skill-creator

Guidance for creating, editing, or improving skills for AI coding assistants.

In plain words
What is it for?
Use it when making a new skill, updating an existing one, improving its instructions, or turning a workflow into a reusable skill.
Why use it?
It helps structure a skill so its instructions and supporting files are clear, useful, and maintainable.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/gpdir16/tabyagent/skill-creator
Any agent
npx skills add gpdir16/tabyAgent --skill skill-creator
Clone the repo
git clone --depth 1 https://github.com/gpdir16/tabyAgent

Made for: Claude Code, Codex.

Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,130 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00077 $0.01130
Opus 5 $0.00039 $0.00565
Sonnet 5 $0.00015 $0.00226
Haiku 4.5 $0.00008 $0.00113

Measured 3d ago against content hash 5a55676ebb84, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

skill-creator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

codes/skills/skill-creator/SKILL.md · 125 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 125 lines · 77 tokens per session scan A 5a55676ebb84

Subscribe to this mod's changes

skill-creator is a skill published in the GitHub repository gpdir16/tabyAgent (18 stars, last pushed 11d ago), licensed AGPL-3.0. It adds 77 tokens to every session and 1,130 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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