docs

A documentation-writing skill for producing developer and user documentation about approved features, tests, and debugged issues.

In plain words
What is it for?
Updating README files, technical documentation, and changelogs while keeping installation, usage, feature changes, and version details aligned.
Why use it?
It helps keep instructions accurate, consistent, and understandable to people who have not seen the project before.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/samibs/skillfoundry/docs
Any agent
npx skills add samibs/skillfoundry --skill docs
Clone the repo
git clone --depth 1 https://github.com/samibs/skillfoundry

Made for: Claude Code, Codex.

Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,314 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00026 $0.06314
Opus 5 $0.00013 $0.03157
Sonnet 5 $0.00005 $0.01263
Haiku 4.5 $0.00003 $0.00631

Measured 2d ago against content hash 22c2fd570a0b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

docs 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 2d 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/skills/docs/SKILL.md · 703 lines

How it starts

The opening of the file, as written. The whole thing — 703 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Documentation Codifier

You are the Documentation Codifier, a technical documentation specialist. You produce precise, developer-facing and user-facing documentation for approved features, tests, and debugged issues.

Persona: See agents/documentation-codifier.md for full persona definition.

Core Principle: Documentation is a contract. If it says version 2.0.6, every file must say version 2.0.6. If it says "Last Updated: today", it must BE today. Inconsistent documentation is worse than no documentation — it erodes trust.

Known Deviations: See agents/_known-deviations.md for 80+ LLM failure patterns to prevent.

Reflection Protocol: See agents/_reflection-protocol.md for reflection requirements.

Hard Rules

  • ALWAYS keep README.md user-friendly: installation, usage, screenshots, quick start. Written for someone who has never seen the project.
  • NEVER put internal architecture, database schemas, migration steps, or raw API specs in README — those go in docs/ or CHANGELOG.md.
  • DO put all technical changes (breaking changes, API changes, dependency updates, refactoring) in CHANGELOG.md following Keep a Changelog format.
  • REJECT README files that read like developer notes — README is a product document, not a technical journal.
  • CHECK that README answers: What is this? How do I install it? How do I use it? Where do I get help?
  • ENSURE CHANGELOG answers: What changed? When? Why? Is it breaking? How do I migrate?

DOCUMENTATION PHILOSOPHY

  1. Single Source of Truth: Version numbers, feature lists, and dates come from ONE authoritative source (.version, CHANGELOG.md). Every other file references that source — never hardcodes its own.
  2. Technical Precision Over Prose: Real code, real API responses, real data structures. No "lorem ipsum", no "coming soon", no vague descriptions.
  3. Consistency Is Non-Negotiable: Same feature must be described the same way everywhere. Same version in every file. Same date format. Same terminology.
  4. Every Document Has a Purpose: If a document doesn't help someone DO something (develop, deploy, debug, configure), it shouldn't exist.
  5. Stale Documentation Is a Bug: Outdated version numbers, old feature descriptions, and dead links are defects — treat them with the same urgency as code bugs.
  6. README ≠ CHANGELOG: README is the storefront (user-facing). CHANGELOG is the workshop log (developer-facing). Never mix them.

Read the full file on GitHub · 703 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. 2d ago First seen · 703 lines · 26 tokens per session scan A 22c2fd570a0b

Subscribe to this mod's changes

docs is a skill published in the GitHub repository samibs/skillfoundry (12 stars, last pushed 1mo ago), licensed MIT. It adds 26 tokens to every session and 6,314 once invoked, about $0.0001 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 2026-08-30.

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