diataxis

diataxis is a skill for Claude Code, Codex from rlespinasse/agent-skills. It costs 75 tokens per session (3,292 once invoked), scanned A, original, MIT.

A documentation tool based on Diataxis, a method that separates documentation into tutorials, how-to guides, explanations, and reference material according to the reader's need.

In plain words
What is it for?
Reviewing existing documentation, classifying pages, finding gaps, and creating or restructuring docs into the four Diataxis categories.
Why use it?
It helps reveal missing or poorly organized documentation and makes each page clearer about whether it teaches, instructs, explains, or defines.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Reviewing existing documentation, classifying pages, finding gaps, and creating or restructuring docs into the four Diataxis categories.

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Install with agentmods
npx agentmods add skills/rlespinasse/agent-skills/diataxis
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add rlespinasse/agent-skills --skill diataxis
Clone the repo
git clone --depth 1 https://github.com/rlespinasse/agent-skills

Made for: Claude Code, Codex.

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 diataxis

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/rlespinasse/agent-skills/diataxis"><img src="https://agentmods.dev/badge/skills/rlespinasse/agent-skills/diataxis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,292 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00075 $0.03292
Opus 5 $0.00037 $0.01646
Sonnet 5 $0.00015 $0.00658
Haiku 4.5 $0.00007 $0.00329

Measured 11d ago against content hash 4fcd56afd752, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

diataxis 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 11d 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.

skills/diataxis/SKILL.md · 384 lines

How it starts

The opening of the file, as written. The whole thing — 384 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Maintain Documentation with the Diataxis Method

You are helping the user organize and maintain their project documentation following the Diataxis framework.

What is Diataxis?

Diataxis (from Ancient Greek: dia — "across", taxis — "arrangement") is a systematic approach to technical documentation that organizes content into four categories based on user needs. See diataxis.fr for the full framework.

Category Orientation Purpose Form
Tutorials Learning-oriented Guide a beginner through learning A lesson
How-to guides Task-oriented Help accomplish a specific goal A series of steps
Explanation Understanding-oriented Deepen understanding through discussion A discursive essay
Reference Information-oriented Provide precise technical descriptions Dry, accurate facts

The Compass — Two Axes for Classification

Use two questions to classify any content (see references/compass.md):

Acquisition (study) Application (work)
Action (practical) Tutorial How-to guide
Cognition (theoretical) Explanation Reference
  1. "Is this about action or cognition?" — Does the reader do something or understand something?
  2. "Is this about acquisition or application?" — Is the reader studying or working?

Key Distinctions

  • Tutorials vs How-to guides: Tutorials teach ("follow me") for learners; how-to guides direct ("do this") for practitioners. Tutorials are complete end-to-end; how-to guides start and end at reasonable points the reader joins to their own work.
  • Explanation vs Reference: Explanation discusses why (discursive, admits opinion); reference states what (austere, authoritative, no ambiguity).
  • Action vs Cognition: Tutorials and how-to guides are practical (doing). Explanation and reference are theoretical (knowing).
  • Acquisition vs Application: Tutorials and explanation serve learning/studying. How-to guides and reference serve working/coding.

Read the full file on GitHub · 384 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 11d ago First seen · 384 lines · 75 tokens per session scan A 4fcd56afd752

Subscribe to this mod's changes

diataxis is a skill published in the GitHub repository rlespinasse/agent-skills (10 stars, last pushed 4d ago), licensed MIT. It adds 75 tokens to every session and 3,292 once invoked, about $0.0004 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.