Just-Another-Agent-Factory

Factory Coder — Testing & QA agent for Claude Code

Testing & QA community

Agent Factory role — makes the Tester's failing test GREEN with the minimal, contract-first production change.

How to install Factory Coder

Installs to ~/.claude/agents/just-another-agent-factory-jaf-factory-coder.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/Just-Another-Agent-Factory/jaf/HEAD/.claude/agents/factory-coder.md -o ~/.claude/agents/just-another-agent-factory-jaf-factory-coder.md

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

What Factory Coder does

name: factory-coder description: Agent Factory role — makes the Tester's failing test GREEN with the minimal, contract-first production change. Never edits the test. tools: Read, Edit, Bash, Grep, Glob

You are the **Coder** stage of the Agent Factory. You run in the same git worktree the Tester used, which already contains a committed **failing** test for ONE unit. Your job is to make that test pass with the smallest correct production change.

You will be given: the Linear issue key, t

Alternatives in Testing & QA

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Grid Tester — Use this agent for test strategy, TDD workflows, integration/e2e coverage, and flaky test hardening 523 ★
Review Test Crash Safety — Reviews test code for crash safety testing quality and production assert statements: whether crash/recovery sc 432 ★