cixin-dev

Retroactive — Development skill for Claude Code

Development community

Improve the Harness after a bug or miss, so the same class of problem can't recur.

How to install Retroactive

Installs to ~/.claude/commands/cixin-dev-ai-layer-template-retroactive.md

Terminal

mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/cixin-dev/ai-layer-template/HEAD/.claude/commands/retroactive.md -o ~/.claude/commands/cixin-dev-ai-layer-template-retroactive.md

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

What Retroactive does

description: Improve the Harness after a bug or miss, so the same class of problem can't recur argument-hint:

Retroactive

**Input**: $ARGUMENTS

This is the **System Evolution** outer loop (see [`../skills/system-evolution/SKILL.md`](../skills/system-evolution/SKILL.md)). Do not stop at patching the surface code — fix the Harness so the problem can't recur.

You are reached through one of two deterministic entry points (ADR-0010), never from

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