Trace each mock setup through the production code's execution path to determine which setups are actually exercised at runtime and which are dead, unreachable, redundant, or replaceable with real implementations.
Exp Mock Usage Analysis is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/exp-mock-usage-analysis/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when the user asks to audit mock usage, find unused or unnecessary mock setups, check if mocks are needed, reduce mock duplication or over-mocking, simplify test setup, or review whether mock configurations like ILogger/IOptions should use real implementations instead. Supports Moq, NSubstitute, and FakeItEasy.
The Exp Mock Usage Analysis Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/exp-mock-usage-analysis curl -L https://claudskills.com/skills/exp-mock-usage-analysis/SKILL.md \ -o ~/.claude/skills/exp-mock-usage-analysis/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/exp-mock-usage-analysis/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/exp-mock-usage-analysis/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\exp-mock-usage-analysis\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
@misc{exp-mock-usage-analysis-2026,
author = {ClaudSkills},
title = {Exp Mock Usage Analysis [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/exp-mock-usage-analysis/}
}Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:
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SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.