Skill Creator
Azure/azqr
Create new skills, modify and improve existing skills, and measure skill performance.
A skill your agent uses when creating, updating, or improving agent skills.
Install Writing Skills
$ npx skills add aiskillstore/marketplace --skill writing-skills -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install aiskillstore/marketplace writing-skills --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/aiskillstore/marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/sickn33/writing-skills .claude/skills/writing-skills && 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 "writing-skills" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skills into .claude/skills/writing-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "writing-skills", 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/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skillsType 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 aiskillstore/marketplace --skill writing-skills -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install aiskillstore/marketplace writing-skills --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/sickn33/writing-skills .agents/skills/writing-skills && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "writing-skills" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skills into .agents/skills/writing-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "writing-skills", 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 aiskillstore/marketplace --skill writing-skills -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install aiskillstore/marketplace writing-skills --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/sickn33/writing-skills .cursor/skills/writing-skills && 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 "writing-skills" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skills into .cursor/skills/writing-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "writing-skills", 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/aiskillstore/marketplace.git --path skills/sickn33/writing-skills--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 aiskillstore/marketplace --skill writing-skills -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install aiskillstore/marketplace writing-skills --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/sickn33/writing-skills .gemini/skills/writing-skills && 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 "writing-skills" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skills into .gemini/skills/writing-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "writing-skills", 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 aiskillstore/marketplace writing-skillsInstalls 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 aiskillstore/marketplace --skill writing-skills -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/sickn33/writing-skills .github/skills/writing-skills && 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 "writing-skills" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skills into .github/skills/writing-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "writing-skills", 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 aiskillstore/marketplace --skill writing-skills -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install aiskillstore/marketplace writing-skills --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/sickn33/writing-skills .opencode/skills/writing-skills && 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 "writing-skills" agent skill from https://github.com/aiskillstore/marketplace/tree/main/skills/sickn33/writing-skills into .opencode/skills/writing-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "writing-skills", 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
writing-skills- GitHub stars
- 433
- Used in
- 5 other repos
- Token cost
- ~1k tokens
- SKILL.md length
- 313 words
- Files
- 26 (incl. references)
- Skills in repo
- 1,044
- Repo updated
- First seen
- Licence
- None found
At a glance
A skill your agent uses when creating, updating, or improving agent skills.
- Works in 3 steps: Create a NEW skill → Improve an EXISTING skill → Verify Compliance
- Improving agent skills
- SKILL.md covers ⚡ Quick Decision Tree, 📚 Component Index, 🛠️ Templates and When to Use, plus 6 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Writing Skills is an agent skill from aiskillstore/marketplace. Use when creating, updating, or improving agent skills.
Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 30 other files, including reference files (for example `anthropic-best-practices.md`, `examples.md` and `gotchas.md`).
It sits in Agent Workflows, covering Skill authoring. The repository describes itself as: Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.
When your agent uses it
- Improving agent skills
- Tasks that involve Skill authoring
Example prompts
- “/writing-skills”
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- Create a NEW skill
- Improve an EXISTING skill
- Verify Compliance
What it can do on your machine
Read from SKILL.md and the folder at commit 44923f3. 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
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash and yaml).
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 1k tokens when it runs, and up to ~9.5k if it reads all its reference files. Until then it costs about 18 tokens; SKILL.md has 313 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
Without a licence we can't republish the file, so here is its outline and opening line. It has 313 words (~1,034 tokens).
“Dispatcher for skill creation excellence. Use the decision tree below to find the right template and standards.”
- name
- writing-skills
- metadata.category
- meta
- metadata.author
- ozy
- metadata.triggers
- new skill, create skill, update skill, skill documentation, skill template, agent skill, writing skill
- metadata.references
- anti-rationalization, cso, standards, templates, testing, tier-1-simple, tier-2-expanded, tier-3-platform
Files
SKILL.md and 25 other files (references) in skills/sickn33/writing-skills of aiskillstore/marketplace.
