brief

brief is a skill for Claude Code from SyloRei/claude-godmode. It costs 46 tokens per session (3,564 once invoked), scanned A, original, MIT.

A command that turns one numbered roadmap item into a brief containing its purpose, scope, and verifiable acceptance criteria. A roadmap is a planned sequence of work.

In plain words
What is it for?
Use it after creating a roadmap and before planning or building a unit, producing a BRIEF.md file in the active mission's planning folder.
Why use it?
It gives implementation a clear written contract and reduces uncertainty about what is included and how completion will be checked.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the claude-godmode plugin — 14 skills, 4 commands, 19 agents, 7 hooks, 3 MCP servers shipped together

Good fit Use it after creating a roadmap and before planning or building a unit, producing a BRIEF.md file in the active mission's planning folder.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add SyloRei/claude-godmode
Claude Code
/plugin install claude-godmode

Made for: Claude Code.

Or install claude-godmode, the plugin that ships this one along with the rest of its 14 skills, 4 commands, 19 agents, 7 hooks, 3 MCP servers.

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 brief

README.md
[![agentmods](https://agentmods.dev/badge/skills/sylorei/claude-godmode/brief/github.svg)](https://agentmods.dev/skills/sylorei/claude-godmode/brief)
Your own site
<a href="https://agentmods.dev/skills/sylorei/claude-godmode/brief"><img src="https://agentmods.dev/badge/skills/sylorei/claude-godmode/brief/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 brief

Your own site · 80×15
<a href="https://agentmods.dev/skills/sylorei/claude-godmode/brief"><img src="https://agentmods.dev/badge/skills/sylorei/claude-godmode/brief.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,564 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 $0.00046 $0.03564
Opus 5 $0.00023 $0.01782
Sonnet 5 $0.00009 $0.00713
Haiku 4.5 $0.00005 $0.00356

Measured 9d ago against content hash 2dbf0cc9ecf4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

brief 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 9d 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/brief/SKILL.md · 249 lines

How it starts

The opening of the file, as written. The whole thing — 249 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Brief

Capture everything implementation needs for roadmap unit $N in one artifact: why it matters (problem/goal), what is in and out of scope, and a spec of verifiable acceptance criteria. A good brief leaves no room for "I assumed you meant…".

Run after /mission has produced a numbered roadmap. The brief is the contract /plan N and /build N read from. This is the second step of the spine: /mission/brief N/plan N/build N/verify N/ship.

The artifact lives in the consumer's repo, never in the plugin source, scoped to the active mission:

  • .planning/missions/<mission_id>/briefs/NN-name/BRIEF.md — the single brief for roadmap unit $N.

<mission_id> is the active mission's NN-slug, resolved from workflow state ("$gm/godmode-state" get mission_id; see the helper-resolution note in Process), so /brief always operates on whatever mission is currently active. .planning/PROJECT.md and .planning/STATE.md stay at the .planning/ root (project-global).

One brief artifact per unit. No second file at this step — /plan N adds PLAN.md later. Write BRIEF.md and nothing else.


Auto Mode

Auto Mode suppresses confirmation prompts, not the clarifying questions that decide what gets built. The brief is where this unit's quality is set — a spec built on silent guesses sends /plan and /build confidently in the wrong direction. So in either mode:

  • Ask the consequential questions — the ones whose answer materially changes the spec (scope edges, the exact bar for "done", behavioral choices that genuinely diverge, hard constraints) AND that the roadmap entry / .planning/PROJECT.md / README / repo cannot answer. Auto Mode does not waive these; it just batches them.
  • Assume the trivial — for low-stakes gaps the context reasonably implies, pick a sensible default and record it under an Assumptions heading instead of asking.
  • Never ask what the repo already answers. Treat user course-corrections as normal input.

Read the full file on GitHub · 249 lines

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. 9d ago First seen · 249 lines · 46 tokens per session scan A 2dbf0cc9ecf4

Subscribe to this mod's changes

brief is a skill published in the GitHub repository SyloRei/claude-godmode (3 stars, last pushed 3mo ago), licensed MIT. It adds 46 tokens to every session and 3,564 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.

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