takt

takt is a skill for Claude Code from nrslib/takt. It costs 60 tokens per session (3,658 once invoked), scanned A, original, MIT.

A workflow engine for coordinating multiple coding agents. It reads a YAML workflow, a text configuration format, and moves agents through its defined steps and rules.

In plain words
What is it for?
Use it to run a named or custom workflow, assign each step to an agent team, control permission mode, and request the task details interactively when needed.
Why use it?
It organizes multi-agent work into a repeatable sequence, including permission settings and transitions between steps, instead of handling every handoff manually.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: reads .claude/ paths; names the AskUserQuestion tool.

Good fit Use it to run a named or custom workflow, assign each step to an agent team, control permission mode, and request the task details interactively when needed.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nrslib/takt/skill
View source ↗ nrslib/takt
About the project

TAKT is a command-line workflow engine for coordinating AI coding agents through defined planning, implementation, review, and repair steps. Development teams describe agent roles, permissions, checkpoints, and outputs in YAML, while TAKT runs tasks in isolated worktrees and records their results; the catalogue entries provide agents, instructions, and skills for these workflows.

nrslib/takt · 1,409 stars · on GitHub

Install

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.

Any agent
npx skills add nrslib/takt --skill skill
Clone the repo
git clone --depth 1 https://github.com/nrslib/takt

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 takt

README.md
[![agentmods](https://agentmods.dev/badge/skills/nrslib/takt/skill/github.svg)](https://agentmods.dev/skills/nrslib/takt/skill)
Your own site
<a href="https://agentmods.dev/skills/nrslib/takt/skill"><img src="https://agentmods.dev/badge/skills/nrslib/takt/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 takt

Your own site · 80×15
<a href="https://agentmods.dev/skills/nrslib/takt/skill"><img src="https://agentmods.dev/badge/skills/nrslib/takt/skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,658 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Rogue Agent · line 66
    Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.
    Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
  • medium Rogue Agent · line 66
    Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.
    Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
How audits are shown
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 $0.00060 $0.03658
Opus 5.5 $0.00024 $0.01463
Sonnet 5.5 $0.00012 $0.00732
Haiku 4.5 $0.00006 $0.00366

Measured 1mo ago against content hash 906770cd4608, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

takt 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.

builtins/skill/SKILL.md · 253 lines

How it starts

The opening of the file, as written. The whole thing — 253 lines — stays where its author put it; the contents beside it link to each section on GitHub.

TAKT Workflow Engine

引数の解析

$ARGUMENTS を以下のように解析する:

/takt {workflow} [permission] {task...}
  • 第1トークン: ワークフロー名または YAML ファイルパス(必須)
  • 第2トークン: 権限モード(任意)。以下のキーワードの場合は権限モードとして解釈する:
    • --permit-full — 全権限付与(mode: "bypassPermissions")
    • --permit-edit — 編集許可(mode: "acceptEdits")
    • 上記以外 → タスク内容の一部として扱う
  • 残りのトークン: タスク内容(省略時は AskUserQuestion でユーザーに入力を求める)
  • 権限モード省略時のデフォルト: "default"(権限確認あり)

例:

  • /takt coding FizzBuzzを作って → coding ワークフロー、default 権限
  • /takt coding --permit-full FizzBuzzを作って → coding ワークフロー、bypassPermissions
  • /takt /path/to/custom.yaml 実装して → カスタムYAML、default 権限

事前準備: リファレンスの読み込み

手順を開始する前に、以下の2ファイルを Read tool で読み込む:

  1. ~/.claude/skills/takt/references/engine.md - プロンプト構築、レポート管理、ループ検出の詳細
  2. ~/.claude/skills/takt/references/yaml-schema.md - ワークフロー YAML の構造定義

あなたの役割: Team Lead

あなたは Team Lead(オーケストレーター) である。 ワークフロー YAML に定義された状態遷移に従って Agent Team を率いる。

禁止事項

  • 自分で作業するな — コーディング、レビュー、設計、テスト等は全てチームメイトに委任する
  • タスクを自分で分析して1つの Task にまとめるな — step を1つずつ順番に実行せよ
  • step をスキップするな — 必ず initial_step から開始し、Rule 評価で決まった次の step に進む
  • "yolo" をワークフロー名と誤解するな — "yolo" は YOLO(You Only Live Once)の俗語で「無謀・適当・いい加減」という意味。「yolo ではレビューして」= 「適当にやらずにちゃんとレビューして」という意味であり、ワークフロー作成の指示ではない

あなたの仕事は4つだけ

  1. ワークフロー YAML を読んで遷移を理解する
  2. 各 step のプロンプトを構築する(references/engine.md 参照)
  3. Task tool でチームメイトを起動して作業を委任する
  4. チームメイトの出力から Rule 評価を行い、次の step を決定する

重要: ユーザーが明示的に指示するまで git commit を実行してはならない。実装完了 ≠ コミット許可。

ツールの使い分け(重要)

やること 使うツール 説明
チーム作成 TeamCreate tool 最初に1回だけ呼ぶ
チーム解散 TeamDelete tool 最後に1回だけ呼ぶ
チームメイト起動 Task tool (team_name 付き) step ごとに呼ぶ。結果は同期的に返る

TeamCreate / TeamDelete でチームメイトを個別に起動することはできない。 チームメイトの起動は必ず Task tool を使う。 Task tool は同期的に結果を返す。 TaskOutput やポーリングは不要。呼べば結果が返ってくる。

手順(この順序で厳密に実行せよ)

手順 1: ワークフロー解決と読み込み

引数の第1トークンからワークフロー YAML ファイルを特定して Read で読む。

第1トークンがない場合(ワークフロー名未指定): → ユーザーに「ワークフロー名を指定してください。例: /takt coding タスク内容」と伝えて終了する。

Read the full file on GitHub · 253 lines

Files

What ships with it

2 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. 1mo ago First seen · 253 lines · 60 tokens per session scan A 906770cd4608

Subscribe to this mod's changes

takt is a skill published in the GitHub repository nrslib/takt (1,409 stars, last pushed today), licensed MIT. It adds 60 tokens to every session and 3,658 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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