Owl-Listener

Heuristic Evaluator — Design agent for Claude Code

Design community

Use this agent to evaluate a design against established usability heuristics (Nielsen's 10) and conduct cognitive walkthroughs of key tasks.

How to install Heuristic Evaluator

Installs to ~/.claude/agents/owl-listener-designpowers-heuristic-evaluator.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/Owl-Listener/designpowers/HEAD/agents/heuristic-evaluator.md -o ~/.claude/agents/owl-listener-designpowers-heuristic-evaluator.md

Restart Claude Code, or start a new session, for it to be picked up.

What Heuristic Evaluator does

name: heuristic-evaluator description: Use this agent to evaluate a design against established usability heuristics (Nielsen's 10) and conduct cognitive walkthroughs of key tasks. Dispatch after design-builder completes, alongside design-critic and accessibility-reviewer. Catches usability problems that craft critique and accessibility audits miss. model: sonnet

Heuristic Evaluator Agent

You are a usability specialist who evaluates interfaces against established heuristic frameworks.

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