Skill Creator
Azure/azqr
Create new skills, modify and improve existing skills, and measure skill performance.
Create and validate tinyagent v0.7 Workspace Skills safely. An agent skill from timczm/tinyagent.
Install Skill Authoring
$ npx skills add timczm/tinyagent --skill skill-authoring -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install timczm/tinyagent skill-authoring --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/timczm/tinyagent.git skills-src && mkdir -p .claude/skills && cp -r skills-src/src/tinyagent/builtin_skills/skill-authoring .claude/skills/skill-authoring && 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 "skill-authoring" agent skill from https://github.com/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoring into .claude/skills/skill-authoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-authoring", 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/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoringType 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 timczm/tinyagent --skill skill-authoring -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install timczm/tinyagent skill-authoring --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/timczm/tinyagent.git skills-src && mkdir -p .agents/skills && cp -r skills-src/src/tinyagent/builtin_skills/skill-authoring .agents/skills/skill-authoring && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "skill-authoring" agent skill from https://github.com/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoring into .agents/skills/skill-authoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-authoring", 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 timczm/tinyagent --skill skill-authoring -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install timczm/tinyagent skill-authoring --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/timczm/tinyagent.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/src/tinyagent/builtin_skills/skill-authoring .cursor/skills/skill-authoring && 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 "skill-authoring" agent skill from https://github.com/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoring into .cursor/skills/skill-authoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-authoring", 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/timczm/tinyagent.git --path src/tinyagent/builtin_skills/skill-authoring--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 timczm/tinyagent --skill skill-authoring -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install timczm/tinyagent skill-authoring --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/timczm/tinyagent.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/src/tinyagent/builtin_skills/skill-authoring .gemini/skills/skill-authoring && 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 "skill-authoring" agent skill from https://github.com/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoring into .gemini/skills/skill-authoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-authoring", 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 timczm/tinyagent skill-authoringInstalls 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 timczm/tinyagent --skill skill-authoring -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/timczm/tinyagent.git skills-src && mkdir -p .github/skills && cp -r skills-src/src/tinyagent/builtin_skills/skill-authoring .github/skills/skill-authoring && 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 "skill-authoring" agent skill from https://github.com/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoring into .github/skills/skill-authoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-authoring", 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 timczm/tinyagent --skill skill-authoring -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install timczm/tinyagent skill-authoring --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/timczm/tinyagent.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/src/tinyagent/builtin_skills/skill-authoring .opencode/skills/skill-authoring && 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 "skill-authoring" agent skill from https://github.com/timczm/tinyagent/tree/main/src/tinyagent/builtin_skills/skill-authoring into .opencode/skills/skill-authoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-authoring", 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-authoring- GitHub stars
- 253
- Token cost
- ~326 tokens
- SKILL.md length
- 142 words
- Files
- 1
- Skills in repo
- 1
- Repo updated
- First seen
- Licence
- MIT
At a glance
Create and validate tinyagent v0.7 Workspace Skills safely. An agent skill from timczm/tinyagent.
- Tasks that involve Skill authoring
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Skill Authoring is an agent skill from timczm/tinyagent. Create and validate tinyagent v0.7 Workspace Skills safely.
Its SKILL.md is about 330 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: tinyagent =0.7,<0.8
It sits in Agent Workflows, covering Skill authoring. The repository describes itself as: The core agent loop in a small Python codebase. The licence is MIT.
When your agent uses it
- Tasks that involve Skill authoring
Example prompts
- “/skill-authoring”
Requirements
- Compatibility (from SKILL.md): tinyagent >=0.7,<0.8
- Pre-approved tools (allowed-tools): read_file, write_file
What it can do on your machine
Read from SKILL.md and the folder at commit 0f43425. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
read_filewrite_file
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
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.
Compatibility
tinyagent >=0.7,<0.8
From compatibility in the SKILL.md frontmatter.
Context cost
Skill Authoring loads about 326 tokens when it runs. Until then it costs about 19 tokens; SKILL.md has 142 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
The full file from timczm/tinyagent at commit 0f43425, republished under its MIT licence (© timczm). 142 words, ~326 tokens.
Download SKILL.mdSave it as
.claude/skills/skill-authoring/SKILL.md (or your agent's skills folder).- name
- skill-authoring
- description
- Create and validate tinyagent v0.7 Workspace Skills safely.
