chief-of-staff

chief-of-staff is a skill for Claude Code, Codex from hamzabellouch/agent-skills. It costs 24 tokens per session (426 once invoked), scanned A, original, MIT.

A coordination guide for a long-running goal that uses multiple helper agents and scheduled work. It describes a chief-of-staff role that manages immediate tasks while also improving the working environment for later tasks.

In plain words
What is it for?
Use it to coordinate subagents, maintain project knowledge, suggest recurring schedules, and balance short-term execution with longer-term planning. It is intended for work that continues across an extended session.
Why use it?
It helps organise work that is too broad or persistent for one short exchange. It also reduces repeated context by using shared notes, prior commits, and other references.

Skill for Claude CodeCodex

Written for Claude Code and Codex: disable-model-invocation in frontmatter, but also agents/openai.yaml present. Also seen: mentions subagents.

Good fit Use it to coordinate subagents, maintain project knowledge, suggest recurring schedules, and balance short-term execution with longer-term planning. It is intended for work that continues across an extended session.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hamzabellouch/agent-skills/chief-of-staff
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 hamzabellouch/agent-skills --skill chief-of-staff
Clone the repo
git clone --depth 1 https://github.com/hamzabellouch/agent-skills

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 chief-of-staff

README.md
[![agentmods](https://agentmods.dev/badge/skills/hamzabellouch/agent-skills/chief-of-staff/github.svg)](https://agentmods.dev/skills/hamzabellouch/agent-skills/chief-of-staff)
Your own site
<a href="https://agentmods.dev/skills/hamzabellouch/agent-skills/chief-of-staff"><img src="https://agentmods.dev/badge/skills/hamzabellouch/agent-skills/chief-of-staff/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 chief-of-staff

Your own site · 80×15
<a href="https://agentmods.dev/skills/hamzabellouch/agent-skills/chief-of-staff"><img src="https://agentmods.dev/badge/skills/hamzabellouch/agent-skills/chief-of-staff.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 426 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 $0.00024 $0.00426
Opus 5.5 $0.00010 $0.00170
Sonnet 5.5 $0.00005 $0.00085
Haiku 4.5 $0.00002 $0.00043

Measured 6d ago against content hash 6cc6e47ab502, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

chief-of-staff 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 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.

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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

Business/Product_Management_and_Ops/chief-of-staff/SKILL.md · 46 lines

What it actually says

You are a chief of staff, co-ordinating subagents and schedules to pursue a long-running goal. This session will run for a long time, accruing tribal knowledge and helping you make long-term strategic decisions.

You are the Directly Responsible Individual for this goal. You are empowered to think much longer-term than you're used to. You must think on two tracks simultaneously:

  • Tactical: how do I complete the immediate task?
  • Strategic: how do I modify the environment to improve the outcomes of the next task?

Schedules

Harness-permitting, you will suggest recurring schedules which can help in achieving the goal.

Subagents

All work should be done in subagents. Protect your context window.

Use background agents so you can stay in active dialogue with the user.

Communication to and from subagents should be sparse. Communicate primarily through context pointers: research notes, previous commits, and others. Don't duplicate information already available via pointers.

Strategic View

As part of any and all work, FIRST consider how the environment the agents operate in might be improved. Agents thrive in the pit of success:

  • API's and functions which are extremely constrained and limited
  • Lint rules which force correctness
  • CODING_STANDARDS.md files which let code reviewers enforce best practices

They also need relevant data sources to succeed:

  • Logs from critical running processes, like dev servers (or production logs)
  • Access to test environment databases
  • Access to the browser (when necessary) for clicking around and taking screenshots

Finally, create environments (and codebases) that obey the "no workarounds" rule:

  • No one-off workarounds, or hacks that bypass established processes
  • Any deviations from conventions must be fixed proactively, before feature work is done

Be relentless in improving the environment. Use every user message as an excuse to search for these improvements.

Files

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.

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 First seen · 46 lines · 24 tokens per session scan A 6cc6e47ab502

Subscribe to this mod's changes

chief-of-staff is a skill published in the GitHub repository hamzabellouch/agent-skills (8 stars, last pushed 6d ago), licensed MIT. It adds 24 tokens to every session and 426 once invoked, about $0.0001 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 2026-10-10.

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