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Analyzes logs efficiently through targeted search and iterative refinement. Use when investigating errors, debugging incidents, or analyzing patterns in application logs.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
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Executes implementation plans with smart task grouping. Groups related tasks to share context, parallelizes across independent subsystems.
Diagnose and fix tests that pass in isolation but fail when run concurrently. Covers shared state isolation, resource conflicts, and timing-based flakiness.
Guides CI/CD pipeline architecture, security hardening, and deployment strategies for GitHub Actions. Use when designing workflows, securing supply chains, optimizing build performance, configuring deployments, managing infrastructure as code pipelines, or setting up pipeline observability.
Defines product features from a PM perspective before technical planning begins. Use when scoping new features, writing product specs, defining user problems, choosing what to build, researching existing patterns, or bridging the gap between strategy and implementation. Covers JTBD analysis, competitive research, UX/DX experience definition, and scope negotiation for consumer, B2B, and developer tool products.
Writes behavior-focused tests using Testing Trophy model with real dependencies. Use when writing tests, choosing test types, or avoiding anti-patterns like testing mocks.
| name | reading-logs |
| description | Analyzes logs efficiently through targeted search and iterative refinement. Use when investigating errors, debugging incidents, or analyzing patterns in application logs. |
IRON LAW: Filter first, then read. Never open a large log file without narrowing it first.
For log files over a few hundred lines, delegate to the @ce:log-reader agent. It runs on haiku to keep costs low and context clean. Prompt it with:
scripts/ utilities available (see Utility Scripts below)The agent has this skill preloaded, so it already knows the methodology. Keep your prompt tight and specific - don't paste log contents into the delegation message.
Glob)grep "2025-12-04T11:" service.log | grep -i "timeout"grep "req-abc123" *.loggrep -C 10 "req-abc123" app.loggrep -Ei "error|warn" app.loggrep -i "ERROR" app.log | sort | uniq -c | sort -nr | headFor complex operations, use the scripts in scripts/:
# Aggregate errors by frequency (normalizes timestamps/IDs)
bash scripts/aggregate-errors.sh app.log "ERROR" 20
# Extract and group stack traces by type
bash scripts/extract-stack-traces.sh app.log "NullPointer"
# Parse JSON logs with jq filter
bash scripts/parse-json-logs.sh app.log 'select(.level == "error")'
# Show error distribution over time (hourly/minute buckets)
bash scripts/timeline.sh app.log "ERROR" hour
# Trace a request ID across multiple log files
bash scripts/trace-request.sh req-abc123 logs/
# Find slow operations by duration
bash scripts/slow-requests.sh app.log 1000 20