AI SummaryPurpose is a root cause investigation skill that analyzes error messages and anomalous behavior to identify underlying issues without making fixes, helping developers understand what went wrong. It benefits developers and debugging workflows by providing fact-based, log-driven analysis and investigation guidance.
Install
Copy this and paste it into Claude Code, Cursor, or any AI assistant:
I want to install the "Purpose" skill in my project. Please run this command in my terminal: # Install skill into the correct directory (15 files) mkdir -p .claude/skills/commands && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/SKILL.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/bug.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/address.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/address.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/ask.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/ask.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/define.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/define.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/execute.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/execute.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/feedback.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/feedback.md" && mkdir -p .claude/skills/commands/git && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/git/commit.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/git/commit.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/markdown.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/markdown.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/rebase-clean.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/rebase-clean.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/security-scan.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/security-scan.md" && mkdir -p .claude/skills/commands/tdd && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/tdd/green.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/tdd/green.md" && mkdir -p .claude/skills/commands/tdd && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/tdd/red.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/tdd/red.md" && mkdir -p .claude/skills/commands/tdd && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/tdd/refactor.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/tdd/refactor.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/ultrathink.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/ultrathink.md" && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/commands/upstream.md "https://raw.githubusercontent.com/motoki317/dotfiles/main/.claude/commands/upstream.md" Then restart Claude Code (or reload the window in Cursor) so the skill is picked up.
Description
Root cause investigation command
Overview
Summary of error and investigation
Purpose
Identify root causes from error messages and anomalous behavior, providing fact-based analysis without performing fixes.
Rules
• Never modify, create, or delete files • Never implement fixes; provide suggestions only • Prioritize log analysis as primary information source • Judge from facts, not user speculation • Report honestly if cause cannot be identified
Workflow
• Analyze: Classify error type (syntax, runtime, logic), locate occurrence, gather logs • Investigate (parallel): Delegate to quality-assurance, explore, general-purpose, fact-check agents • Gather: Collect runtime info, check resources • Report: Compile findings with confidence metrics, identify root cause
Discussion
Health Signals
My Fox Den
Community Rating
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