Thiserror Expert

Quality score: 70/100 · Category: General · Sub-category: general-misc

Provides guidance on creating custom error types with thiserror, including proper derive macros, error messages, and source error chaining. Activates when users define error enums or work with thiserror.

What this skill does

Thiserror Expert is a production-ready Claude Code skill (quality score 70/100) in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/thiserror-expert/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Thiserror Expert skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/thiserror-expert
curl -L https://claudskills.com/skills/thiserror-expert/SKILL.md \
  -o ~/.claude/skills/thiserror-expert/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/thiserror-expert/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/thiserror-expert/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\thiserror-expert\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

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.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: GifPerfect · AspectPerfect · SlomoPerfect · Ucaption · UTagger · AutoXPoster · TestYourSkills