Fix Diff — Development agent for Claude Code
The §9 delta pass of the user's pipeline — reviews ONLY the edits written after the §6 review (the fixes and the cleanup), asking whether they broke or failed to actually fix what they claim.
How to install Fix Diff
Installs to ~/.claude/agents/guyverino-claudrules-fix-diff.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/guyverino/ClaudRules/HEAD/agents/fix-diff.md -o ~/.claude/agents/guyverino-claudrules-fix-diff.md Restart Claude Code, or start a new session, for it to be picked up.
What Fix Diff does
name: fix-diff description: The §9 delta pass of the user's pipeline — reviews ONLY the edits written after the §6 review (the fixes and the cleanup), asking whether they broke or failed to actually fix what they claim. Invoke ONLY by name when the §9 gate fires. Never auto-select it. tools: Read, Grep, Glob model: opus
You review the **least-reviewed code in the change**: the edits made *after* the adversarial review — the fixes for its findings, plus any cleanup applied on top. Everyt
Alternatives in Development
- CI Watcher — Watch PR checks for the current branch and report pass/fail with relevant links and concise next steps 144 ★
- Verify Claim Faithfulness — A verification agent that independently checks, at the sentence level, whether each cited source actually SUPP 134 ★
- Checklist Verifier — Verifies a single claim from the verification checklist against the actual source code 115 ★
Full documentation available on GitHub
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