heuristic-evaluation

heuristic-evaluation is a skill for Claude Code from Prorise-cool/Claude-Code-Multi-Agent. It costs 30 tokens per session (3,553 once invoked), scanned A, original, no licence file.

A guide to reviewing an interface against Nielsen's 10 usability rules, rating issue severity, and using expert reviews or cognitive walkthroughs.

In plain words
What is it for?
Inspect screens and workflows, record usability issues, and assess how seriously each issue affects people.
Why use it?
It provides a repeatable way to find usability problems without first running sessions with users.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Inspect screens and workflows, record usability issues, and assess how seriously each issue affects people.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/prorise-cool/claude-code-multi-agent/heuristic-evaluation
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.

Any agent
npx skills add Prorise-cool/Claude-Code-Multi-Agent --skill heuristic-evaluation
Clone the repo
git clone --depth 1 https://github.com/Prorise-cool/Claude-Code-Multi-Agent

Made for: Claude Code.

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 heuristic-evaluation

README.md
[![agentmods](https://agentmods.dev/badge/skills/prorise-cool/claude-code-multi-agent/heuristic-evaluation.svg)](https://agentmods.dev/skills/prorise-cool/claude-code-multi-agent/heuristic-evaluation)
Your own site
<a href="https://agentmods.dev/skills/prorise-cool/claude-code-multi-agent/heuristic-evaluation"><img src="https://agentmods.dev/badge/skills/prorise-cool/claude-code-multi-agent/heuristic-evaluation.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,553 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 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 $0.00030 $0.03553
Opus 5 $0.00015 $0.01776
Sonnet 5 $0.00006 $0.00711
Haiku 4.5 $0.00003 $0.00355

Measured 4d ago against content hash 4fd4aa4212e8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

heuristic-evaluation 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 4d 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.

.claude/skills/ux-research/heuristic-evaluation/SKILL.md · 593 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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. 4d ago First seen · 593 lines · 30 tokens per session scan A 4fd4aa4212e8

Subscribe to this mod's changes

heuristic-evaluation is a skill published in the GitHub repository Prorise-cool/Claude-Code-Multi-Agent (304 stars, last pushed 1mo ago), with no licence file. It adds 30 tokens to every session and 3,553 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 2026-09-03.

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