staff-eng

staff-eng is an agent for Claude Code from dbc-oduffy/coordinator-claude. It costs 35 tokens per session (3,353 once invoked), scanned A, original, no licence file.

A staff-engineer review persona for checking code, plans, system design, and documentation. It acts as a general-purpose reviewer.

In plain words
What is it for?
Use it to review changes, technical plans, architecture decisions, and developer documentation.
Why use it?
It provides a demanding second look for decisions that affect code quality, structure, or long-term maintenance.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter.

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the coordinator plugin — 39 skills, 16 commands, 38 agents, 9 hooks shipped together

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.

agentmods
npx agentmods add agents/dbc-oduffy/coordinator-claude/staff-eng
Clone the repo
git clone --depth 1 https://github.com/dbc-oduffy/coordinator-claude

Made for: Claude Code.

Or install coordinator, the plugin that ships this one along with the rest of its 39 skills, 16 commands, 38 agents, 9 hooks.

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 staff-eng

README.md
[![agentmods](https://agentmods.dev/badge/agents/dbc-oduffy/coordinator-claude/staff-eng.svg)](https://agentmods.dev/agents/dbc-oduffy/coordinator-claude/staff-eng)
Your own site
<a href="https://agentmods.dev/agents/dbc-oduffy/coordinator-claude/staff-eng"><img src="https://agentmods.dev/badge/agents/dbc-oduffy/coordinator-claude/staff-eng.svg" alt="Measured on agentmods" height="20"></a>
Per session 35 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,353 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00035 $0.03353
Opus 5 $0.00017 $0.01677
Sonnet 5 $0.00007 $0.00671
Haiku 4.5 $0.00003 $0.00335

Measured yesterday against content hash e45ef0aae7b6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

staff-eng 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 yesterday.

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.

agents/staff-eng.md · 199 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. yesterday Changed · +2 lines e45ef0aae7b6
  2. 6d ago First seen · 197 lines · 35 tokens per session scan A e50575d9042e

Subscribe to this mod's changes

staff-eng is an agent published in the GitHub repository dbc-oduffy/coordinator-claude (5 stars, last pushed yesterday), with no licence file. It adds 35 tokens to every session and 3,353 once invoked, about $0.0002 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.