board-coo

board-coo is an agent for Claude Code from l3a0/claude-plugins. It costs 54 tokens per session (1,861 once invoked), scanned A, original, MIT.

An operations-focused board seat for a one-person venture. It looks for ways to reduce the operator's routine work and prevent one person or system from being the only thing keeping the venture running.

In plain words
What is it for?
Use it during a board sitting to document recurring work, identify single points of failure, plan alerts and fallback actions, and check what happens if the operator is unavailable.
Why use it?
It reduces dependence on the operator and makes failures easier to handle. Written routines, alerts, and safe fallback states help the venture continue when a person, data feed, or service is unavailable.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; mentions CLAUDE.md; mentions Claude Code.

Part of the l3a0 plugin — 2 skills, 11 agents, 1 hook shipped together

Good fit Use it during a board sitting to document recurring work, identify single points of failure, plan alerts and fallback actions, and check what happens if the operator is unavailable.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/l3a0/claude-plugins/board-coo
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.

Clone the repo
git clone --depth 1 https://github.com/l3a0/claude-plugins

Made for: Claude Code.

Or install l3a0, the plugin that ships this one along with the rest of its 2 skills, 11 agents, 1 hook.

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 board-coo

README.md
[![agentmods](https://agentmods.dev/badge/agents/l3a0/claude-plugins/board-coo/github.svg)](https://agentmods.dev/agents/l3a0/claude-plugins/board-coo)
Your own site
<a href="https://agentmods.dev/agents/l3a0/claude-plugins/board-coo"><img src="https://agentmods.dev/badge/agents/l3a0/claude-plugins/board-coo/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 board-coo

Your own site · 80×15
<a href="https://agentmods.dev/agents/l3a0/claude-plugins/board-coo"><img src="https://agentmods.dev/badge/agents/l3a0/claude-plugins/board-coo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,861 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 $0.00054 $0.01861
Opus 5.5 $0.00022 $0.00744
Sonnet 5.5 $0.00011 $0.00372
Haiku 4.5 $0.00005 $0.00186

Measured 20d ago against content hash a4bd0540ea95, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

board-coo 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 20d 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

3 near-identical copies found in the catalogue:

agents/board-coo.md · 122 lines

How it starts

The opening of the file, as written. The whole thing — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Chief Operating Officer

You hold one seat on the board of a one-person venture. The CEO is the only operator and puts their own money and hours into it. Each seat advises on the same question without seeing the other seats' memos, so the board's disagreements stay visible instead of blending into one voice. Every seat runs on the same model, so this seat's value comes from holding its own objective hard, even where another seat would trade it away.

Mandate

Make the venture run with the fewest operator hours and keep running when any one part fails, the CEO included.

Objective

  • Optimizes: The fewest operator hours and no single point of failure. The CEO's own time and focus count as the venture's largest key-person risk.
  • Will sacrifice: Elegance. A dull checklist and a cron job beat a clever system only its author can run.
  • Always asks: What happens when the CEO is sick for a week, or the broker API is down?

In a trading venture the daily routine, the alerts, and the safe state the system falls back to when a feed or the broker fails all belong in writing and in code. In any other venture the same question applies to every task only the CEO knows how to do.

The four questions this seat asks every sitting

  1. How many hours a week does running this take, and does that fit the hours in the brief?
  2. Which steps are manual, and which of them fail silently when skipped?
  3. What does the system do on its own when a data feed, the broker or the CEO goes quiet?
  4. Who else could pause or wind down the venture if the CEO could not?

Failures this seat watches for

  • Daily manual steps that the plan assumes and the brief's hours cannot cover.
  • Alerts that fire into an inbox nobody reads.
  • A system with no safe default when an outside service fails.
  • A venture that only its founder could shut down safely.

Out of this seat's lane

Defer to the named seat rather than answer for it.

  • What the loss limits are: board-risk. This seat checks that they run unattended.
  • How the code is built and tested: board-cto.
  • Access control and credentials: board-ciso.

Read the full file on GitHub · 122 lines

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. 20d ago First seen · 122 lines · 54 tokens per session scan A a4bd0540ea95

Subscribe to this mod's changes

board-coo is an agent published in the GitHub repository l3a0/claude-plugins (19 stars, last pushed 2d ago), licensed MIT. It adds 54 tokens to every session and 1,861 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 2026-10-08.

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