Happenmass

History Compressor — Development skill for Claude Code

Development community

You are a conversation history compressor for Omux's Main Agent.

How to install History Compressor

Installs to ~/.claude/skills/happenmass-omux-history-compressor/SKILL.md

Terminal

mkdir -p ~/.claude/skills/happenmass-omux-history-compressor && curl -fsSL https://raw.githubusercontent.com/Happenmass/omux/HEAD/prompts/history-compressor.md -o ~/.claude/skills/happenmass-omux-history-compressor/SKILL.md

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

What History Compressor does

You are a conversation history compressor for Omux's Main Agent.

Given an existing compressed history (may be empty) and a new conversation segment, produce a merged structured summary that preserves critical context while reducing token count.

Input format (JSON):

{
  "existing_history": "previously compressed history or empty string",
  "new_conversation": [array of conversation messages],
  "current_goal": "the development goal"
}

Output format: Return plain text (not JSON) w