Agent skill

Skill Creator

Create new AI agent skills for Claude Code, Codex, and Cursor.

Apache-2.0Auto-check passedAgent Workflows

Install Skill Creator

skills CLI

$ npx skills add stacklok/toolhive-studio --skill skill-creator -a claude-code

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

GitHub CLI

$ gh skill install stacklok/toolhive-studio skill-creator --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/stacklok/toolhive-studio.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/skill-creator .claude/skills/skill-creator && 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/

Paste into Claude Code

Install the "skill-creator" agent skill from https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator into .claude/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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

$skill-installer install https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator

Type 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.

skills CLI

$ npx skills add stacklok/toolhive-studio --skill skill-creator -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install stacklok/toolhive-studio skill-creator --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/stacklok/toolhive-studio.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.codex/skills/skill-creator .agents/skills/skill-creator && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "skill-creator" agent skill from https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator into .agents/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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.

skills CLI

$ npx skills add stacklok/toolhive-studio --skill skill-creator -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install stacklok/toolhive-studio skill-creator --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/stacklok/toolhive-studio.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.codex/skills/skill-creator .cursor/skills/skill-creator && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "skill-creator" agent skill from https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator into .cursor/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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

$ gemini skills install https://github.com/stacklok/toolhive-studio.git --path .codex/skills/skill-creator

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add stacklok/toolhive-studio --skill skill-creator -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install stacklok/toolhive-studio skill-creator --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/stacklok/toolhive-studio.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.codex/skills/skill-creator .gemini/skills/skill-creator && rm -rf skills-src

Use ~/.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/

Paste into Gemini CLI

Install the "skill-creator" agent skill from https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator into .gemini/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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.

GitHub CLI

$ gh skill install stacklok/toolhive-studio skill-creator

Installs 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).

skills CLI

$ npx skills add stacklok/toolhive-studio --skill skill-creator -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/stacklok/toolhive-studio.git skills-src && mkdir -p .github/skills && cp -r skills-src/.codex/skills/skill-creator .github/skills/skill-creator && rm -rf skills-src

Use ~/.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/

Paste into GitHub Copilot

Install the "skill-creator" agent skill from https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator into .github/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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.

skills CLI

$ npx skills add stacklok/toolhive-studio --skill skill-creator -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install stacklok/toolhive-studio skill-creator --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/stacklok/toolhive-studio.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.codex/skills/skill-creator .opencode/skills/skill-creator && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "skill-creator" agent skill from https://github.com/stacklok/toolhive-studio/tree/main/.codex/skills/skill-creator into .opencode/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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: skill-creator
GitHub stars: 170
Token cost: ~677 tokens
SKILL.md length: 199 words
Files: 1
Skills in repo: 9
Repo updated: Oct 7, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Create new AI agent skills for Claude Code, Codex, and Cursor.

Works in 3 steps: Claude is canonical - Always create/edit… → Replicate with CLI - Copy to… → Format differences - Use sed only if…
Asked to create a skill
SKILL.md covers Workflow, Directory Structure, SKILL.md Format and Creating a New Skill, plus 2 more sections
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Skill Creator is an agent skill from stacklok/toolhive-studio. Create new AI agent skills for Claude Code, Codex, and Cursor. Use when asked to create a skill, add a new agent capability, or set up a slash command.

Its SKILL.md is about 680 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Agent Workflows, covering Skill authoring, Hooks and plugins and MCP servers. It works with Model Context Protocol. The repository describes itself as: ToolHive is an application that allows you to install, manage and run MCP servers and connect them to AI agents. The licence is Apache-2.0.

When your agent uses it

Asked to create a skill
Add a new agent capability
Set up a slash command

Example prompts

“/skill-creator”

Workflow steps

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

Claude is canonical - Always create/edit in .claude/skills// first
Replicate with CLI - Copy to .codex/skills/ and .cursor/skills/ using cp -r
Format differences - Use sed only if agent-specific tweaks are needed (rare)

What it can do on your machine

Read from SKILL.md and the folder at commit 87f7a55. 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

Skill Creator loads about 677 tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 199 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~41
When it runs · the whole SKILL.md, loaded when a task matches: ~677

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

The full file from stacklok/toolhive-studio at commit 87f7a55, republished under its Apache-2.0 licence (© stacklok). 199 words, ~677 tokens.

Download SKILL.mdSave it as .claude/skills/skill-creator/SKILL.md (or your agent's skills folder).

name: skill-creator
description: Create new AI agent skills for Claude Code, Codex, and Cursor. Use when asked to create a skill, add a new agent capability, or set up a slash command.

Skill Creator

Create AI agent skills that work across Claude Code, Codex, and Cursor.

