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Error Message Manager

Category: General  ·  Sub-category: general-misc  ·  Last updated:
type:reviewtype:debug
Rewrite vague, delayed, or low-context Julia error messages into structured, actionable diagnostics. Invoke this skill whenever the user mentions: error message, improve errors, rewrite @assert, ArgumentError, DimensionMismatch, DomainError, vague error, error rewrite, Julia exception, diagnostic, throw, validation, early check, assert to throw, loop context, catch and rethrow, warn string, or asks to improve how the code fails. Also use it when reviewing code for user-facing clarity, when a user says errors are confusing or unhelpful, or when auditing a module for low-context exceptions. Use it proactively when you see bare @assert, error("..."), throw(ErrorException(...)), @warn string(...), or catch blocks that do not include the original exception in their re-throw in Julia code you are reading or editing.
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From the source SKILL.md

Rewrite vague, delayed, or low-context Julia error messages into structured, actionable diagnostics. The goal is errors that tell the user exactly what went wrong, what was expected, what was received, and—whenever a likely fix exists— what to do next. Prefer catching mistakes early (at API boundaries) over letting them propagate into cryptic numerical failures.

What this skill does

Error Message Manager 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/error-message-manager/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Error Message Manager 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 196,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/error-message-manager
curl -L https://claudskills.com/skills/error-message-manager/SKILL.md \
  -o ~/.claude/skills/error-message-manager/SKILL.md

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

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

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Error Message Manager Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/error-message-manager/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Error Message Manager skill do?
Rewrite vague, delayed, or low-context Julia error messages into structured, actionable diagnostics. Invoke this skill whenever the user mentions: error message, improve errors, rewrite @assert, ArgumentError, DimensionMismatch, DomainError, vague error, error rewrite, Julia exception, diagnostic, throw, validation, early check, assert to throw, loop context, catch and rethrow, warn string, or asks to improve how the code fails. Also use it when reviewing code for user-facing clarity, when a user says errors are confusing or unhelpful, or when auditing a module for low-context exceptions. Use it proactively when you see bare @assert, error("..."), throw(ErrorException(...)), @warn string(...), or catch blocks that do not include the original exception in their re-throw in Julia code you are reading or editing.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Error Message Manager skill?
Use Error Message Manager when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Error Message Manager" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Error Message Manager skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Error Message Manager is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
CliMA. (2026). Error Message Manager [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/error-message-manager/
BibTeX
@misc{error-message-manager-2026,
  author    = {CliMA},
  title     = {Error Message Manager [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/error-message-manager/}
}

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