Borrowing it
Nothing to install: this file belongs to Alexander-M-Dickerson/ai-asset-pricing. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Alexander-M-Dickerson/ai-asset-pricing/main/.claude/skills/create-skill/SKILL.mdgit clone --depth 1 https://github.com/Alexander-M-Dickerson/ai-asset-pricingWrote 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/alexander-m-dickerson/ai-asset-pricing/create-skill)<a href="https://agentmods.dev/skills/alexander-m-dickerson/ai-asset-pricing/create-skill"><img src="https://agentmods.dev/badge/skills/alexander-m-dickerson/ai-asset-pricing/create-skill/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/alexander-m-dickerson/ai-asset-pricing/create-skill"><img src="https://agentmods.dev/badge/skills/alexander-m-dickerson/ai-asset-pricing/create-skill.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 | $0.00029 | $0.04379 |
| Opus 5 | $0.00015 | $0.02190 |
| Sonnet 5 | $0.00006 | $0.00876 |
| Haiku 4.5 | $0.00003 | $0.00438 |
Grade A, and why
create-skill 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 12d 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 — 421 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill Creator & Auditor
Two modes: Create a new skill or Audit an existing one.
Examples
/create-skill wrds-fundamentals-- create a skill namedwrds-fundamentals/create-skill event-study "Auto-apply skill for event study methodology"-- name + description/create-skill audit wrds-psql-- audit a specific skill/create-skill audit all-- audit all skills with summary table
Mode Selection
Parse $ARGUMENTS:
audit,audit <name>, oraudit all→ Audit mode- Everything else (name, description, or empty) → Create mode
CREATE MODE
Six phases: Determine Type → Gather Requirements → Choose Pattern → Generate → Validate → Register.
Phase 1: Determine Type
Parse $ARGUMENTS:
- First token = skill name (validate in Phase 2)
- Remaining tokens (if any) = optional description
If $ARGUMENTS is empty, use AskUserQuestion to ask:
"What do you want to create? Provide a name (lowercase, hyphens) and choose a type."
Three types with different file locations and frontmatter:
| Type | Location | Key frontmatter |
|---|---|---|
User-invocable skill (/name) |
.claude/skills/{name}/SKILL.md |
name, description, argument-hint |
| Auto-apply skill (triggers on task match) | .claude/skills/{name}/SKILL.md |
name, description (includes "Auto-apply when...") |
| Auto-trigger rule (triggers on file paths) | .claude/rules/{name}.md |
description, paths (globs). No name field. |
How to decide (type):
- Does the user explicitly invoke it? → User-invocable skill
- Should it activate whenever Claude works on a matching task? → Auto-apply skill
- Should it activate whenever Claude edits files matching a glob pattern? → Auto-trigger rule
Skill vs Agent decision (ask this first):
| Question | Yes → | No → |
|---|---|---|
| Is the workflow rigid with known inputs? | Skill | Consider agent |
| Does it need judgment, discovery, or error recovery? | Agent | Skill |
| Will it run frequently (>5x/week)? | Skill (token savings compound) | Either |
| Does it need its own tool set or isolation? | Agent | Skill |
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.
- 12d ago First seen · 421 lines · 29 tokens per session scan A 7d326816bab1
create-skill is a skill published in the GitHub repository Alexander-M-Dickerson/ai-asset-pricing (59 stars, last pushed 4mo ago), licensed MIT. It adds 29 tokens to every session and 4,379 once invoked, about $0.0001 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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