workshop: Skill for Claude Code

.github/skills/documentation-verify/SKILL.md

documentation-verify is a skill for Claude Code, Codex from canonical/workshop. It costs 44 tokens per session (712 once invoked), scanned A, original, GPL-3.0.

A documentation-checking tool that compares written instructions with the code they describe. It checks claims, command examples, API signatures, and configuration details.

In plain words
What is it for?
Reviewing installation guides, checking CLI commands and API examples, and verifying that configuration instructions match the current code.
Why use it?
It helps find documentation that is outdated, inaccurate, or unsupported by the source code before developers rely on it.

Skill for Claude CodeCodex ✓ vendor

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

This is canonical/workshop's own configuration. It tells Claude Code and Codex how to work on workshop 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 workshop configures →

About the project

canonical/workshop is a project for creating secure, fast, composable development environments that are ready for coding agents. It is for reproducible container-based development setups. The catalogue entries provide skills, agents, and instructions for working with those environments.

canonical/workshop · 123 stars · on GitHub · ubuntu.com

Reuse

Borrowing it

Nothing to install: this file belongs to canonical/workshop. 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/canonical/workshop/main/.github/skills/documentation-verify/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/canonical/workshop

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 documentation-verify

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/canonical/workshop/documentation-verify"><img src="https://agentmods.dev/badge/skills/canonical/workshop/documentation-verify.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 712 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.
Origin unknown 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 $0.00044 $0.00712
Opus 5.5 $0.00018 $0.00285
Sonnet 5.5 $0.00009 $0.00142
Haiku 4.5 $0.00004 $0.00071

Measured 2mo ago against content hash b66cd3ec85fe, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

documentation-verify 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.

.github/skills/documentation-verify/SKILL.md · 81 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

2 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. 2mo ago First seen · 81 lines · 44 tokens per session scan A b66cd3ec85fe

Subscribe to this mod's changes

documentation-verify is a skill published in the GitHub repository canonical/workshop (123 stars, last pushed 3d ago), licensed GPL-3.0. It adds 44 tokens to every session and 712 once invoked, about $0.0002 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.

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