Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/dallay/agents-skillsnpx agentmods add skills/dallay/agents-skills/skill-creatorWrote 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.
[](https://agentmods.dev/skills/dallay/agents-skills/skill-creator)<a href="https://agentmods.dev/skills/dallay/agents-skills/skill-creator"><img src="https://agentmods.dev/badge/skills/dallay/agents-skills/skill-creator.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00038 | $0.01258 |
| Opus 5 | $0.00019 | $0.00629 |
| Sonnet 5 | $0.00008 | $0.00252 |
| Haiku 4.5 | $0.00004 | $0.00126 |
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 7d 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.
How it starts
The opening of the file, as written. The whole thing — 195 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill Creator Guide
This guide covers when to create a skill, how to structure it, and how to keep it aligned with the official Agent Skills specification.
When to Create a Skill
Create a skill when:
- A pattern is used repeatedly and AI needs guidance
- Project-specific conventions differ from generic best practices
- Complex workflows need step-by-step instructions
- Decision trees help AI choose the right approach
Don't create a skill when:
- Documentation already exists (create a reference instead)
- Pattern is trivial or self-explanatory
- It's a one-off task
Skill Structure
skills/{skill-name}/
├── SKILL.md # Required - main skill file
├── assets/ # Optional - templates, schemas, examples
│ ├── template.py
│ └── schema.json
└── references/ # Optional - links to local docs
└── docs.md # Points to docs/developer-guide/*.mdx
SKILL.md Template
---
name: {skill-name}
description: >
{What the skill does}. Use when {user intent, nearby cues, or task context}.
license: Apache-2.0
metadata:
author: generic-author
version: "1.0"
---
## When to Use
{Bullet points of when to use this skill}
## Critical Patterns
{The most important rules - what AI MUST know}
## Examples
{Minimal, focused examples or workflows}
## Resources
- **Templates**: See [assets/](assets/) for {description}
- **Documentation**: See [references/](references/) for local docs
Naming Conventions
| Type | Pattern | Examples |
|---|---|---|
| Generic skill | {technology} |
pytest, playwright, typescript |
| Repo-specific | {repo}-{component} |
repo-api, repo-ui, repo-sdk-check |
| Testing skill | test-{component} |
test-sdk, test-api |
| Workflow skill | {action}-{target} |
skill-creator, jira-task |
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 7d ago First seen · 195 lines · 38 tokens per session scan A b7d5c857793a
skill-creator is a skill published in the GitHub repository dallay/agents-skills (2 stars, last pushed 15d ago), licensed MIT. It adds 38 tokens to every session and 1,258 once invoked, about $0.0002 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 2026-08-31.
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