Agent skill

Writing Skills

by pedronauck in pedronauck/skills

Create, refactor, or debug agent skills and their loading. An agent skill from pedronauck/skills.

No licenceAuto-check passedAgent Workflows

Install Writing Skills

skills CLI
$ npx skills add pedronauck/skills --skill writing-skills -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install pedronauck/skills writing-skills --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/pedronauck/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/mine/writing-skills .claude/skills/writing-skills && rm -rf skills-src

Use ~/.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/

Facts

Skill name
writing-skills
GitHub stars
634
Used in
1 other repo
Token cost
~919 tokens
SKILL.md length
448 words
Files
7 (incl. scripts, references, assets)
Skills in repo
65
Repo updated
First seen
Licence
None found

At a glance

Create, refactor, or debug agent skills and their loading. An agent skill from pedronauck/skills.

  • Works in 5 steps: Identify the outcome, owning files,… → Keep the minimum common contract in… → State required order only for… → …
  • Tasks that involve Skill authoring
  • SKILL.md covers Choose the Scope, Create or Revise and Diagnose and Measure
  • Runs Python scripts from its folder; calls python3

What it does

Writing Skills is an agent skill from pedronauck/skills. Create, refactor, or debug agent skills and their loading. Use writing-agents-md for AGENTS.md/CLAUDE.md; excludes general docs and READMEs.

Its SKILL.md is about 920 tokens, which your agent loads only when the skill is triggered. The skill folder holds 9 other files, including scripts, reference files and assets (for example `assets/SKILL.template.md`, `references/authoring-procedure.md` and `references/checklist.md`).

It sits in Agent Workflows, covering Skill authoring, Agent instruction files and Technical documentation. The repository describes itself as: My personal favorite skills.

When your agent uses it

  • Tasks that involve Skill authoring
  • Tasks that involve Agent instruction files
  • Tasks that involve Technical documentation

Example prompts

  • “/writing-skills”

Requirements

  • Python 3

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Identify the outcome, owning files, known failure, and existing instructions. Reuse the current conversation's evidence; recollect only…
  2. Keep the minimum common contract in SKILL.md; link branch-specific references with a condition and the section needed. Read a complete…
  3. State required order only for dependencies, mutations, authorization, or cleanup. Let independent searches batch and let the agent choose…
  4. Define completion by the requested deliverable and its applicable checks. Reuse evidence for unchanged inputs. Do not add a mandatory…
  5. Check changed triggers, links, metadata, and any affected helper behavior. For a small prose edit, summarize this review; for a new skill…

What it can do on your machine

Read from SKILL.md and the folder at commit 0422940. 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

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python3

    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

Writing Skills loads about 919 tokens when it runs, and up to ~2.7k if it reads all its reference files. Until then it costs about 39 tokens; SKILL.md has 448 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~39
When it runs · the whole SKILL.md, loaded when a task matches
~919
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.7k

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); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 448 words (~919 tokens).

“A skill supplies task-specific knowledge or a reliable operation the model would otherwise have to rediscover. Optimize for correct outcomes, useful evidence, and low overhead. Identical process on every run is useful only where ordering is part of the contract.”

— opening of SKILL.md by pedronauck
name
writing-skills
metadata.author
Pedro Nauck
metadata.github
https://github.com/pedronauck
metadata.repository
https://github.com/pedronauck/skills
metadata.credits
Doctrine adapted from writing-great-skills (mattpocock/skills)

Read the full SKILL.md on GitHub

Files

SKILL.md and 6 other files (scripts, references, assets) in skills/mine/writing-skills of pedronauck/skills.

  • SKILL.md
  • assets/SKILL.template.md
  • references/authoring-procedure.md
  • references/checklist.md
  • references/glossary.md
  • references/loading-diagnosis.md
  • scripts/validate-metadata.py

Open the folder on GitHubat commit 0422940

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in pedronauck/skills, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Writing Skills 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.

Writing Skills compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Writing Skills this skillpedronauck/skills6341 repos~919Automated safety check: PassNone
Reviewing Documentationmicrosoft-foundry/foundry-agent-webapp127—~1.1kAutomated safety check: PassMIT
Skill Best Practicesaiskillstore/marketplace433—~3.7kAutomated safety check: PassNone
Neat-Freak Knowledge CloseoutKKKKhazix/khazix-skills21k—~1.9kAutomated safety check: PassMIT
Harness Agent Team Designerrevfactory/harness9.1k—~4.5kAutomated safety check: PassApache-2.0
Skill Creatormgechev/skills-best-practices2.3k—~1.1kAutomated safety check: PassNone

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Categories

Questions about Writing Skills

What does Writing Skills do?

Create, refactor, or debug agent skills and their loading. An agent skill from pedronauck/skills. Writing Skills is an agent skill from pedronauck/skills. Create, refactor, or debug agent skills and their loading.

When should I use Writing Skills?

Writing Skills fits situations like: tasks that involve Skill authoring; tasks that involve Agent instruction files; tasks that involve Technical documentation.

How do I install Writing Skills in Claude Code?

Run `npx skills add pedronauck/skills --skill writing-skills -a claude-code`. Or copy the skill folder (skills/mine/writing-skills in pedronauck/skills) into .claude/skills/writing-skills in your project. Claude Code loads it when a task matches its description.

How do I install Writing Skills in Codex?

Run `npx skills add pedronauck/skills --skill writing-skills -a codex`. Or copy the skill folder (skills/mine/writing-skills in pedronauck/skills) into .agents/skills/writing-skills in your project. Codex loads it when a task matches its description.

Can I use Writing Skills 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 pedronauck/skills --skill writing-skills -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/writing-skills, .gemini/skills/writing-skills, .github/skills/writing-skills and .opencode/skills/writing-skills in your project.

What does Writing Skills need to run?

Going by SKILL.md and its folder, Writing Skills needs Python for the scripts in its folder and the command-line tools its instructions call (python3). Our summary lists: Python 3.

Does Writing Skills 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 Writing Skills 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Writing Skills use?

No licence was found for Writing Skills or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Writing Skills use?

About 919 tokens (SKILL.md is roughly 3.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.8k tokens, read only when the agent opens those files.

What are the alternatives to Writing Skills?

Skills that share tags, products or a category with Writing Skills: Reviewing Documentation (microsoft-foundry/foundry-agent-webapp, 127 stars), Skill Best Practices (aiskillstore/marketplace, 433 stars), Neat-Freak Knowledge Closeout (KKKKhazix/khazix-skills, 21k stars) and Harness Agent Team Designer (revfactory/harness, 9.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Writing Skills?

pedronauck (a GitHub user) maintains it in pedronauck/skills, which has 634 GitHub stars. The repository holds 65 skills in this directory. The repository was last updated on September 14, 2026.

Source: pedronauck/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.