chs

Search large Claude Code chat archives with two-stage indexing and filters.

Updated Apr 23, 2026
One-click install
npx skills add https://github.com/EndUser123/cc-skills-utils --skill chs
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chs
Source: https://github.com/EndUser123/cc-skills-utils/tree/main/skills/chs
Command: npx skills add https://github.com/EndUser123/cc-skills-utils --skill chs

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires faiss, numpy, claude_agent_sdk, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Chat historians and developers need to locate relevant conversations quickly within large chat archives; CHS provides fast, chat-specific search with context, session stats, and filtering to streamline discovery.

Core Features & Use Cases

  • Lightweight Stage 1 index search with fast results and two-stage deep scanning on demand.
  • Workspace aliases, branch-based filtering, and tool usage filters to narrow results.
  • Context previews and session statistics for quick insight and reporting.

Quick Start

Ask CHS to search for a topic within a specific workspace and show a concise context around each match.

Frequently Asked Questions about chs

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I search large chat history archives for specific session context?

You can search large chat history archives using a two-stage architecture that applies an index-based first stage and a deep content scan second stage, returning structured outputs with context previews and session statistics.

Can I filter Claude Code chat history by workspace and tool usage?

Yes, you can filter chat history by workspace aliases, branch-based contexts, and tool usage to narrow results across multiple sessions.

What is the best way to preview context and get session stats from past conversations?

The best way to preview context and get session stats is to use a search tool that provides context previews and session statistics, allowing quick insight and reporting from large chat archives.

Does chat history search work with faiss and numpy for indexing?

Yes, the chat history search leverages faiss and numpy dependencies to support its lightweight Stage 1 index search, enabling fast retrieval before executing the on-demand second stage deep scan.

How do I export structured outputs from a multi-session chat search?

You can export structured outputs from a multi-session chat search by applying workspace-scoped searches and utilizing the optional modes and exports provided by the tool.