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The Missing CLI for Claude Code: Meet cs

April 17, 2026
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If you're using Claude Code, Anthropic's CLI for AI-assisted coding, you already know it's a game-changer. It's fast, it's agentic, and it lives where we do: in the terminal.

But if you're like me and use it dozens of times a day across multiple projects, you've likely hit a wall. Claude Code saves your history, but finding that specific refactoring session from three days ago — or resuming a complex debugging thread on your phone — can feel like finding a needle in a haystack.

To solve my own "session fatigue," I built 

cs
(Claude Sessions). It's a lightweight CLI tool designed to turn Claude's flat history file into a searchable, taggable, and organized library.

Why build a wrapper for a CLI?

Claude Code stores everything in 

~/.claude/history.jsonl
. It's great for the machine, but not exactly human-friendly when you have 100+ entries. I needed three things:

  1. Searchability: Find sessions by keywords.
  2. Organization: Tag "Work," "SideProject," or "Refactor" so I can filter out the noise.
  3. Resumability: A quick, numbered list where I can just type 
    cs r 3
    and get back to work.

How it works

cs
is a hybrid of Bash and Python. It's designed to be fast and zero-config.

  • The Parser: A Python script reads the 
    history.jsonl
    file provided by Claude Code.
  • The Tag Engine: Since I didn't want to mess with Claude's internal files, 
    cs
    maintains a separate, lightweight JSON file for your custom tags and bookmarks.
  • The UI: Everything is optimized for the terminal. It uses a compact, numbered list format that is especially phone-friendly if you're SSHing into your dev box or using Termux.

The workflow

Here is how 

cs
fits into a daily dev cycle:

1. The quick glance

Just run 

cs
to see your most recent sessions. No more guessing which session ID belongs to which project.

cs

2. Finding your place

Need to find that session where you were working on the API?

cs s "api fix"

3. Staying organized

Tag a session so you can find it later, or bookmark it for high-priority tasks.

cs t 1 "refactor"  # Adds the 'refactor' tag to session #1
cs b               # View all bookmarks

4. Seamless resuming

Once you find the session number, resuming is a single command. 

cs
handles the heavy lifting of passing the session ID back to Claude.

cs r 5

Mobile-first (sort of)

One of the unexpected benefits of 

cs
is how it performs on mobile. When I'm away from my desk and need to check a session via a phone terminal, I don't want to type long UUIDs. The numbered list (
1
, 
2
, 
3
...) makes it incredibly easy to navigate and resume threads with just a few taps.

Get started

If you're a heavy Claude Code user, give 

cs
a spin. It's open source and easy to install.

Check out the repo here: github.com/devdarren7/cs-claude-sessions

Happy coding (and session managing).

Want custom tooling built for your team?

cs
is a simple example of how I streamline development workflows. I build custom integrations, internal tools, and databases to fit your business. If you've got a repetitive task or a broken pipeline that needs fixing, let me know and I'll tell you what it'll take to build a solution.

→ View my development services or get in touch

Frequently asked questions

What problem does 
cs
solve for heavy Claude Code users?

Claude Code stores all history in a single 

history.jsonl
file, which becomes unmanageable with many entries. 
cs
fixes "session fatigue" by making this flat history searchable, taggable, and resumable. It's built to help you quickly find and jump back into specific coding sessions.

How does 
cs
avoid messing with Claude Code's internal files?

cs
uses a separate, lightweight JSON file to store your custom tags and bookmarks. This design means 
cs
can organize your sessions without modifying Claude Code's primary 
history.jsonl
file. It keeps the two systems distinct and stable.

Why is 
cs
described as "mobile-first (sort of)"?

The tool's terminal UI, with its compact, numbered list format, makes it easy to use on a phone. When SSHing into a dev box or using Termux, you can quickly navigate and resume sessions by typing simple numbers instead of long, complex UUIDs.

Can you build custom tools or integrations for my team?

Yes. Beyond open-source tools like 

cs
, I build custom full-stack applications, API integrations, and database solutions. If you need a specific tool built for your business, you can view my services or get in touch.