Agent skill

Noon Authoring

by yongkyuns in yongkyuns/noon

Author and review Noon animation scenes using capability-qualified ManimCE-style Python or the shared Rust API.

No licenceAuto-check passedMedia & Creative

Install Noon Authoring

skills CLI
$ npx skills add yongkyuns/noon --skill noon-authoring -a claude-code

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

GitHub CLI
$ gh skill install yongkyuns/noon noon-authoring --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/yongkyuns/noon.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/noon-authoring .claude/skills/noon-authoring && 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
noon-authoring
GitHub stars
133
Token cost
~2k tokens
SKILL.md length
848 words
Files
5 (incl. references)
Skills in repo
1
Repo updated
First seen
Licence
None found

At a glance

Author and review Noon animation scenes using capability-qualified ManimCE-style Python or the shared Rust API.

  • Works in 5 steps: State the important visual states and… → Choose a relevant existing example,… → Write ordinary from noon import * Python… → …
  • A user asks to create
  • SKILL.md covers Discover before writing, Author and inspect, Qualified local preview route and Distribution identity, plus 2 more sections
  • Calls python3, node and bash

What it does

Noon Authoring is an agent skill from yongkyuns/noon. Author and review Noon animation scenes using capability-qualified ManimCE-style Python or the shared Rust API. Use when a user asks to create, explain, repair, or verify a Noon animation, or when scene source imports noon. Not a generic ManimGL skill or a contract for modifying Noon internals.

Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `references/authoring.md`, `references/capabilities.md` and `references/examples.md`). Compatibility notes: Requires a trusted Noon repository checkout, Python 3.12+, and Node 22+ for local capability/MCP tooling. Isolated preview additionally requires Docker, a…

It sits in Media & Creative. It works with Python, Manim and Rust. The repository describes itself as: Animation engine inspired by manim, written in Rust.

When your agent uses it

  • A user asks to create
  • Verify a Noon animation
  • Scene source imports noon

Example prompts

  • “/noon-authoring”

Requirements

  • Python 3
  • Docker
  • Compatibility (from SKILL.md): Requires a trusted Noon repository checkout, Python 3.12+, and Node 22+ for local capability/MCP tooling. Isolated preview additionally requires Docker, a built current browser package, and the repository-pinned preview runtime; capability discovery alone does not render or install dependencies.

Workflow steps

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

  1. State the important visual states and transitions: what appears, what moves,
  2. Choose a relevant existing example, query its current
  3. Write ordinary from noon import * Python for the supported CE-like surface, or
  4. Prefer the qualified local preview CLI or configured Noon MCP tools below when
  5. Revise source based on actual diagnostics and frames. Preserve the original

What it can do on your machine

Read from SKILL.md and the folder at commit e325b72. 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

    Shell commands in SKILL.md call:

    • python3
    • node
    • bash
    • npm

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npm, which can reach the network depending on how they are called.

    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

    Requires a trusted Noon repository checkout, Python 3.12+, and Node 22+ for local capability/MCP tooling. Isolated preview additionally requires Docker, a built current browser package, and the repository-pinned preview runtime; capability discovery alone does not render or install dependencies.

    From compatibility in the SKILL.md frontmatter.

Context cost

Noon Authoring loads about 2k tokens when it runs, and up to ~4.5k if it reads all its reference files. Until then it costs about 78 tokens; SKILL.md has 848 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~78
When it runs · the whole SKILL.md, loaded when a task matches
~2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~4.5k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 848 words (~2,029 tokens).

“Create understandable animations using the supported Noon surface, and distinguish source that looks plausible from output that has actually been rendered and checked. For engine changes, follow the repository's AGENTS.md; this skill is for authoring scenes and does not replace…”

— opening of SKILL.md by yongkyuns
name
noon-authoring
compatibility
Requires a trusted Noon repository checkout, Python 3.12+, and Node 22+ for local capability/MCP tooling. Isolated preview additionally requires Docker, a built current browser package, and the repository-pinned preview runtime; capability discovery alone does not render or install dependencies.
metadata.version
0.2.0

Read the full SKILL.md on GitHub

Files

SKILL.md and 4 other files (references) in skills/noon-authoring of yongkyuns/noon.

  • SKILL.md
  • references/authoring.md
  • references/capabilities.md
  • references/examples.md
  • references/verification.md

Open the folder on GitHubat commit e325b72

Compare with similar skills

Noon 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.

Noon Authoring compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Noon Authoring this skillyongkyuns/noon133—~2kAutomated safety check: PassNone
Remotionzhuzhaoyun/Molio433—~4kAutomated safety check: PassCustom licence
Manim VideoHybridAIOne/hybridclaw159—~4.7kAutomated safety check: NotesMIT
Concept To VideoMathews-Tom/armory329—~4.9kAutomated safety check: PassMIT
Manimautonomous-ai/openharness1.2k—~1.1kAutomated safety check: PassMIT
Manim VideoWrongStack/WrongStack371—~953Automated safety check: PassMIT

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Works with

Questions about Noon Authoring

What does Noon Authoring do?

Author and review Noon animation scenes using capability-qualified ManimCE-style Python or the shared Rust API. Noon Authoring is an agent skill from yongkyuns/noon. Author and review Noon animation scenes using capability-qualified ManimCE-style Python or the shared Rust API.

When should I use Noon Authoring?

Noon Authoring fits situations like: A user asks to create; verify a Noon animation; scene source imports noon.

How do I install Noon Authoring in Claude Code?

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

How do I install Noon Authoring in Codex?

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

Can I use Noon 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 yongkyuns/noon --skill noon-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/noon-authoring, .gemini/skills/noon-authoring, .github/skills/noon-authoring and .opencode/skills/noon-authoring in your project.

What does Noon Authoring need to run?

Going by SKILL.md and its folder, Noon Authoring needs the command-line tools its instructions call (python3, node, bash and npm). Our summary lists: Python 3; Docker. Compatibility (from SKILL.md): Requires a trusted Noon repository checkout, Python 3.12+, and Node 22+ for local capability/MCP tooling. Isolated preview additionally requires Docker, a built current browser package, and the repository-pinned preview runtime; capability discovery alone does not render or install dependencies..

Does Noon Authoring access the network?

SKILL.md contains no URLs. Its commands use npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Noon 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 Noon Authoring use?

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

How many tokens does Noon Authoring use?

About 2k tokens (SKILL.md is roughly 8.1k 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 2.4k tokens, read only when the agent opens those files.

What are the alternatives to Noon Authoring?

Skills that share tags, products or a category with Noon Authoring: Remotion (zhuzhaoyun/Molio, 433 stars), Manim Video (HybridAIOne/hybridclaw, 159 stars), Concept To Video (Mathews-Tom/armory, 329 stars) and Manim (autonomous-ai/openharness, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Noon Authoring?

yongkyuns (a GitHub user) maintains it in yongkyuns/noon, which has 133 GitHub stars. The repository was last updated on October 11, 2026.

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