CNaught Claude Code Plugins

A monorepo of Claude Code plugins by CNaught.

Plugins

Carbon Tracker (plugins/carbon)

Track and offset carbon emissions from your Claude Code usage

Features:

• Estimates carbon emissions per Claude Code session based on token usage
• Stores session data locally via SQLite
• Provides status line integration showing session carbon impact
• Includes commands for setup and reporting

Installation

Add the marketplace and install the carbon plugin in Claude Code:

/plugin marketplace add CNaught-Inc/claude-code-plugins
/plugin install carbon@cnaught-plugins

Restart Claude Code and then run /carbon:setup to initialize the tracker.

Local (development)

To install from a local clone of this repo:

bun install

Then in Claude Code:

/plugin marketplace add /path/to/claude-code-plugins
/plugin install carbon@cnaught-plugins

Restart Claude Code and then run /carbon:setup to initialize the tracker.

To point at a staging API, create plugins/carbon/.env.local:

CNAUGHT_API_URL=https://your-staging-api-url.com

Updating

To pull the latest plugin version:

/plugin marketplace update cnaught-plugins

Development

Prerequisites

• Bun v1.3.6+
• Node.js 20+

Setup

bun install

Commands

bun run test        # Run tests
bun run typecheck   # Type-check all plugins
bun run lint        # Lint all plugins

Project Structure

.claude-plugin/     # Plugin marketplace metadata
plugins/
  carbon/           # Carbon tracker plugin
    src/            # Source code (run directly by Bun)

Releasing

Trigger the "Release" workflow manually with a version number (e.g., 1.6.0). This will update plugin.json, commit, tag, and create a GitHub release.

Versioning

Plugin version lives in plugins/<plugin>/.claude-plugin/plugin.json.