myNotes: Instructions file for Codex

AGENTS.md

myNotes AGENTS.md is an instructions file for Codex, OpenCode from Routhleck/myNotes. It costs 681 tokens per session, scanned A, original, MIT.

Project instructions for a repository of course study notes, published HTML pages, and a React landing page. They describe its folders, metadata file, preview server, validation script, and content conventions.

In plain words
What is it for?
Use them when adding or updating courses, exporting notes, changing the landing page, validating links, or previewing the documentation site.
Why use it?
They explain how the notes, published pages, course index, and assets must stay coordinated.

Instructions file for CodexOpenCode

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

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

Reuse

Borrowing it

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

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 myNotes AGENTS.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/routhleck/mynotes/agents-md"><img src="https://agentmods.dev/badge/instructions/routhleck/mynotes/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 681 This file is loaded in full into every session.
When invoked 681 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 $0.00681 $0.00681
Opus 5.5 $0.00272 $0.00272
Sonnet 5.5 $0.00136 $0.00136
Haiku 4.5 $0.00068 $0.00068

Measured 2mo ago against content hash cb3ba0da7053, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

myNotes 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 · 25 lines

How it starts

The opening of the file, as written. The whole thing — 25 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Repository Guidelines

Project Structure & Module Organization

  • Root directories named after BJTU courses capture raw study notes (Markdown, PDF, Typora exports). Mirror updates in docs/ as published HTML; ensure asset folders accompany HTML exports (e.g., 人工智能基础期末复习笔记.assets). Keep ancillary project repos (e.g., BrainPy/) intact and avoid renaming. The landing page docs/index.html is a React single-page app (React 18 via CDN + Babel); course metadata now lives in docs/data/courses.json, which the page fetches at runtime – keep both files in sync.
  • Update README.md with any new course folder so GitHub navigation stays aligned with the course timeline.

Build, Test, and Development Commands

  • Landing page is React-in-browser (no bundler); update course metadata in docs/data/courses.json (JSON array) and ensure links stay relative to the docs/ root. Run uv run scripts/validate_courses.py before commit to catch broken links or schema issues. Preview via uv run python -m http.server --directory docs 8000 and browse http://localhost:8000.
  • For standalone Markdown exports, no additional build pipeline exists. Typora/VSCode exports can be dropped alongside assets.
  • For Markdown hygiene, optional uvx mdformat AGENTS.md README.md (or specify files) keeps layout consistent. Use uv run scripts/validate_courses.py to verify the JSON catalog after edits.

Coding Style & Naming Conventions

  • Markdown: use # top-level headings matching the folder title; keep tables of contents short and use ordered lists for syllabus-style outlines.
  • File names: prefer Chinese course names or CamelCase English without spaces; version drafts with suffixes like _v2.md instead of rewriting history.
  • Store images inside a sibling *.assets folder and reference them with relative paths (![图](课程名.assets/image.png)). Large binary assets (PDF/PPT/DOCX) are marked in .gitattributes for Git LFS; run git lfs install before committing new files of these types. Use uv run scripts/report_large_assets.py --min-mb 20 to audit oversized files before pushing.

Read the full file on GitHub · 25 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 · 25 lines · 681 tokens per session scan A cb3ba0da7053

Subscribe to this mod's changes

myNotes AGENTS.md is an instructions file published in the GitHub repository Routhleck/myNotes (87 stars, last pushed 4mo ago), licensed MIT. It adds 681 tokens to every session, about $0.0027 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.

Related

myNotes AGENTS.md compared with instructions from other repositories

myNotes AGENTS.md next to 6 instructions from other repositories
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myNotes AGENTS.mdRouthleck/myNotesInstructions file874mo agoMITA681Codex, OpenCode
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next.js AGENTS.mdvercel/next.jsInstructions file143ktodayMITA7,461Codex, OpenCode
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vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode