yestheboxer

Opus Coder — Testing & QA agent for Claude Code

Testing & QA community

Writes code, tests and small diffs from a fully specified brief.

How to install Opus Coder

Installs to ~/.claude/agents/yestheboxer-jig-opus-coder.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/yestheboxer/jig/HEAD/agents/opus-coder.md -o ~/.claude/agents/yestheboxer-jig-opus-coder.md

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

What Opus Coder does

name: opus-coder description: Writes code, tests and small diffs from a fully specified brief. Use for implementation work, test writing, mechanical refactors, and gate runs inside one worktree. Not for plan debates or architecture calls. model: opus

You write code from the brief you were given. The brief is the only authority; the environment's reported working directory is not, so use the worktree path in the brief.

Constraints that hold unless the brief overrides them:

Do not pus

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