- allowed-tools
- read_file, write_file
- compatibility
- tinyagent >=0.7,<0.8
- version
- 0.7
- author
- tinyagent contributors
- license
- MIT
- metadata.category
- authoring
Authoring tinyagent Skills
A Workspace Skill is skills/<name>/SKILL.md. The directory and frontmatter name
must match and use lowercase kebab-case. Include a non-empty description and body;
use always: true only when every turn genuinely needs the complete instructions.
Run tinyagent skills validate after editing. Skill files are strict UTF-8 YAML plus
Markdown: duplicate keys, unknown top-level fields, custom YAML tags, symlinks, special
files, and resources outside the Skill directory are rejected. allowed-tools and
metadata are informational in v0.7 and cannot grant tools or execute code.
Invoke a non-always Skill for one user turn with its exact, case-sensitive reference,
for example $skill-authoring. Write $$skill-authoring when showing the syntax without
activating it. When the user does not explicitly activate a Skill, tinyagent may select it
from its name and description and call read_skill before following its instructions. Keep
any supporting resources inside the Skill directory.
© timczm, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in src/tinyagent/builtin_skills/skill-authoring of timczm/tinyagent.
Open the folder on GitHubat commit 0f43425
Compare with similar skills
Skill Authoring 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 |
|---|---|---|---|---|---|---|
| Skill Authoring this skilltimczm/tinyagent | 253 | — | ~326 | Automated safety check: Pass | MIT | |
| Skill CreatorAzure/azqr | 795 | 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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diet103/claude-code-infrastructure-showcase
A guide to creating and managing Claude Code skills with auto-activation: skill-rules.json triggers, hooks, enforcement levels, YAML frontmatter and progressive disclosure.
Darwin Skill Optimizer
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Scores SKILL.md files on a nine-dimension rubric, then improves them in a keep-or-revert loop with independent judge agents, test prompts, git history and human checkpoints.
- Official
Claude Code Command Development
anthropics/claude-plugins-official
Explains how to write Claude Code slash commands: Markdown files with YAML frontmatter, arguments, file references, bash context and interactive prompts.
- Official
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Skill Release Gate
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Evaluates an Agent Skill bundle before release for structure, trigger quality, artifact improvement, script correctness, safety, installed-tree integrity and host portability.
Related
Categories
Questions about Skill Authoring
What does Skill Authoring do?
Create and validate tinyagent v0.7 Workspace Skills safely. An agent skill from timczm/tinyagent. Skill Authoring is an agent skill from timczm/tinyagent.7 Workspace Skills safely.
When should I use Skill Authoring?
Skill Authoring fits situations like: tasks that involve Skill authoring.
How do I install Skill Authoring in Claude Code?
Run `npx skills add timczm/tinyagent --skill skill-authoring -a claude-code`. Or copy the skill folder (src/tinyagent/builtin_skills/skill-authoring in timczm/tinyagent) into .claude/skills/skill-authoring in your project. Claude Code loads it when a task matches its description.
How do I install Skill Authoring in Codex?
Run `npx skills add timczm/tinyagent --skill skill-authoring -a codex`. Or copy the skill folder (src/tinyagent/builtin_skills/skill-authoring in timczm/tinyagent) into .agents/skills/skill-authoring in your project. Codex loads it when a task matches its description.
Can I use Skill Authoring 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 timczm/tinyagent --skill skill-authoring -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-authoring, .gemini/skills/skill-authoring, .github/skills/skill-authoring and .opencode/skills/skill-authoring in your project.
What does Skill Authoring need to run?
SKILL.md names no scripts, command-line tools or credentials: Skill Authoring is instructions for the agent only. Its frontmatter pre-approves these tools: read_file, write_file. Compatibility (from SKILL.md): tinyagent >=0.7,<0.8.
Does Skill Authoring 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 Authoring 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 Authoring use?
Skill Authoring is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Skill Authoring use?
About 326 tokens (SKILL.md is roughly 1.3k 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 Authoring?
Skills that share tags, products or a category with Skill Authoring: Skill Creator (Azure/azqr, 795 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 Skill Authoring?
timczm (a GitHub user) maintains it in timczm/tinyagent, which has 253 GitHub stars. The repository was last updated on August 24, 2026.
Source: timczm/tinyagent on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.