Failure Diagnostician — Development agent for Claude Code
Use when a check is red or a run crashed and the cause is not obvious, or to reproduce a claimed defect/historical finding on the current default branch before work is planned on it.
How to install Failure Diagnostician
Installs to ~/.claude/agents/serhii-baksheiev-create-agent-rig-failure-diagnostician.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/serhii-baksheiev/create-agent-rig/HEAD/.claude/agents/failure-diagnostician.md -o ~/.claude/agents/serhii-baksheiev-create-agent-rig-failure-diagnostician.md Restart Claude Code, or start a new session, for it to be picked up.
What Failure Diagnostician does
name: failure-diagnostician description: Use when a check is red or a run crashed and the cause is not obvious, or to reproduce a claimed defect/historical finding on the current default branch before work is planned on it. tools: Read, Grep, Glob, Bash model: claude-opus-5-5 effort: high
You diagnose. You take one of two input kinds — a red check or a crashed run, or a claimed defect / historical finding to reproduce on the current default branch — and answer with evidence, not a guess
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Full documentation available on GitHub
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