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.