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Agent skill

Design Brief

by Owl-Listener in Owl-Listener/designer-skills

Write a project brief — problem space, constraints, audience, and success criteria.

MITAuto-check passed

Install Design Brief

skills CLI
$ npx skills add Owl-Listener/designer-skills --skill design-brief -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Owl-Listener/designer-skills design-brief --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Owl-Listener/designer-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/ux-strategy/skills/design-brief .claude/skills/design-brief && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
design-brief
GitHub stars
2.9k
Used in
1 other repo
Token cost
~305 tokens
SKILL.md length
115 words
Files
1
Skills in repo
107
Repo updated
First seen
Licence
MIT

At a glance

Write a project brief — problem space, constraints, audience, and success criteria.

  • Works in 7 steps: Project Overview — Name, summary,… → Problem Statement — What, who, evidence,… → Target Audience — Primary/secondary… → …
  • SKILL.md covers What You Do, Brief Structure and Best Practices
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Design Brief is an agent skill from Owl-Listener/designer-skills. Write a project brief — problem space, constraints, audience, and success criteria. Use at kickoff for one specific project. For long-horizon aspiration use north-star-vision; for reusable decision rules use design-principles.

Its SKILL.md is about 310 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Designer Skills Collection: agentic skills, commands, and plugins for design — from research to systems, UI, interaction, and delivery. The licence is MIT.

Example prompts

  • “/design-brief”

Workflow steps

7 steps, taken from the first numbered list in SKILL.md.

  1. Project Overview — Name, summary, business context, stakeholder
  2. Problem Statement — What, who, evidence, consequences
  3. Target Audience — Primary/secondary users, characteristics, personas
  4. Goals and Success Criteria — Design goal, metrics, qualitative indicators
  5. Scope and Constraints — In/out of scope, technical/brand/timeline/legal
  6. Context and Inputs — Research, competitive refs, previous attempts
  7. Deliverables and Timeline — Outputs, milestones, review points, deadline

What it can do on your machine

Read from SKILL.md and the folder at commit 9a6930c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Design Brief loads about 305 tokens when it runs. Until then it costs about 61 tokens; SKILL.md has 115 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~305

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from Owl-Listener/designer-skills at commit 9a6930c, republished under its MIT licence (© Owl-Listener). 115 words, ~305 tokens.

Download SKILL.mdSave it as .claude/skills/design-brief/SKILL.md (or your agent's skills folder).
name
design-brief
description
Write a project brief — problem space, constraints, audience, and success criteria. Use at kickoff for one specific project. For long-horizon aspiration use `north-star-vision`; for reusable decision rules use `design-principles`.

Design Brief

You are an expert in writing design briefs that set teams up for focused, effective work.

What You Do

You create briefs defining problem, audience, constraints, and success criteria.

Brief Structure

  1. Project Overview — Name, summary, business context, stakeholder
  2. Problem Statement — What, who, evidence, consequences
  3. Target Audience — Primary/secondary users, characteristics, personas
  4. Goals and Success Criteria — Design goal, metrics, qualitative indicators
  5. Scope and Constraints — In/out of scope, technical/brand/timeline/legal
  6. Context and Inputs — Research, competitive refs, previous attempts
  7. Deliverables and Timeline — Outputs, milestones, review points, deadline

Best Practices

  • Concise but complete
  • Focus on problem, not predetermined solution
  • Include measurable success criteria
  • Get stakeholder sign-off before starting
  • Reference throughout the project

© Owl-Listener, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in ux-strategy/skills/design-brief of Owl-Listener/designer-skills.

Open the folder on GitHubat commit 9a6930c

Used in 1 other repository

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in Owl-Listener/designer-skills, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Design Brief next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Design Brief compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Design Brief this skillOwl-Listener/designer-skills2.9k1 repos~305Automated safety check: PassMIT
Briefalirezarezvani/claude-skills28k—~967Automated safety check: PassMIT
Is This A Problemanthropics/claude-for-legal9.6k2 repos~2.3kAutomated safety check: PassApache-2.0
Briefdavepoon/buildwithclaude3.6k—~1.3kAutomated safety check: NotesMIT
Maintain Spaceasgeirtj/system_prompts_leaks69k—~1.6kAutomated safety check: PassCC0-1.0
Organize Spaceasgeirtj/system_prompts_leaks69k—~1.6kAutomated safety check: PassCC0-1.0

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All 107 skills in this repo

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  • Animation Principles

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  • Business Design

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Questions about Design Brief

What does Design Brief do?

Write a project brief — problem space, constraints, audience, and success criteria. Design Brief is an agent skill from Owl-Listener/designer-skills. Write a project brief — problem space, constraints, audience, and success criteria.

How do I install Design Brief in Claude Code?

Run `npx skills add Owl-Listener/designer-skills --skill design-brief -a claude-code`. Or copy the skill folder (ux-strategy/skills/design-brief in Owl-Listener/designer-skills) into .claude/skills/design-brief in your project. Claude Code loads it when a task matches its description.

How do I install Design Brief in Codex?

Run `npx skills add Owl-Listener/designer-skills --skill design-brief -a codex`. Or copy the skill folder (ux-strategy/skills/design-brief in Owl-Listener/designer-skills) into .agents/skills/design-brief in your project. Codex loads it when a task matches its description.

Can I use Design Brief in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Owl-Listener/designer-skills --skill design-brief -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/design-brief, .gemini/skills/design-brief, .github/skills/design-brief and .opencode/skills/design-brief in your project.

What does Design Brief need to run?

SKILL.md names no scripts, command-line tools or credentials: Design Brief is instructions for the agent only.

Does Design Brief access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Design Brief safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Design Brief use?

Design Brief is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Design Brief use?

About 305 tokens (SKILL.md is roughly 1.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Design Brief?

Skills that share tags, products or a category with Design Brief: Brief (alirezarezvani/claude-skills, 28k stars), Is This A Problem (anthropics/claude-for-legal, 9.6k stars), Brief (davepoon/buildwithclaude, 3.6k stars) and Maintain Space (asgeirtj/system_prompts_leaks, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Design Brief?

Owl-Listener (a GitHub user) maintains it in Owl-Listener/designer-skills, which has 2,871 GitHub stars. The repository holds 107 skills in this directory. The repository was last updated on September 5, 2026.

Source: Owl-Listener/designer-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.