Agent skill

Usability Frameworks

by slgoodrich in slgoodrich/agents

Usability testing methodology, Nielsen's heuristics, and usability metrics.

Custom licenceAuto-check passedFrontend & Design

Install Usability Frameworks

skills CLI
$ npx skills add slgoodrich/agents --skill usability-frameworks -a claude-code

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

GitHub CLI
$ gh skill install slgoodrich/agents usability-frameworks --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/slgoodrich/agents.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ai-pm-copilot/skills/usability-frameworks .claude/skills/usability-frameworks && 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
usability-frameworks
GitHub stars
138
Token cost
~3.5k tokens
SKILL.md length
1,692 words
Files
6 (incl. references, assets)
Skills in repo
19
Repo updated
First seen
Licence
Custom licence

At a glance

Usability testing methodology, Nielsen's heuristics, and usability metrics.

  • Works in 12 steps: Moderated Testing → Unmoderated Testing → Hybrid Approaches → …
  • Planning usability tests
  • SKILL.md covers When to Use This Skill, Core Concepts, Usability Testing Methodologies and Nielsen's 10 Usability…, plus 6 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Usability Frameworks is an agent skill from slgoodrich/agents. Usability testing methodology, Nielsen's heuristics, and usability metrics. Use when planning usability tests, evaluating UI against heuristics, writing test scripts, or measuring task success rates. Trigger on: 'run a usability test', 'heuristic evaluation', 'usability test script', 'task success rate', 'think-aloud protocol'.

Its SKILL.md is about 3.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including reference files and assets (for example `assets/severity-rating-guide.md`, `assets/task-scenario-template.md` and `assets/usability-test-script-template.md`).

It sits in Frontend & Design, covering UX design and User research. The repository describes itself as: AI PM Workflows for Claude Code.

When your agent uses it

  • Planning usability tests
  • Evaluating UI against heuristics
  • Writing test scripts
  • Measuring task success rates

Example prompts

  • “run a usability test”
  • “heuristic evaluation”
  • “usability test script”
  • “/usability-frameworks”

Workflow steps

12 steps, taken from the step headings in SKILL.md.

  1. Moderated Testing
  2. Unmoderated Testing
  3. Hybrid Approaches
  4. Define Objectives
  5. Identify User Segments
  6. Select Tasks
  7. Choose Methodology
  8. Create Test Script
  9. Recruit Participants
  10. Conduct Pilot Test
  11. Run Sessions
  12. Analyze and Synthesize

What it can do on your machine

Read from SKILL.md and the folder at commit 3b5835b. 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

Usability Frameworks loads about 3.5k tokens when it runs, and up to ~13k if it reads all its reference files. Until then it costs about 88 tokens; SKILL.md has 1,692 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~88
When it runs · the whole SKILL.md, loaded when a task matches
~3.5k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~13k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,692 words (~3,508 tokens).

“Comprehensive frameworks and methodologies for planning, conducting, and analyzing usability tests to improve user experience.”

— opening of SKILL.md by slgoodrich, Custom licence
name
usability-frameworks

Read the full SKILL.md on GitHub

Files

SKILL.md and 5 other files (references, assets) in plugins/ai-pm-copilot/skills/usability-frameworks of slgoodrich/agents.

  • SKILL.md
  • assets/severity-rating-guide.md
  • assets/task-scenario-template.md
  • assets/usability-test-script-template.md
  • references/nielsens-10-heuristics.md
  • references/think-aloud-protocol-guide.md

Open the folder on GitHubat commit 3b5835b

Compare with similar skills

Usability Frameworks 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.

Usability Frameworks compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Usability Frameworks this skillslgoodrich/agents138—~3.5kAutomated safety check: PassCustom licence
Prototypeplugin87/ux-ui-agent-skills1.5k—~614Automated safety check: PassMIT
Nova Act UsabilityLeoYeAI/openclaw-master-skills2.2k—~7.4kAutomated safety check: PassMIT
UX Linterrevfactory/harness-1001.3k—~1.1kAutomated safety check: PassApache-2.0
UX Research Planmohitagw15856/pm-claude-skills1.4k—~1.6kAutomated safety check: PassMIT
UX Heuristicasgard-ai-platform/skills241—~1.4kAutomated safety check: PassMIT

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Questions about Usability Frameworks

What does Usability Frameworks do?

Usability testing methodology, Nielsen's heuristics, and usability metrics. Usability Frameworks is an agent skill from slgoodrich/agents. Usability testing methodology, Nielsen's heuristics, and usability metrics.

When should I use Usability Frameworks?

Usability Frameworks fits situations like: planning usability tests; evaluating UI against heuristics; writing test scripts; measuring task success rates.

How do I install Usability Frameworks in Claude Code?

Run `npx skills add slgoodrich/agents --skill usability-frameworks -a claude-code`. Or copy the skill folder (plugins/ai-pm-copilot/skills/usability-frameworks in slgoodrich/agents) into .claude/skills/usability-frameworks in your project. Claude Code loads it when a task matches its description.

How do I install Usability Frameworks in Codex?

Run `npx skills add slgoodrich/agents --skill usability-frameworks -a codex`. Or copy the skill folder (plugins/ai-pm-copilot/skills/usability-frameworks in slgoodrich/agents) into .agents/skills/usability-frameworks in your project. Codex loads it when a task matches its description.

Can I use Usability Frameworks 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 slgoodrich/agents --skill usability-frameworks -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/usability-frameworks, .gemini/skills/usability-frameworks, .github/skills/usability-frameworks and .opencode/skills/usability-frameworks in your project.

What does Usability Frameworks need to run?

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

Does Usability Frameworks 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 Usability Frameworks 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 Usability Frameworks use?

Usability Frameworks has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Usability Frameworks use?

About 3.5k tokens (SKILL.md is roughly 14k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 9.1k tokens, read only when the agent opens those files.

What are the alternatives to Usability Frameworks?

Skills that share tags, products or a category with Usability Frameworks: Prototype (plugin87/ux-ui-agent-skills, 1.5k stars), Nova Act Usability (LeoYeAI/openclaw-master-skills, 2.2k stars), UX Linter (revfactory/harness-100, 1.3k stars) and UX Research Plan (mohitagw15856/pm-claude-skills, 1.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Usability Frameworks?

slgoodrich (a GitHub user) maintains it in slgoodrich/agents, which has 138 GitHub stars. The repository holds 19 skills in this directory. The repository was last updated on April 10, 2026.

Source: slgoodrich/agents on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.