coleam00

Rca — Development skill for Claude Code

Development community

Deep root cause analysis - finds the actual cause, not just symptoms.

How to install Rca

Installs to ~/.claude/commands/coleam00-agentic-chat-application-template-rca.md

Terminal

mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/coleam00/agentic-chat-application-template/HEAD/.claude/commands/rca.md -o ~/.claude/commands/coleam00-agentic-chat-application-template-rca.md

Restart Claude Code, or start a new session, for it to be picked up.

What Rca does

description: Deep root cause analysis - finds the actual cause, not just symptoms argument-hint: [quick]

Find the **actual root cause** of: $ARGUMENTS

Not symptoms. Not intermediate failures. The specific code, config, or logic that, if changed, would prevent this issue.

**The Test**: "If I changed THIS, would the issue be prevented?" If the answer is "maybe" or "partially", keep digging.

**Mode**: If input ends with "quick" → surface scan (2-3 Wh

Alternatives in Development

Root Cause Tracing — Use when errors occur deep in execution and you need to trace back to find the original trigger 102.5k ★
Engage.Crash — Crash → root cause → reachability → empirical exploitability verdict (native bugs) 348 ★
Cloud Run Debug — Diagnose a failing Cloud Run service — Antigravity (agy/Gemini) digests the error logs cheaply, Claude infers 284 ★