- SKILL.md
- anthropic-best-practices.md
- examples.md
- gotchas.md
- graphviz-conventions.dot
- persuasion-principles.md
- references/anti-rationalization/README.md
- references/cso/README.md
- references/standards/README.md
- references/standards/metadata-standard.md
- references/templates/discipline.md
- references/templates/pattern.md
- references/templates/reference.md
- references/templates/technique.md
- references/templates/tier-3-platform.md
- references/testing
- … and 10 more
Open the folder on GitHubat commit 44923f3
Used in 5 other repositories
We found 15 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 5 other GitHub owners. This page covers the copy in aiskillstore/marketplace, which our catalogue first saw on October 7, 2026.
- sickn33/agentic-awesome-skillsskills/writing-skillsplugins/agentic-awesome-skills/skills/writing-skills+2 more
- agent-skills-hub/agent-skills-hubskills/writing-skills
- lingxling/awesome-skills-cnantigravity-awesome-skills/skills/writing-skillsantigravity-awesome-skills/plugins/agentic-awesome-skills/skills/writing-skills+2 more
- benjaminasterA/antigravity-awesome-skillsskills/writing-skills
- henryalouf/ruflow.agents/skills/antigravity-awesome-skills/skills/writing-skillssrc/antigravity-awesome-skills/plugins/antigravity-awesome-skills/skills/writing-skills+3 more
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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Writing Skills this skillaiskillstore/marketplace | 433 | 5 repos | ~1k | Automated safety check: Pass | None | |
| Skill CreatorAzure/azqr | 796 | 89 repos | ~8.2k | Automated safety check: Pass | Apache-2.0 | |
| Claude Code Skill Developer Guidediet103/claude-code-infrastructure-showcase | 10k | 11 repos | ~3.5k | Automated safety check: Pass | MIT | |
| Darwin Skill Optimizeralchaincyf/darwin-skill | 6.2k | 1 repos | ~4.7k | Automated safety check: Pass | MIT | |
| Claude Code Command Developmentanthropics/claude-plugins-official | 38k | 10 repos | ~4.8k | Automated safety check: Pass | Apache-2.0 | |
| Claude Code Plugin Structureanthropics/claude-plugins-official | 38k | 10 repos | ~3.4k | Automated safety check: Pass | Apache-2.0 |
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- Official
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Doc Scanner
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File Search
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Find Replace
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Modern find-and-replace using sd (simpler than sed) and batch replacement patterns.
Project Planner
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Detects stale project plans and suggests session commands. An agent skill from aiskillstore/marketplace.
Related
Categories
Questions about Writing Skills
What does Writing Skills do?
A skill your agent uses when creating, updating, or improving agent skills. Writing Skills is an agent skill from aiskillstore/marketplace. Use when creating, updating, or improving agent skills.
When should I use Writing Skills?
Writing Skills fits situations like: improving agent skills; tasks that involve Skill authoring.
How do I install Writing Skills in Claude Code?
Run `npx skills add aiskillstore/marketplace --skill writing-skills -a claude-code`. Or copy the skill folder (skills/sickn33/writing-skills in aiskillstore/marketplace) 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 aiskillstore/marketplace --skill writing-skills -a codex`. Or copy the skill folder (skills/sickn33/writing-skills in aiskillstore/marketplace) 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 aiskillstore/marketplace --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?
SKILL.md names no scripts, command-line tools or credentials: Writing Skills is instructions for the agent only.
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. Review the folder before installing.
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 1k tokens (SKILL.md is roughly 4.1k 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 8.5k 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: Skill Creator (Azure/azqr, 796 stars), Claude Code Skill Developer Guide (diet103/claude-code-infrastructure-showcase, 10k stars), Darwin Skill Optimizer (alchaincyf/darwin-skill, 6.2k stars) and Claude Code Command Development (anthropics/claude-plugins-official, 38k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Writing Skills?
aiskillstore (a GitHub organization) maintains it in aiskillstore/marketplace, which has 433 GitHub stars. The repository holds 1,044 skills in this directory. The repository was last updated on October 10, 2026.
Source: aiskillstore/marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.