Sereno — Development skill for Claude Code
See what every coding-agent session on your machine is actually doing.
How to install Sereno
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open ElRaxy/sereno and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Sereno does
See what every coding-agent session on your machine is actually doing. One Python file, no dependencies.
Alternatives in Development
- Cost Xray — See what Claude Code and Codex actually send to the API — and what each part costs 586 ★
- Claw Code Agent — Claw Code No Rust No TypeScript Only Python 543 ★
- Tmux Claude Session Manager — Run many Claude Code sessions across your projects, each in its own tmux session — then list them, see which a 380 ★
README
sereno
Nine agent sessions open. Which one is stuck?
**A terminal UI that tells you what every coding-agent session is _actually_ doing — not just that it exists.**
One Python file · zero dependencies · Claude Code, Codex, Gemini, Antigravity
[](https://github.com/ElRaxy/sereno/actions/workflows/ci.yml) [](https://github.com/ElRaxy/sereno/releases/latest) [](https://www.python.org/) [](#-install) [](#-install) [](LICENSE) [](https://github.com/ElRaxy/sereno/stargazers)
**English** · [Español](README.es.md)
curl -fsSL https://raw.githubusercontent.com/ElRaxy/sereno/main/install.sh | sh
sereno
Contents
- Why
- The four states
- Reading a row
- Install
- Use
- Where the data comes from
- [What it does, and what it doesn't](#-what-it-does-and-what-it-deliberat
Related Skills
Claude Sessions History
Browse and resume your Claude Code sessions in a local web page. Lists every session on your machine and copie
Fleet Dashboard
A live board of every coding-agent session on your Mac — Claude Code, Codex, Antigravity — what each is doing
Agent Pigeon
See how your coding agent actually worked. A tiny local CLI that turns Claude Code / Codex sessions into fligh
Dreamteam Peek
Peek at a teammate's live tmux pane — see what a non-responding agent is actually doing.
Argus Code
See what Claude Code actually did. Local-first observability for every session: which tools ran, what each sub
Bough
Visualize your Claude Code session history as a diagram of the work you actually did: days, tasks, prompts and
Related Agents
Interface Reviewer
Reviews what the user actually sees — in-app copy, error messages, empty states, labels, numbers and their for
Rust API Ergonomics Reviewer
Reviews Rust library/framework code from the downstream consumer's perspective. Focuses on API clarity, idioma
Sonmat Witness
External witness agent. Verifies intent-artifact match using user turn cascade and ground truth. Protocol-isol