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Agent skill

Skill Creator

by MiaoWuNYA in MiaoWuNYA/rikkahub-sillytavern-android

Create new Agent Skills or update existing ones. An agent skill from MiaoWuNYA/rikkahub-sillytavern-android.

AGPL-3.0Auto-check passedAgent Workflows

Install Skill Creator

skills CLI
$ npx skills add MiaoWuNYA/rikkahub-sillytavern-android --skill skill-creator -a claude-code

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

GitHub CLI
$ gh skill install MiaoWuNYA/rikkahub-sillytavern-android 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/MiaoWuNYA/rikkahub-sillytavern-android.git skills-src && mkdir -p .claude/skills && cp -r skills-src/app/src/main/assets/builtin_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/

Facts

Skill name
skill-creator
GitHub stars
100
Token cost
~1.5k tokens
SKILL.md length
847 words
Files
1
Repo updated
First seen
Licence
AGPL-3.0

At a glance

Create new Agent Skills or update existing ones. An agent skill from MiaoWuNYA/rikkahub-sillytavern-android.

  • Works in 6 steps: Understand the use cases. Figure out… → Plan the contents. Decide what goes in… → Check for conflicts. Run ls /skills. If… → …
  • The user wants to make a skill
  • SKILL.md covers Where skills live, Workflow, SKILL.md format and Supporting files, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Skill Creator is an agent skill from MiaoWuNYA/rikkahub-sillytavern-android. Create new Agent Skills or update existing ones. Use when the user wants to make a skill, turn a workflow, prompt, or set of instructions into a reusable skill, or improve a skill in /skills.

Its SKILL.md is about 1.5k 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 and Android development. It works with Android, Google Gemini, OpenAI and Jetpack Compose. The repository describes itself as: 安卓AI聊天端:开箱即聊，无损导入酒馆卡，缓存强省用量，Jev 决策，专属RP模式，防空回，多维记忆，主动信息，前端卡支持，高定制主题，QQbot，AI群聊，插件系统，强兼容中转站。手机移动端原生支持，求 Star 收藏⭐Android AI Chatbox: lossless SillyTavern card import, aggressive…. The licence is AGPL-3.0.

When your agent uses it

  • The user wants to make a skill
  • Turn a workflow
  • Set of instructions into a reusable skill
  • Improve a skill in /skills

Example prompts

  • “/skill-creator”

Workflow steps

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

  1. Understand the use cases. Figure out what the skill should do, when it should trigger, and what good output looks like. If the…
  2. Plan the contents. Decide what goes in SKILL.md, what belongs in reference files, and what repetitive or fragile work should be a script.
  3. Check for conflicts. Run ls /skills. If /skills// already exists, read it first and confirm with the user before overwriting.
  4. Write the files.
  5. Validate with the checklist below. Run every script at least once.
  6. Report the files created, remind the user to enable the skill, and suggest a prompt to try it.

What it can do on your machine

Read from SKILL.md and the folder at commit d49d53e. 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 markdown).

    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 1.5k tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 847 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~51
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

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 MiaoWuNYA/rikkahub-sillytavern-android at commit d49d53e, republished under its AGPL-3.0 licence (© MiaoWuNYA). 847 words, ~1,525 tokens.

Download SKILL.mdSave it as .claude/skills/skill-creator/SKILL.md (or your agent's skills folder).
name
skill-creator
description
Create new Agent Skills or update existing ones. Use when the user wants to make a skill, turn a workflow, prompt, or set of instructions into a reusable skill, or improve a skill in /skills.

Skill Creator

A skill is a directory with a SKILL.md file (YAML frontmatter + Markdown instructions) and optional supporting files. Only the name and description of enabled skills are always in context; the body is loaded with the use_skill tool when a request matches, and supporting files are loaded only when needed.

Where skills live

  • User skills: /skills/<name>/ in the workspace. This directory is writable; create and edit files there directly with workspace_write_file / workspace_edit_file.
  • Built-in skills: /builtin_skills/<name>/, read-only. To customize one, copy it to /skills/<same-name>/ and edit the copy; a user skill overrides a built-in skill with the same name.
  • A new skill shows up in the app's skill list automatically, but is disabled by default. Always tell the user to enable it for their assistant (Skills tab of the extensions panel in the chat input, or the assistant's extension settings).

Workflow

  1. Understand the use cases. Figure out what the skill should do, when it should trigger, and what good output looks like. If the conversation already shows the workflow (e.g. "turn what we just did into a skill"), extract it instead of asking. Ask only about what you cannot infer, and keep questions few.
  2. Plan the contents. Decide what goes in SKILL.md, what belongs in reference files, and what repetitive or fragile work should be a script.
  3. Check for conflicts. Run ls /skills. If /skills/<name>/ already exists, read it first and confirm with the user before overwriting.
  4. Write the files.
  5. Validate with the checklist below. Run every script at least once.
  6. Report the files created, remind the user to enable the skill, and suggest a prompt to try it.

SKILL.md format

markdown
---
name: my-skill
description: What the skill does, and when to use it.
---

# My Skill

Instructions...

Frontmatter rules:

  • The file must start with --- on the first line, and the frontmatter must be closed with ---.
  • name (required): MUST be identical to the directory name. Use lowercase letters, digits and hyphens, at most 64 characters. Never use / or \, and never start with ..
  • description (required): at most 1024 characters, longer text is truncated. This is the only part the model sees before loading the skill, so state both what the skill does and when to use it, including the keywords a user would likely say. Write it in third person.
  • compatibility (optional): environment requirements, e.g. Requires a workspace with python3.
  • All values must be plain strings. Quote a value, or use a >- folded block, if it contains : or #, or starts with a special character such as [, {, *, &, !, |, >, ', ", % or @.

