Remember
antonio-orionus/Arroxy
Persists a durable Arroxy lesson — a gotcha, user preference, workflow rule, or design decision — to the right tracked file (project memory, AGENTS.md, CONTEXT.md, dev-docs, or an ADR) so any coding…
Keep the repository's documentation accurate, honest, and synchronized with the code.
Install Documentation
$ npx skills add extra-org/extra --skill documentation -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install extra-org/extra documentation --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/extra-org/extra.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/documentation .claude/skills/documentation && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "documentation" agent skill from https://github.com/extra-org/extra/tree/main/.claude/skills/documentation into .claude/skills/documentation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "documentation", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/extra-org/extra/tree/main/.claude/skills/documentationType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add extra-org/extra --skill documentation -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install extra-org/extra documentation --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/extra-org/extra.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/documentation .agents/skills/documentation && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "documentation" agent skill from https://github.com/extra-org/extra/tree/main/.claude/skills/documentation into .agents/skills/documentation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "documentation", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add extra-org/extra --skill documentation -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install extra-org/extra documentation --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/extra-org/extra.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/documentation .cursor/skills/documentation && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "documentation" agent skill from https://github.com/extra-org/extra/tree/main/.claude/skills/documentation into .cursor/skills/documentation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "documentation", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/extra-org/extra.git --path .claude/skills/documentation--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add extra-org/extra --skill documentation -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install extra-org/extra documentation --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/extra-org/extra.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/documentation .gemini/skills/documentation && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "documentation" agent skill from https://github.com/extra-org/extra/tree/main/.claude/skills/documentation into .gemini/skills/documentation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "documentation", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install extra-org/extra documentationInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add extra-org/extra --skill documentation -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/extra-org/extra.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/documentation .github/skills/documentation && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "documentation" agent skill from https://github.com/extra-org/extra/tree/main/.claude/skills/documentation into .github/skills/documentation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "documentation", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add extra-org/extra --skill documentation -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install extra-org/extra documentation --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/extra-org/extra.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/documentation .opencode/skills/documentation && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "documentation" agent skill from https://github.com/extra-org/extra/tree/main/.claude/skills/documentation into .opencode/skills/documentation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "documentation", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
documentation- GitHub stars
- 113
- Token cost
- ~848 tokens
- SKILL.md length
- 402 words
- Files
- 1
- Skills in repo
- 14
- Repo updated
- First seen
- Licence
- MIT
At a glance
Keep the repository's documentation accurate, honest, and synchronized with the code.
- Works in 6 steps: Identify scope. Decide which file(s) the… → Write the change concisely; add an… → For a new binding decision, add… → …
- Tasks that involve Architecture decision records
- SKILL.md covers Purpose, When to Use This Skill, Files to Read First and Core Principles, plus 4 more sections
- Calls make
What it does
Documentation is an agent skill from extra-org/extra. Keep the repository's documentation accurate, honest, and synchronized with the code. Use when editing docs, README, AGENTS.md, or ADRs.
Its SKILL.md is about 850 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Development, covering Architecture decision records, Agent instruction files and Technical documentation. The repository describes itself as: Turn your product into an AI-powered assistant. The licence is MIT.
When your agent uses it
- Tasks that involve Architecture decision records
- Tasks that involve Agent instruction files
- Tasks that involve Technical documentation
Example prompts
- “/documentation”
Workflow steps
6 steps, taken from the first numbered list in SKILL.md.
- Identify scope. Decide which file(s) the change belongs in (README vs.
- Write the change concisely; add an example or flow if it aids
- For a new binding decision, add docs/adr/NNNN-title.md using the
- Sync cross-references: update indexes (docs/README.md,
- Verify honesty: re-read for any claim that overstates current status.
- Validate with make check.
What it can do on your machine
Read from SKILL.md and the folder at commit 023b0a0. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
make
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Documentation loads about 848 tokens when it runs. Until then it costs about 38 tokens; SKILL.md has 402 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from extra-org/extra at commit 023b0a0, republished under its MIT licence (© extra-org). 402 words, ~848 tokens.
Download SKILL.mdSave it as
.claude/skills/documentation/SKILL.md (or your agent's skills folder).- name
- documentation
- description
- Keep the repository's documentation accurate, honest, and synchronized with the code. Use when editing docs, README, AGENTS.md, or ADRs.
- generated
- true
- source
- .ai/skills/documentation.md
<!--
This file is generated by tools/skills.
Do not edit this file directly.
Edit .ai/skills/documentation.md and run `make generate-ai`.
-->Skill: Documentation
Purpose
Keep the repository's documentation accurate, honest, and synchronized with the code, so future agents and users can trust it.
When to Use This Skill
- Editing anything in
docs/, theREADME.md, orAGENTS.md. - Adding or changing an ADR.
- Shipping a behavior/contract change that documentation must reflect.
Files to Read First
AGENTS.mddocs/README.md(reading order and index).- The specific doc/ADR you are changing and any code it describes.
.ai/skills/skill-authoring.mdif the doc is a skill.
Core Principles
- Be honest about status. Clearly separate what exists from what is planned; use accurate status markers (✅ done / ⏳ planned).
- Never claim unimplemented features work. The project is in the foundation phase — don't describe the runtime/compiler/API as functioning.
- Docs follow code. Update docs in the same change as the behavior they describe; don't let them drift.
- Decisions go in ADRs. A binding architectural decision is recorded as an ADR, not buried in prose.
