claude-carbon

Plugin

Tracks the carbon footprint of Claude Code sessions and surfaces emissions data via hooks and a status-line display.

by gwittebolle·gwittebolle/claude-carbon·Shell·v1.8.0

85· A

Install

/plugin marketplace add gwittebolle/claude-carbon

Stars

203

7d change

▲ 2.01%

Downloads / week

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Last active

5 days ago

About

claude-carbon is an open source Claude Code plugin that tracks the carbon footprint of your sessions: a live CO2 estimate in the status line, computed locally from your token usage, next to the session cost.

Adds a live CO2 estimate to the Claude Code status line, next to the session cost Persists each session to a local SQLite database, so history survives the 30-day transcript purge Backfills historical data from existing `~/.claude` transcripts Slash commands: `/carbon-report` (text), `/carbon-card` (PNG), `/carbon-pr` (footprint of a pull request) A README badge with your all-time total, and a public methodology with every factor sourced

Windows (PowerShell), which needs Git for Windows and two packages first - see Windows:

Or, on any platform with Node.js: