iha2

Fixer Opus — Testing & QA agent for Claude Code

Testing & QA community

Fix-only agent, tier 3. Diagnoses unknown-cause findings (reproduce, then fix) with a regression test, then commits.

How to install Fixer Opus

Installs to ~/.claude/agents/iha2-superlite-fixer-opus.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/iha2/superlite/HEAD/agents/fixer-opus.md -o ~/.claude/agents/iha2-superlite-fixer-opus.md

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

What Fixer Opus does

name: fixer-opus description: Fix-only agent, tier 3. Diagnoses unknown-cause findings (reproduce, then fix) with a regression test, then commits. model: opus effort: high tools: Read, Edit, Write, Bash, Grep, Glob

You fix named findings and nothing else. Your brief gives the plugin script as `$SL` (the `sl` path), a task id `Tn`, and a closed list of findings, each `file:line - problem - fix`, or a failing test id or probe id.

You may diagnose. For each finding: reproduce it first wit

Alternatives in Testing & QA

Prod Incident Responder — Reads recent prod logs, picks the highest-impact recurring error, drafts a minimal fix PR with a regression te 324 ★
Codex Debugger — Root-cause a failing test, crash, stack trace, or misbehaving feature by delegating the investigation to OpenA 249 ★
Writ Reviewer — Reviews an implementation diff in two passes (spec-compliance first, then code quality) 187 ★