- Show, don't just tell. Prefer examples, flows, and small diagrams where they clarify.
- Right file for the right scope: README = user-facing; AGENTS.md =
repo-wide rules for agents; ADRs = architectural decisions;
docs/= design.
Process
- Identify scope. Decide which file(s) the change belongs in (README vs. AGENTS.md vs. docs vs. ADR) — don't scatter the same content.
- Write the change concisely; add an example or flow if it aids understanding.
- For a new binding decision, add
docs/adr/NNNN-title.mdusing the existing ADR format (Status, Context, Decision, Consequences, Alternatives, Enforcement). - Sync cross-references: update indexes (
docs/README.md,.ai/README.md) and any links. - Verify honesty: re-read for any claim that overstates current status.
- Validate with
make check.
Show full SKILL.md (140 more words)Show less
Checklist Before Finishing
- No unimplemented feature described as working; status markers accurate.
- Docs updated in the same change as the behavior/contract.
- Architectural decisions captured in an ADR (not just prose).
- Correct file chosen for the scope (README / AGENTS / docs / ADR).
- Examples/flows added where helpful.
- Cross-references and indexes updated.
- Consistent with
AGENTS.md, README, docs, and ADRs. -
make checkpasses.
Common Mistakes to Avoid
- Documenting aspirational behavior as if it already works.
- Editing a contract in prose without a supporting ADR.
- Letting README/AGENTS/docs drift out of sync after a code change.
- Duplicating the same content across multiple files.
- Large rewrites that lose existing structure and history.
Expected Final Report
State: which docs/ADRs were created or changed and why; confirmation that no
unimplemented feature is claimed as working; any new ADR added; which indexes
and cross-references were updated; and the make check result.
© extra-org, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in .claude/skills/documentation of extra-org/extra.
Open the folder on GitHubat commit 023b0a0
Compare with similar skills
Documentation next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Documentation this skillextra-org/extra | 113 | — | ~848 | Automated safety check: Pass | MIT | |
| Rememberantonio-orionus/Arroxy | 389 | — | ~571 | Automated safety check: Pass | MIT | |
| Ad DriftCorridorTech/PoseCap | 220 | — | ~1.8k | Automated safety check: Notes | Apache-2.0 | |
| Documentdcodesdev/LetterSpace | 100 | — | ~461 | Automated safety check: Pass | MIT | |
| Choruz Prose StandardinclusionAI/Choruz | 979 | — | ~1.6k | Automated safety check: Pass | Apache-2.0 | |
| Expectationscitypaul/.dotfiles | 739 | — | ~1.2k | Automated safety check: Pass | Custom licence |
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Ad Drift
CorridorTech/PoseCap
Read-only drift audit — compare AGENTS.md, ARCHITECTURE.md, ADR statuses, feature specs in doc/specs/, and documentation discipline against what the code actually does.
Document
dcodesdev/LetterSpace
Use this when writing or updating documentation — a README, docs/ page, CLAUDE.md, changelog entry, or doc comments — or when the user says 'document this'.
Choruz Prose Standard
inclusionAI/Choruz
A skill your agent uses when writing, reviewing, restoring, trimming, or auditing prose in this repository, including deciding where documentation or comments are required across Markdown, Rust doc…
Expectations
citypaul/.dotfiles
Decide where a learning, gotcha, or decision should live so it is not lost, and capture it there while context is fresh.
Ad Review
CorridorTech/PoseCap
Two-axis fresh-context code review per WORKFLOW §10. An agent skill from CorridorTech/PoseCap.
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Related
Categories
Questions about Documentation
What does Documentation do?
Keep the repository's documentation accurate, honest, and synchronized with the code. Documentation is an agent skill from extra-org/extra. Keep the repository's documentation accurate, honest, and synchronized with the code.
When should I use Documentation?
Documentation fits situations like: tasks that involve Architecture decision records; tasks that involve Agent instruction files; tasks that involve Technical documentation.
How do I install Documentation in Claude Code?
Run `npx skills add extra-org/extra --skill documentation -a claude-code`. Or copy the skill folder (.claude/skills/documentation in extra-org/extra) into .claude/skills/documentation in your project. Claude Code loads it when a task matches its description.
How do I install Documentation in Codex?
Run `npx skills add extra-org/extra --skill documentation -a codex`. Or copy the skill folder (.claude/skills/documentation in extra-org/extra) into .agents/skills/documentation in your project. Codex loads it when a task matches its description.
Can I use Documentation in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add extra-org/extra --skill documentation -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/documentation, .gemini/skills/documentation, .github/skills/documentation and .opencode/skills/documentation in your project.
What does Documentation need to run?
Going by SKILL.md and its folder, Documentation needs the command-line tools its instructions call (make).
Does Documentation access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Documentation safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Documentation use?
Documentation is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Documentation use?
About 848 tokens (SKILL.md is roughly 3.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Documentation?
Skills that share tags, products or a category with Documentation: Remember (antonio-orionus/Arroxy, 389 stars), Ad Drift (CorridorTech/PoseCap, 220 stars), Document (dcodesdev/LetterSpace, 100 stars) and Choruz Prose Standard (inclusionAI/Choruz, 979 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Documentation?
extra-org (a GitHub organization) maintains it in extra-org/extra, which has 113 GitHub stars. The repository holds 14 skills in this directory. The repository was last updated on September 7, 2026.
Source: extra-org/extra on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.