awesome-second-brain: Skill for Claude Code

.claude/skills/create-skill/SKILL.md

create-skill is a skill for Claude Code from superuser-pal/awesome-second-brain. It costs 41 tokens per session (620 once invoked), scanned A, original, MIT.

A guided tool for creating and checking skills in a PAL Second Brain vault, a folder of notes and working files. Each skill is a reusable set of instructions with a required SKILL.md file and optional workflow files.

In plain words
What is it for?
Use it to create, validate, update, or reorganize a skill and its workflow files.
Why use it?
It helps keep skill folders, names, and instruction files in the required structure. This reduces errors when adding or changing workflows.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: reads .claude/ paths.

This is superuser-pal/awesome-second-brain's own configuration. It tells Claude Code how to work on awesome-second-brain itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything awesome-second-brain configures →

Reuse

Borrowing it

Nothing to install: this file belongs to superuser-pal/awesome-second-brain. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/superuser-pal/awesome-second-brain/main/.claude/skills/create-skill/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/superuser-pal/awesome-second-brain

Made for: Claude Code.

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 create-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/superuser-pal/awesome-second-brain/create-skill/github.svg)](https://agentmods.dev/skills/superuser-pal/awesome-second-brain/create-skill)
Your own site
<a href="https://agentmods.dev/skills/superuser-pal/awesome-second-brain/create-skill"><img src="https://agentmods.dev/badge/skills/superuser-pal/awesome-second-brain/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.

agentmods 80×15 button for create-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/superuser-pal/awesome-second-brain/create-skill"><img src="https://agentmods.dev/badge/skills/superuser-pal/awesome-second-brain/create-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 620 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 $0.00041 $0.00620
Opus 5.5 $0.00016 $0.00248
Sonnet 5.5 $0.00008 $0.00124
Haiku 4.5 $0.00004 $0.00062

Measured 2mo ago against content hash f1ffc428176f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

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 2mo 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.

.claude/skills/create-skill/SKILL.md · 70 lines

How it starts

The opening of the file, as written. The whole thing — 70 lines — stays where its author put it; the contents beside it link to each section on GitHub.

create-skill

Creates and validates skills for the PAL Second Brain vault. Skills live in .claude/skills/[name]/ and follow the canonical flat structure defined in SKILL-LOGIC.md.

Authoritative Source

Before creating or validating any skill, read:

  • .claude/core/system/SKILL-LOGIC.md — naming conventions, structure rules, SKILL.md format

Skill Structure (Quick Reference)

.claude/skills/[skill-name]/
├── SKILL.md                    # Required — entry point and routing table
└── workflows/                  # One file per workflow
    └── workflow_name.md

Naming:

  • Directory: lower-kebab-case
  • SKILL.md: uppercase
  • Workflow files: kebab-case.md
  • YAML name: field: lower-kebab-case (matches directory)

No tools/, context/, docs/, or resources/ subdirectories. Context files live at skill root if needed.

Workflow Routing

Workflow Trigger File
create-skill "create skill", "new skill", "build skill" workflows/create-skill.md
validate-skill "validate skill", "check skill", "audit skill" workflows/validate-skill.md
update-skill "update skill", "add workflow", "modify skill" workflows/update-skill.md
canonicalize-skill "canonicalize skill", "fix skill structure", "clean up skill" workflows/canonicalize-skill.md

Examples

Example 1: Create a new skill

User: "Create a skill for managing cooking recipes"
→ Invokes create-skill workflow
→ Reads SKILL-LOGIC.md
→ Creates .claude/skills/recipe-manager/ with SKILL.md + workflows/
→ Generates USE WHEN triggers based on intent
→ Registers in reference/SYSTEM-INDEX.md

Example 2: Validate an existing skill

User: "Validate the daily-rituals skill"
→ Invokes validate-skill workflow
→ Checks naming, frontmatter, workflow routing table, Examples section
→ Checks registration in reference/SYSTEM-INDEX.md
→ Reports compliance with issues and fixes

Example 3: Fix a skill with old structure

User: "Canonicalize the qmd skill"
→ Invokes canonicalize-skill workflow
→ Renames any wrongly-named files
→ Ensures SKILL.md has correct format
→ Verifies workflow routing table is accurate

Read the full file on GitHub · 70 lines

Files

What ships with it

4 files 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.

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. 2mo ago First seen · 70 lines · 41 tokens per session scan A f1ffc428176f

Subscribe to this mod's changes

create-skill is a skill published in the GitHub repository superuser-pal/awesome-second-brain (16 stars, last pushed 6mo ago), licensed MIT. It adds 41 tokens to every session and 620 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 2026-08-30.

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