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.
npx skills add pekral/cursor-rules --skill skill-creatorgit clone --depth 1 https://github.com/pekral/cursor-rulesWrote 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/pekral/cursor-rules/skill-creator)<a href="https://agentmods.dev/skills/pekral/cursor-rules/skill-creator"><img src="https://agentmods.dev/badge/skills/pekral/cursor-rules/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.
<a href="https://agentmods.dev/skills/pekral/cursor-rules/skill-creator"><img src="https://agentmods.dev/badge/skills/pekral/cursor-rules/skill-creator.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00039 | $0.01622 |
| Opus 5.5 | $0.00016 | $0.00649 |
| Sonnet 5.5 | $0.00008 | $0.00324 |
| Haiku 4.5 | $0.00004 | $0.00162 |
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 1mo 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 — 169 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill Creator
Purpose
Author a new Agent skill that fits this repository's conventions and ships ready for review.
Focus on:
- consistent frontmatter and section layout
- behavior aligned with
skill-check.config.jsonlimits - clear Use when, Execution, and Done when sections
- no duplication with existing skills
Constraints
- Apply
@rules/php/core-standards.mdconly once it is established that the skill being created targets PHP code work in a PHP project — skip it for a stack-agnostic or non-PHP skill; do not load the PHP standards when the new skill does not touch PHP. - Apply
@rules/git/general.mdc - Output must be in English
- Do not modify other skills, rules, or production code
- Do not duplicate an existing skill — extend or refactor instead
- Never add behavior beyond what the requested skill needs
Use when
- A new Agent skill must be added to
skills/for an AI agent workflow - An existing workflow that lives only in chat history should be promoted to a reusable skill
- The user asks to "create a skill", "add a skill", or "scaffold a skill"
Inputs the agent must collect
Before generating any file, gather:
- Skill name — kebab-case, ≤ 64 chars, unique under
skills/ - Purpose — one sentence describing what the skill does
- Trigger phrase — the "Use when …" wording for the description
- Scope — read-only review, code change, refactor, delivery, or other
- Required rules — which
rules/**/*.md*files the skill must apply - Integrations — issue tracker, GitHub, MySQL, Telescope, etc. (or none)
- Output expectations — markdown report, code change, PR comment, etc.
If running interactively, confirm the inputs with the user. If running autonomously (e.g. invoked by resolve-issue or a scheduled workflow), infer the inputs from the triggering issue / PR description and state the assumptions in the final summary.
Execution
1. Discover existing skills
- List
skills/and read any skill whose name overlaps semantically with the request. - If an existing skill already covers the workflow, stop and propose an update to that skill instead of creating a new one.
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.
- 1mo ago First seen · 169 lines · 39 tokens per session scan A a8ba7ae70b45
skill-creator is a skill published in the GitHub repository pekral/cursor-rules (11 stars, last pushed 19d ago), licensed MIT. It adds 39 tokens to every session and 1,622 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-03.
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