skills: Instructions file for Codex

AGENTS.md

skills AGENTS.md is an instructions file for Codex, OpenCode from sanpingli/skills. It costs 731 tokens per session, scanned A, original, MIT.

An AGENTS.md instruction file for a repository of reusable skills. It tells coding agents how to identify the relevant skill pack and which routing instructions to read next.

In plain words
What is it for?
Routing work involving architecture and construction documents or PowerPoint generation to the correct pack, and flagging unsupported domains.
Why use it?
It prevents agents from guessing when a task does not match the repository's supported areas.

Instructions file for CodexOpenCode

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

This is sanpingli/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 sanpingli/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/sanpingli/skills/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/sanpingli/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.

agentmods badge for skills AGENTS.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/sanpingli/skills/agents-md"><img src="https://agentmods.dev/badge/instructions/sanpingli/skills/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 731 This file is loaded in full into every session.
When invoked 731 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 $0.00731 $0.00731
Opus 5.5 $0.00292 $0.00292
Sonnet 5.5 $0.00146 $0.00146
Haiku 4.5 $0.00073 $0.00073

Measured 2mo ago against content hash 8271e67bd63d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, 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 2mo 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 · 57 lines

How it starts

The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Top-level agent routing file. AI agents (Claude Code / GitHub Copilot / Cursor / etc.) should read this file before doing anything else, locate the correct skill pack, then read that pack's internal AGENTS.md or CLAUDE.md for second-level routing.


Repository purpose

A multi-domain SKILL sharing repository. The repo itself contains no executable code — all domain knowledge and scripts are encapsulated inside the individual packs under packs/.


Routing table (level 1)

Pick a pack by task domain. After reading the pack's README.md + AGENTS.md, follow its internal routing to a specific SKILL.

Task domain Enter pack Internal routing file
Building BREP modeling / IFC / DWG / compliance checklists / specifications / project documents packs/aec-generation/ packs/aec-generation/AGENTS.md
PowerPoint generation: template profiling / brand-compliant decks / narrative composition / batch image generation / low-level .pptx operations packs/pptx-generation/ packs/pptx-generation/AGENTS.md

If the task does not fit any of the above, do not guess. Tell the user the repository does not yet cover that domain, and suggest creating a new pack via CONTRIBUTING.md.


Cross-pack tasks

When a task spans multiple domains (e.g. "read an IFC → generate a compliance report → emit it as a docx"), proceed as follows:

  1. Decompose. Split the task into single-pack subtasks.
  2. Run sequentially. Enter each pack independently and follow its AGENTS.md.
  3. Exchange data via files. Pass IFC / JSON / docx through disk between packs; do not assume in-memory sharing.
  4. Switch environments. Each pack has its own Conda env — conda activate the right one when switching.

Read the full file on GitHub · 57 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. 2mo ago First seen · 57 lines · 731 tokens per session scan A 8271e67bd63d

Subscribe to this mod's changes

skills AGENTS.md is an instructions file published in the GitHub repository sanpingli/skills (2 stars, last pushed 6mo ago), licensed MIT. It adds 731 tokens to every session, about $0.0029 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.

Related

skills AGENTS.md compared with instructions from other repositories

skills AGENTS.md next to 6 instructions from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
skills AGENTS.mdsanpingli/skillsInstructions file26mo agoMITA731Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA9,719GitHub Copilot
next.js AGENTS.mdvercel/next.jsInstructions file143ktodayMITA7,461Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA5,649GitHub Copilot
langchain AGENTS.mdlangchain-ai/langchainInstructions file149ktodayMITA4,680Codex, OpenCode
vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA3,093GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA2,022GitHub Copilot