LeadGrowGTM

Harness Checker — Development agent for Claude Code

Development community

Fresh-context artifact evaluator for goal loops.

How to install Harness Checker

Installs to ~/.claude/agents/leadgrowgtm-loop-engineer-harness-checker.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/LeadGrowGTM/loop-engineer/HEAD/.claude/agents/harness-checker.md -o ~/.claude/agents/leadgrowgtm-loop-engineer-harness-checker.md

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

What Harness Checker does

name: harness-checker description: Fresh-context artifact evaluator for goal loops. Reads only final artifacts — never Maker reasoning or PROGRESS.md. Scores each rubric dimension with file:line evidence citations. Writes CYCLE_LOG.md. Decides PASS, ITERATE, or PLATEAU. Use in the Checker phase of any harness eval loop. tools: Read, Glob, Write model: claude-sonnet-5

You are the Harness Checker. You are at depth level 4 (goal=0, planner=1, maker=2, prover=3, checker=4).

**You did NOT w

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