Generate a plan for how an agent should accomplish a complex coding task. Use when a user asks for a plan, and optionally when they want to save, find, read, update, or delete plan files in $CODEX_HOME/plans (default ~/.codex/plans).
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Plan
## Overview
Draft structured plans that clarify intent, scope, requirements, action items, testing/validation, and risks.
Optionally, save plans to disk as markdown files with YAML frontmatter and free-form content. When drafting in chat, output only the plan body without frontmatter; add frontmatter only when saving to disk. Only write to the plans folder; do not modify the repository codebase.
This skill can also be used to draft codebase or system overviews.
## Core rules
- Resolve the plans directory as `$CODEX_HOME/plans` or `~/.codex/plans` when `CODEX_HOME` is not set.
- Create the plans directory if it does not exist.
- Never write to the repo; only read files to understand context.
- Require frontmatter with **only** `name` and `description` (single-line values) for on-disk plans.
- When presenting a draft plan in chat, omit frontmatter and start at `# Plan`.
- Enforce naming rules: short, lower-case, hyphen-delimited; filename must equal `<name>.md`.
- If a plan is not found, state it clearly and offer to create one.
- Allow overview-style plans that document flows, architecture, or context without a work checklist.
## Decide the task
…
The line at the top of this page pins the label git:20251220.c8aeac1, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_pixxzzeziomq4f5l
GET https://markdownregistry.com/api/v1/resolve?ref=akiojin/llmlb/plan
GET https://markdownregistry.com/api/v1/blob/7144a4dfbe5698f872b23bd963067ea2abc822965e6eed111bbd88b61d4c1b4f
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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