The body contains instructions for the model that will use the skill. Write in the imperative, and keep it focused. Keep it under about 500 lines and move details into reference files.

Show full SKILL.md (410 more words)Show less

Supporting files

Use this layout:

/skills/my-skill/
├── SKILL.md
├── references/   # detailed docs, loaded on demand
├── scripts/      # executable helpers
└── assets/       # templates and other files used in the output
  • References: link each one from SKILL.md with a relative Markdown link, e.g. [API reference](references/api.md). The use_skill tool only loads files whose paths appear in such links. Say when each file should be read. Keep references one level deep, and do not chain references to other references.
  • Scripts: use them for deterministic or repetitive work where writing code each time would be wasteful or error-prone.
    • Scripts only run when the assistant has a workspace.
    • In SKILL.md, refer to scripts by absolute path (e.g. /skills/my-skill/scripts/convert.py) so they work from any working directory, and document their arguments and output.
    • Start each script with a shebang and run chmod +x on it.
    • The workspace rootfs is chosen by the user, so do not assume any interpreter or package is installed. Check with command -v python3 (or similar), and declare requirements in compatibility.
  • Assets: use_skill can only read text files. Binary files can only be used from the workspace.

Do not add README, CHANGELOG or other files that do not help the model do the task.

Writing guidelines

  • Be concise. The model is already capable, so only include knowledge it would not have: domain rules, conventions, exact formats, pitfalls and preferences.
  • Prefer concrete examples over abstract rules. Show input/output pairs when the format matters.
  • Match the level of detail to how fragile the task is. Give exact steps or a script for error-prone operations. Give guidance and let the model decide for open-ended tasks.
  • Give output templates when the result must follow a fixed structure.
  • For a multi-step process, use a numbered checklist the model can follow.

Without a workspace

If workspace tools are unavailable, you cannot write files. Instead, output the complete SKILL.md in a single code block, and tell the user to add it manually from the Agent Skills page (tap +, choose Add manually, and paste the content). A skill with multiple files can be packed as a .zip and added with Import from file.

Validation checklist

  • The directory name equals the name field.
  • The frontmatter parses as YAML: it starts on line 1, is closed with ---, and special characters are quoted.
  • description says what the skill does and when to use it, in at most 1024 characters.
  • Every file linked from SKILL.md exists at that relative path.
  • Every script is executable, has been run successfully, and its requirements are listed in compatibility.
  • Nothing in the skill conflicts with or duplicates an existing skill in /skills or /builtin_skills.

© MiaoWuNYA, AGPL-3.0. 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 app/src/main/assets/builtin_skills/skill-creator of MiaoWuNYA/rikkahub-sillytavern-android.

Open the folder on GitHubat commit d49d53e

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
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Skill Creator this skillMiaoWuNYA/rikkahub-sillytavern-android100—~1.5kAutomated safety check: PassAGPL-3.0
Compose Multiplatform Patternsmonta-app/ocpp-emulator1805 repos~2kAutomated safety check: PassApache-2.0
Android Developmentdpconde/claude-android-skill336—~1.7kAutomated safety check: PassMIT
Claude Android NinjaDrjacky/claude-android-ninja124—~5.2kAutomated safety check: PassApache-2.0
Jetpack Composedarriousliu/PiPixiv263—~1.5kAutomated safety check: PassApache-2.0
Task Workflowikarenkov/Modo343—~2.4kAutomated safety check: PassNone

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Works with

Categories

Questions about Skill Creator

What does Skill Creator do?

Create new Agent Skills or update existing ones. An agent skill from MiaoWuNYA/rikkahub-sillytavern-android. Skill Creator is an agent skill from MiaoWuNYA/rikkahub-sillytavern-android. Create new Agent Skills or update existing ones.

When should I use Skill Creator?

Skill Creator fits situations like: the user wants to make a skill; turn a workflow; set of instructions into a reusable skill; improve a skill in /skills.

How do I install Skill Creator in Claude Code?

Run `npx skills add MiaoWuNYA/rikkahub-sillytavern-android --skill skill-creator -a claude-code`. Or copy the skill folder (app/src/main/assets/builtin_skills/skill-creator in MiaoWuNYA/rikkahub-sillytavern-android) 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 MiaoWuNYA/rikkahub-sillytavern-android --skill skill-creator -a codex`. Or copy the skill folder (app/src/main/assets/builtin_skills/skill-creator in MiaoWuNYA/rikkahub-sillytavern-android) 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 MiaoWuNYA/rikkahub-sillytavern-android --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 AGPL-3.0 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 1.5k tokens (SKILL.md is roughly 6.1k 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: Compose Multiplatform Patterns (monta-app/ocpp-emulator, 180 stars), Android Development (dpconde/claude-android-skill, 336 stars), Claude Android Ninja (Drjacky/claude-android-ninja, 124 stars) and Jetpack Compose (darriousliu/PiPixiv, 263 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Skill Creator?

MiaoWuNYA (a GitHub user) maintains it in MiaoWuNYA/rikkahub-sillytavern-android, which has 100 GitHub stars. The repository was last updated on October 10, 2026.

Source: MiaoWuNYA/rikkahub-sillytavern-android on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.