create-playbook

create-playbook is a skill for Claude Code from Abilityai/abilities. It costs 25 tokens per session (11,394 once invoked), scanned B, original, MIT.

A guided skill for creating a new coding skill or playbook, meaning a reusable set of instructions for a particular job. It gathers requirements and chooses a template based on the work's complexity.

In plain words
What is it for?
Use it to define a skill's name and purpose, check for similar skills, and generate an appropriate starting template.
Why use it?
It removes the guesswork from structuring a new skill and helps avoid creating one that duplicates an existing skill.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions subagents.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is For concepts and patterns, see the [README](../../README.md)..

Part of the agent-dev plugin — 47 skills shipped together

Good fit Use it to define a skill's name and purpose, check for similar skills, and generate an appropriate starting template.

Compare 6 skills from other repositories ↓
Install

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.

Clone the repo
git clone --depth 1 https://github.com/Abilityai/abilities
agentmods
npx agentmods add skills/abilityai/abilities/create-playbook

Made for: Claude Code.

Or install agent-dev, the plugin that ships this one along with the rest of its 47 skills.

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-playbook

README.md
[![agentmods](https://agentmods.dev/badge/skills/abilityai/abilities/create-playbook/github.svg)](https://agentmods.dev/skills/abilityai/abilities/create-playbook)
Your own site
<a href="https://agentmods.dev/skills/abilityai/abilities/create-playbook"><img src="https://agentmods.dev/badge/skills/abilityai/abilities/create-playbook/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-playbook

Your own site · 80×15
<a href="https://agentmods.dev/skills/abilityai/abilities/create-playbook"><img src="https://agentmods.dev/badge/skills/abilityai/abilities/create-playbook.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 11,394 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. 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 $0.00025 $0.11394
Opus 5.5 $0.00010 $0.04558
Sonnet 5.5 $0.00005 $0.02279
Haiku 4.5 $0.00003 $0.01139

Measured 6d ago against content hash 4ccdeaee9b0e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

create-playbook scanned grade B 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 6d 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.

Enumerates other installed skillsmediumAgent snooping

Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.

ls -d .claude/skills/*/ 2>/dev/null | head -10
plugins/agent-dev/skills/create-playbook/SKILL.md · 504 lines

How it starts

The opening of the file, as written. The whole thing — 504 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create Playbook

ℹ️ First, set expectations: before anything else, print one short line with this skill's version and its most recent change — the top entry of metadata.changelog above — e.g. create-playbook vX.Y — recent: <summary>. Then proceed.

Create a new skill. Determines the right complexity tier and generates from the appropriate template.

For concepts and patterns, see the README. Tier templates are bundled with this skill in templates/ — reference them at runtime via ${CLAUDE_SKILL_DIR}/templates/.


Workflow

Step 1: Check for Existing Skills

ls -d .claude/skills/*/ 2>/dev/null | head -10
ls -d ~/.claude/skills/*/ 2>/dev/null | head -10

If similar skill exists, ask: update it, create variant, or proceed with new?

Step 2: Gather Core Requirements

Ask or extract from context:

  1. Name: lowercase-with-hyphens, descriptive. For project/personal skills the directory name is the command (name: is display-only); for plugin skills name: sets the command segment — keep name and directory identical so they never drift.
  2. Purpose → the description: field: third person, what it does + when to use it, key use case first — the skill listing truncates description + when_to_use at 1,536 characters.
  3. Tools needed: Which tools will it use?

Step 3: Determine Complexity Tier

Ask these questions to classify:

Q1: Does this skill read or write any files, APIs, or external state?

  • NO → Tier 1: Simple Skill (skip to Step 4)
  • YES → Continue to Q2

Q2: Will this run unattended, on a schedule, or need reliability guarantees?

  • NO → Tier 2: Stateful Skill (skip to Step 4)
  • YES → Continue to Q3

Q3: What automation level?

  • Safe to run completely unattended, no approval needed at any point → autonomous
  • Needs human approval at checkpoints → gated
  • Human monitors entire execution → manual

⚠️ Critical: If user says "autonomous" but also mentions approval/review steps, clarify:

"Autonomous playbooks cannot have approval gates — they run unattended and would hang waiting for approval that never comes. Should this be gated instead?"

Read the full file on GitHub · 504 lines

Files

What ships with it

5 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. 6d ago Changed · +1 lines 4ccdeaee9b0e
  2. 7d ago Changed · +1 lines 2ae3d2cd4c5e
  3. 16d ago Changed · +53 lines 88e1fff8edae
  4. 1mo ago Changed · +1 lines e256bce9cf71
  5. 1mo ago First seen · 448 lines · 25 tokens per session scan B 062c180fc8e9

Subscribe to this mod's changes

create-playbook is a skill published in the GitHub repository Abilityai/abilities (12 stars, last pushed 3d ago), licensed MIT. It adds 25 tokens to every session and 11,394 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 1 finding (enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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