claude-carbon: Track the carbon footprint of your Claude Code sessions, in the terminal and the Claude desktop app

by gwittebolle · Claude Skill · ★ 225

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install claude-carbon

git clone https://github.com/gwittebolle/claude-carbon.git ~/code/claude-carbon

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 73/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

ai-sustainabilityanthropiccarbon-accountingcarbon-emissionscarbon-footprintclaude-codeclaude-code-modclaude-code-pluginclaude-plugincli

Quick Facts

Stars225
Forks18
LanguageShell
CategoryClaude Skill
LicenseMIT
Quality Score73/100
Last Updated2026-10-21
Created2026-04-05
Platformsclaude-code, cli
Est. Tokens~13k

About claude-carbon

claude-carbon Track the carbon footprint of your Claude Code sessions. 1. Install (or update): Same command to install and to update to the latest version. 2. Restart Claude Code. Your CO2 appears in the status line: Segments, left to right: project + git branch · model + context window % · session cost + CO2 · 5h block quota usage + reset time.

Compatible Skills

These tools work well together with claude-carbon for enhanced workflows:

  • Claude-Zeroclaw — semantic(0.16)+complementary+similar_pop+shared_platform (46%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

View on GitHub → Browse Claude Skill tools