skills: Instructions file for Codex

AGENTS.md

skills AGENTS.md is an instructions file for Codex, OpenCode from shikanime-labs/skills. It costs 1,456 tokens per session, scanned A, original, Apache-2.0.

A set of repository instructions for maintaining a catalogue of agent skills. It defines the directory structure, workflows, languages, commit styles, and delivery rules for several skill families.

In plain words
What is it for?
Use it when adding or changing skills, following the project’s discussion-to-issue-to-pull-request process, or working with its English, French, or NixOS-related conventions.
Why use it?
It gives coding agents consistent project rules, so contributors do not have to infer how work should be organised, discussed, reviewed, or committed.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md; built for hermes-agent.

This is shikanime-labs/skills's own configuration. It tells Codex and OpenCode how to work on skills 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 skills configures →

Reuse

Borrowing it

Nothing to install: this file belongs to shikanime-labs/skills. 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/shikanime-labs/skills/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/shikanime-labs/skills

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.

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README.md
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Per session 1,456 This file is loaded in full into every session.
When invoked 1,456 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 $0.01456 $0.01456
Opus 5 $0.00728 $0.00728
Sonnet 5 $0.00291 $0.00291
Haiku 4.5 $0.00146 $0.00146

Measured 9d ago against content hash 0ad4585949a3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

skills 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 9d 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 · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skills

A curated catalog of self-improved agent skills for Hermes and compatible agents. Each skill lives in its own directory with a SKILL.md.

Language: Markdown (SKILL.md)

Structure

  • skills/shikanime-studio/ — the shikanime sks-* workflow family
  • skills/cloud-pi-native/ — the cloud-pi-native cpn-* workflow family
  • README.md — Installation and usage documentation

Workflow

Two orgs, one doctrine — the lifecycle is discussion → issue → issue comments → PR for both families. The issue body is the problem statement with acceptance criteria as a command-decidable tasklist (the gate ledger); the PR proves it. shikanime skills are written in English with plain-English commits + Automata co-author trailer; cloud-pi-native skills operate in French with conventional commits. Skills: sks-dev-workflow, sks-async, sks-commit, sks-discussion, sks-issue, sks-pr, cpn-dev-workflow, cpn-commit, cpn-discussion, cpn-issue, cpn-pr.

A standalone nixpkgs family (nix-pr-*) reviews upstream NixOS/nixpkgs pull requests through the official contribution process — it is not an org workflow and has no discussion/issue/PR lifecycle of its own. Skills: nix-pr-review.

Commit Style

  • Plain-text capitalized title, no conventional-commit prefix.
  • Body is labeled, one label per line where applicable:
    • Design: — files or skills the change is grounded in.
    • Related: — companion files, issues, or PRs.
    • Closes #N — the linked ticket (required for atomic delivery).
  • Footers mandated by policy:
    • Signed-off-by: — required; commits must be signed (see Protect main).
    • Change-Id: — keep the originating change's id when amending.
  • Wrap Markdown lines at 80 columns and run nix fmt before shipping.

Example: Wire release management, milestone metadata, trunk-based jj stacking

Encode four principles into the workflow substrate and skills.

Design: README.md, AGENTS.md
Related: skills/shikanime, skills/cloud-pi-native
Signed-off-by: Shikanime Deva <[email protected]>

Read the full file on GitHub · 126 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. 9d ago First seen · 126 lines · 1,456 tokens per session scan A 0ad4585949a3

Subscribe to this mod's changes

skills AGENTS.md is an instructions file published in the GitHub repository shikanime-labs/skills (2 stars, last pushed today), licensed Apache-2.0. It adds 1,456 tokens to every session, about $0.0073 per session on Opus 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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