Workflow

Claude is canonical - Always create/edit in .claude/skills/<name>/ first
Replicate with CLI - Copy to .codex/skills/ and .cursor/skills/ using cp -r
Format differences - Use sed only if agent-specific tweaks are needed (rare)

Directory Structure

.claude/skills/<skill-name>/
├── SKILL.md          # Required - instructions + metadata
├── references/       # Optional - supporting documentation
├── scripts/          # Optional - executable helpers
└── assets/           # Optional - templates, resources

.codex/skills/<skill-name>/   # Copy of Claude's
.cursor/skills/<skill-name>/  # Copy of Claude's

SKILL.md Format

yaml

---
name: skill-name # Required: lowercase, hyphens, max 64 chars
description: What it does... # Required: triggers auto-selection by agent
allowed-tools: Read, Grep, Bash # Optional: Claude-specific (ignored by others)
model: claude-opus-4-5-20251101 # Optional: Claude-specific (ignored by others)
---
# Skill Title

Instructions in markdown...

Required Fields

name: Lowercase with hyphens, must match directory name
description: Explains what the skill does and when to use it. Include keywords users would say to help the agent auto-select this skill.

Optional Fields (Claude-specific, ignored by other agents)

allowed-tools: Tools the agent can use without asking permission
model: Override the model for this skill
context: fork: Run in isolated subagent context

Creating a New Skill

Ask the user what the skill should do
Choose a descriptive name (lowercase, hyphens)
Create the Claude skill:
bash
```
mkdir -p .claude/skills/<name>
```
Write .claude/skills/<name>/SKILL.md with proper frontmatter

Replicate to other agents:

bash

cp -r .claude/skills/<name> .codex/skills/
cp -r .claude/skills/<name> .cursor/skills/

Modifying an Existing Skill

Edit .claude/skills/<name>/SKILL.md (canonical source)

Replicate changes:

bash

cp .claude/skills/<name>/SKILL.md .codex/skills/<name>/
cp .claude/skills/<name>/SKILL.md .cursor/skills/<name>/

Best Practices

Keep skills focused on a single capability
Write clear descriptions with keywords for auto-discovery
Use references/ for lengthy documentation to keep SKILL.md concise
Test the skill by asking the agent to perform the task

Files

Just SKILL.md in .codex/skills/skill-creator of stacklok/toolhive-studio.

Open the folder on GitHubat commit 87f7a55

Compare with similar skills

Skill Creator 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 Creator compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Skill Creator this skillstacklok/toolhive-studio	170	—	~677	Automated safety check: Pass	Apache-2.0	yesterday
Mistral Vibe Plugin Creatormistralai/mistral-vibe	5.1k	—	~3.1k	Automated safety check: Pass	Apache-2.0	yesterday
Codewhale Skill Creatorcodewhale-hq/Codewhale	41k	—	~1k	Automated safety check: Pass	MIT	today
MCP Integration for Pluginsanthropics/claude-plugins-official	37k	11 repos	~3.1k	Automated safety check: Pass	Apache-2.0	yesterday
Crush Configurationcharmbracelet/crush	29k	—	~3.7k	Automated safety check: Pass	Custom licence	yesterday
Skill Seekers Builderyusufkaraaslan/Skill_Seekers	15k	—	~760	Automated safety check: Pass	MIT	7 days ago

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Questions about Skill Creator

What does Skill Creator do?

Create new AI agent skills for Claude Code, Codex, and Cursor. Skill Creator is an agent skill from stacklok/toolhive-studio. Create new AI agent skills for Claude Code, Codex, and Cursor.

When should I use Skill Creator?

Skill Creator fits situations like: asked to create a skill; add a new agent capability; set up a slash command.

How do I install Skill Creator in Claude Code?

Run `npx skills add stacklok/toolhive-studio --skill skill-creator -a claude-code`. Or copy the skill folder (.codex/skills/skill-creator in stacklok/toolhive-studio) into .claude/skills/skill-creator in your project. Claude Code loads it when a task matches its description.

How do I install Skill Creator in Codex?

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

Can I use Skill Creator 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 stacklok/toolhive-studio --skill skill-creator -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/skill-creator, .gemini/skills/skill-creator, .github/skills/skill-creator and .opencode/skills/skill-creator in your project.

What does Skill Creator need to run?

SKILL.md names no scripts, command-line tools or credentials: Skill Creator is instructions for the agent only.

Does Skill Creator 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 Skill Creator 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 Skill Creator use?

Skill Creator is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Skill Creator use?

About 677 tokens (SKILL.md is roughly 2.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Skill Creator?

Skills that share tags, products or a category with Skill Creator: Mistral Vibe Plugin Creator (mistralai/mistral-vibe, 5.1k stars), Codewhale Skill Creator (codewhale-hq/Codewhale, 41k stars), MCP Integration for Plugins (anthropics/claude-plugins-official, 37k stars) and Crush Configuration (charmbracelet/crush, 29k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Skill Creator?

stacklok (a GitHub organization) maintains it in stacklok/toolhive-studio, which has 170 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on October 7, 2026.

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

Install Skill Creator

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Skill Creator

Workflow

Directory Structure

SKILL.md Format

Required Fields

Optional Fields (Claude-specific, ignored by other agents)

Creating a New Skill

Modifying an Existing Skill

Best Practices

Files

Compare with similar skills

Similar skills

More from stacklok/toolhive-studio

Related

Questions about Skill Creator