skill-creator

skill-creator is a skill for Claude Code, Codex from AgentTeam-TaichuAI/ScienceClaw. It costs 136 tokens per session (9,002 once invoked), scanned C, original, no licence file.

A guide for creating, editing, improving, and testing reusable instructions for a coding agent. It also helps measure how well those instructions work.

In plain words
What is it for?
Use it to write a skill’s SKILL.md file, update an existing skill, design a workflow as a skill, or run evaluations and benchmarks.
Why use it?
It gives a structured way to turn a repeated workflow into an agent skill and check whether changes improve its results.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it to write a skill’s SKILL.md file, update an existing skill, design a workflow as a skill, or run evaluations and benchmarks.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/agentteam-taichuai/scienceclaw/skill-creator
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.

Any agent
npx skills add AgentTeam-TaichuAI/ScienceClaw --skill skill-creator
Clone the repo
git clone --depth 1 https://github.com/AgentTeam-TaichuAI/ScienceClaw

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for skill-creator

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentteam-taichuai/scienceclaw/skill-creator/github.svg)](https://agentmods.dev/skills/agentteam-taichuai/scienceclaw/skill-creator)
Your own site
<a href="https://agentmods.dev/skills/agentteam-taichuai/scienceclaw/skill-creator"><img src="https://agentmods.dev/badge/skills/agentteam-taichuai/scienceclaw/skill-creator/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for skill-creator

Your own site · 80×15
<a href="https://agentmods.dev/skills/agentteam-taichuai/scienceclaw/skill-creator"><img src="https://agentmods.dev/badge/skills/agentteam-taichuai/scienceclaw/skill-creator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 136 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 9,002 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00136 $0.09002
Opus 5 $0.00068 $0.04501
Sonnet 5 $0.00027 $0.01800
Haiku 4.5 $0.00014 $0.00900

Measured 9d ago against content hash b5c2b1b6206e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade C, and why

skill-creator scanned grade C with 1 finding 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 9d ago.

The scan reads SKILL.md. This mod also ships 10 executable files (eval-viewer/generate_review.py, scripts/__init__.py, scripts/aggregate_benchmark.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Hidden instructionshighPrompt injection

Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.

<!-- Original Claude Code instructions preserved for reference -->
ScienceClaw/backend/builtin_skills/skill-creator/SKILL.md · 655 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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. 9d ago First seen · 655 lines · 136 tokens per session scan C b5c2b1b6206e

Subscribe to this mod's changes

skill-creator is a skill published in the GitHub repository AgentTeam-TaichuAI/ScienceClaw (661 stars, last pushed 4mo ago), with no licence file. It adds 136 tokens to every session and 9,002 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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