/extract

Extract durable knowledge from a past Claude Code conversation session.

Arguments: $ARGUMENTS

Step 1: Find the session

If a session-id UUID is provided, locate it directly. Otherwise, list recent sessions:

bash "${CLAUDE_PLUGIN_ROOT}/scripts/list-sessions.sh" current --limit 7 --since "$(date -v-7d +%Y-%m-%d 2>/dev/null || date -d '7 days ago' +%Y-%m-%d)"

Present the list and ask the user which session to extract from (or default to the most recent).

Step 2: Run extraction

bash "${CLAUDE_PLUGIN_ROOT}/scripts/extract-knowledge.sh" SESSION_JSONL_PATH

This outputs a JSON array of candidate extractable items, each with:

• category: value | decision | correction | pattern | lesson | reference
• content: summary text
• timestamp: when it occurred
• suggested_destination: memory | claude_md | knowledge_file | skip
• suggested_type: value | user | feedback | project | reference

Step 3: Present items to user

For each item, present:

1. The category and content
2. The suggested destination and type
3. Ask the user to choose:
   • Memory — save as a memory file (ask for name if not obvious)
   • CLAUDE.md — add to project's CLAUDE.md instructions
   • Knowledge file — save as human-readable markdown (ask for path, default: docs/knowledge/)
   • Skip — discard

Step 4: Write approved items

For each approved item, write to the chosen destination:

Memory file: Create ~/.claude/projects/<project>/memory/<name>.md with frontmatter:

---
name: <name>
description: <one-line summary>
type: <chosen type>
---

<content>

Then append an entry to MEMORY.md. If MEMORY.md doesn't exist, create it. If only a standalone MEMORY.md exists (no individual files), create the first individual file and convert MEMORY.md to an index.

CLAUDE.md: Append to the project's CLAUDE.md at the resolved project root. If project root is unresolvable, offer memory file as fallback.

Knowledge file: Write markdown to the chosen path.

Step 5: Summary

Report what was extracted and where it was saved.