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Typed Failures

Category: Dev Tools  ·  Sub-category: tools-misc  ·  Last updated:
type:integration
Convert an app's untyped exceptions (ValueError, RuntimeError, bare Exception, ActivityError) to SDK-typed AppError subclasses so every classified failure carries category / code / audience / retryable on the wire. The Automation Engine attributes failures from those typed fields without parsing exception strings. Interactive and incremental: surveys the app first, asks the developer to confirm categories at ambiguous sites, applies edits one batch at a time, then reports remaining blind-spot (silent-swallow) sites as a phase-2 punch list for owner approval.
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From the source SKILL.md

Onboard an app onto the SDK's typed AppError hierarchy so its failures surface as structured events through the Automation Engine. The end state: every existing raise site in the app raises a typed AppError subclass; bare exception handlers that re-raise classify-or-passthrough; the wire payload (ApplicationError.details) carries FailureDetails(category, code, audience, retryable, evidence); the AE parser surfaces those onto DAGNode.error_details and the emit pipeline lands them in otel_logs.service_logs as queryable typed attributes.

What this skill does

Typed Failures is a community-contributed Claude Code skill in the tools-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/typed-failures/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Typed Failures Claude Code skill is built for developers, power users, and teams automating repetitive workflows and improving developer experience. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 213,000+ 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/typed-failures
curl -L https://claudskills.com/skills/typed-failures/SKILL.md \
  -o ~/.claude/skills/typed-failures/SKILL.md

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

Skills live at ~/.claude/skills/typed-failures/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\typed-failures\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 Typed Failures Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/typed-failures/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Typed Failures skill do?
Convert an app's untyped exceptions (ValueError, RuntimeError, bare Exception, ActivityError) to SDK-typed AppError subclasses so every classified failure carries category / code / audience / retryable on the wire. The Automation Engine attributes failures from those typed fields without parsing exception strings. Interactive and incremental: surveys the app first, asks the developer to confirm categories at ambiguous sites, applies edits one batch at a time, then reports remaining blind-spot (silent-swallow) sites as a phase-2 punch list for owner approval.
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 Typed Failures skill?
Use Typed Failures when your Claude Code task falls under the Dev Tools category — specifically in the tools 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 Typed Failures" or describe the task and let Claude pick). Browse related skills at /category/tools/.
What is a Claude Code skill and how does the Typed Failures 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. Typed Failures is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Dev Tools 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
atlanhq. (2026). Typed Failures [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/typed-failures/
BibTeX
@misc{typed-failures-2026,
  author    = {atlanhq},
  title     = {Typed Failures [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/typed-failures/}
}

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Grade A · scanned 2026-11-01 — free static scan against the OWASP Agentic Skills Top 10.

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