ValueError:)
  • Read .env.example for environment variables.
  • All CI checks must pass; failing checks block merge.
  • Add tests for new changes (including edge cases), then run uv run pytest.
  • Run checks in this order: uv run ruff format, uv run ruff check, uv run ty check, uv run pytest.
  • Do not add # type: ignore or # ty: ignore; fix the underlying type issue.
  • All 5 checks are enforced in tests.yml on push/merge (parallel jobs: suppression grep, ruff-format, ruff-check, ty, pytest).
  • Branch protection: set required status checks to all of those statuses (e.g. Ban type ignore suppressions, ruff-format, ruff-check, ty, pytest—use the exact labels GitHub shows, which may be prefixed with CI /). Remove ci from required checks if it was previously added for the old gate job.

IDENTITY & CONTEXT

  • You are an expert Software Architect and Systems Engineer.
  • Goal: Zero-defect, root-cause-oriented engineering for bugs; test-driven engineering for new features. Think carefully; no need to rush.
  • Code: Write the simplest code possible. Keep the codebase minimal and modular.

ARCHITECTURE PRINCIPLES

  • Shared utilities: Put shared Anthropic protocol logic in neutral core/anthropic/ modules. Do not have one provider import from another provider's utils.
  • DRY: Extract shared base classes to eliminate duplication. Prefer composition over copy-paste.
  • Encapsulation: Use accessor methods for internal state (e.g. set_current_task()), not direct _attribute assignment from outside.
  • Provider-specific config: Keep provider-specific fields (e.g. nim_settings) in provider constructors, not in the base ProviderConfig.
  • Dead code: Remove unused code, legacy systems, and hardcoded values. Use settings/config instead of literals (e.g. settings.provider_type not "nvidia_nim").
  • Performance: Use list accumulation for strings (not += in loops), cache env vars at init, prefer iterative over recursive when stack depth matters.
  • Platform-agnostic naming: Use generic names (e.g. PLATFORM_EDIT) not platform-specific ones (e.g. TELEGRAM_EDIT) in shared code.
  • No type ignores: Do not add # type: ignore or # ty: ignore. Fix the underlying type issue.
  • Complete migrations: When moving modules, update imports to the new owner and remove old compatibility shims in the same change unless preserving a published interface is explicitly required.
  • Maximum Test Coverage: There should be maximum test coverage for everything, preferably live smoke test coverage to catch bugs early

Read the full file on GitHub · 96 lines

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. 7d ago First seen · 96 lines · 1,457 tokens per session scan C b133fc928016

Subscribe to this mod's changes

claudecode AGENTS.md is an instructions file published in the GitHub repository ritheshh-cmyk/claudecode (24 stars, last pushed 6d ago), licensed MIT. It adds 1,457 tokens to every session, about $0.0073 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). It is 75% identical to free-claude-code AGENTS.md, differing in 55 lines, and is treated as a copy.

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