Pith is the hook that makes Claude Code sessions last 3x longer.

Persistent memory for Claude Code — identity, context, and continuity across sessions

A history management extension for codecompanion AI chat plugin that enables saving, browsing and restoring chat sessions.

Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.