hierarchical-agent-files

hierarchical-agent-files is a skill for Claude Code, Codex from zhouyou-gu/skill-marketplace-template. It costs 86 tokens per session (2,229 once invoked), scanned A, original, MIT.

A tool for creating a two-level set of agent files: one parent workspace and multiple direct child workspaces.

In plain words
What is it for?
Use it when two or more sibling folders need their own four-file agent contract under one common parent mission.
Why use it?
It gives related workspaces shared goals and rules while keeping each child workspace's instructions and progress internally consistent.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when two or more sibling folders need their own four-file agent contract under one common parent mission.

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Install with agentmods
npx agentmods add skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files
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 zhouyou-gu/skill-marketplace-template --skill hierarchical-agent-files
Clone the repo
git clone --depth 1 https://github.com/zhouyou-gu/skill-marketplace-template

Made for: Claude Code, Codex.

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 hierarchical-agent-files

README.md
[![agentmods](https://agentmods.dev/badge/skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files/github.svg)](https://agentmods.dev/skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files)
Your own site
<a href="https://agentmods.dev/skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files"><img src="https://agentmods.dev/badge/skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files/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 hierarchical-agent-files

Your own site · 80×15
<a href="https://agentmods.dev/skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files"><img src="https://agentmods.dev/badge/skills/zhouyou-gu/skill-marketplace-template/hierarchical-agent-files.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 86 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,229 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 $0.00086 $0.02229
Opus 5 $0.00043 $0.01115
Sonnet 5 $0.00017 $0.00446
Haiku 4.5 $0.00009 $0.00223

Measured 12d ago against content hash 6d7d8c102eba, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

hierarchical-agent-files 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.

skills/hierarchical-agent-files/SKILL.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Hierarchical Agent Files Scaffold

Trigger

  • Use when a workspace needs a parent-plus-children agent-file hierarchy where each nested folder carries its own four-file contract and the parent carries the canonical progress-scope rule.
  • Use when the single-workspace agent-files skill is not enough because two or more sibling nested workspaces must share a common parent mission and a common harness.
  • Do not use for a flat, single-folder contract; route to agent-files.
  • Do not use for trees deeper than parent + direct children; grandchildren are out of scope in this version.
  • Do not use to retrofit hierarchy onto an existing hand-edited parent that already has non-trivial content in its four files unless overwrite=true.

Inputs

  • parent_dir: directory where the parent four-file contract is scaffolded
  • parent_mission: one- or two-sentence long-term mission statement written into the parent AGENT_GOAL.md; required so the contract is internally consistent on first read. It must not include reusable workflow rules, current state, next steps, or transient objectives.
  • parent_objective: optional transient in-flight objective for the parent AGENT_PROGRESS.md; it must not define permanent mission, scope, policy, or success criteria
  • parent_name: short name used in child cross-references; defaults to basename(parent_dir) with trailing slash stripped
  • children: non-empty list of direct-child workspaces, each with:
    • relative_dir: single path segment (no /, no .., not absolute)
    • mission: child's one- or two-sentence long-term mission statement; it must stay within the parent mission and avoid reusable workflow/current-state details
    • objective: optional transient child in-flight objective
  • overwrite: when true, existing files are replaced through an explicit scaffold overwrite; otherwise compatible existing parent and child files are recorded in files_skipped per node, immutable AGENT.md files are verified rather than patched, and hierarchy changes or verifications run only after upstream and hierarchy compatibility checks pass

Read the full file on GitHub · 83 lines

Files

What ships with it

9 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. 12d ago First seen · 83 lines · 86 tokens per session scan A 6d7d8c102eba

Subscribe to this mod's changes

hierarchical-agent-files is a skill published in the GitHub repository zhouyou-gu/skill-marketplace-template (5 stars, last pushed 19d ago), licensed MIT. It adds 86 tokens to every session and 2,229 once invoked, about $0.0004 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 2026-08-31.

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