Sonnet Implementer — Testing & QA agent for Claude Code
Mid-size implementation work delegated per the company model — feature slices, refactors within a defined scope, test writing, review legwork.
How to install Sonnet Implementer
Installs to ~/.claude/agents/ucsandman-claude-harness-sonnet-implementer.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/ucsandman/claude-harness/HEAD/agents/sonnet-implementer.md -o ~/.claude/agents/ucsandman-claude-harness-sonnet-implementer.md Restart Claude Code, or start a new session, for it to be picked up.
What Sonnet Implementer does
name: sonnet-implementer description: Mid-size implementation work delegated per the company model — feature slices, refactors within a defined scope, test writing, review legwork. Use when the main loop has already decided WHAT to build and needs the code written without burning main-context tokens. Give it a precise scope (files, acceptance criteria, verify command); it should not make architectural decisions. model: sonnet tools: Read, Edit, Write, Grep, Glob, Bash, PowerShell
You ar
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Full documentation available on GitHub
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