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compress-session

majiayu000
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About

The compress-session skill condenses conversation history into structured summaries that capture decisions, tools built, and breakthroughs—context that git commits miss. It activates when users explicitly request compression, after significant milestones, or periodically in long sessions. The skill automatically organizes summaries with sequence numbers and focuses on preserving the "why" and "how" of development work.

Quick Install

Claude Code

Recommended
Plugin CommandRecommended
/plugin add https://github.com/majiayu000/claude-skill-registry
Git CloneAlternative
git clone https://github.com/majiayu000/claude-skill-registry.git ~/.claude/skills/compress-session

Copy and paste this command in Claude Code to install this skill

Documentation

Compress Session

Compress active session into structured summary. Capture decisions, tools built, breakthroughs - the "why" and "how" that git commits don't preserve.

When to Activate

  • User says: "compress", "compress session"
  • After significant milestones
  • Every ~10 messages in long sessions
  • Before ending major work

Process

1. Determine Sequence Number

ls -t inbox/session-summaries/$(date +%Y-%m-%d)*.md 2>/dev/null | head -1
  • If files exist: increment (seq2, seq3...)
  • If none: this is seq1

2. Review Conversation

Identify signal vs. noise:

  • INCLUDE: Decisions, tools built, breakthroughs, key quotes, context
  • SKIP: Pleasantries, process discussion without outcome, redundant info

3. Write Summary

Create: inbox/session-summaries/YYYY-MM-DD-HHMM-seqN.md

# Session Capture: YYYY-MM-DD [Sequence N]

**Time:** [Start] - [Current]
**Roles Active:** [List or "general"]
**Messages:** [Approximate range]
**Branch:** [git branch]

---

## Context

[1-3 sentence narrative of what happened this sequence]

---

## Decisions Made

- [Decision 1]
  - Reason: [Why]
- [Decision 2]

---

## Tools/Workflows Built

- **[Name]:** [Description and purpose]

[Or: None this sequence]

---

## Breakthroughs/Insights

- [Insight] - [Significance]

---

## Key Quotes

- "[Quote]" ([Context])

---

## Files Created/Modified

[From git status]
- New: [files]
- Modified: [files]

---

## Next Steps

- [What's coming]

---

**Session compressed. Sequence [N] captured.**

4. Confirm

Session compressed. Sequence [N] captured.
Stored: inbox/session-summaries/YYYY-MM-DD-HHMM-seqN.md

What to Include

  • Decisions affecting work/strategy/direction
  • Tools/workflows built or planned
  • Breakthroughs (creative, technical, conceptual)
  • Context explaining why decisions were made
  • Key quotes revealing intent

What to Skip

  • Conversational filler
  • Detailed implementation (git shows that)
  • Process discussion without decision
  • Speculation that didn't become action

Tone

  • Concise, structured
  • Bullet points over paragraphs
  • Searchable and scannable
  • Neutral observation

GitHub Repository

majiayu000/claude-skill-registry
Path: skills/compress-session

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