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AI Onboarding

AI Tools

MCP Server

Agent Skills

Commet SkillsBilling Best Practices SkillPricing Models SkillSubscription Patterns Skill
DocumentationKnowledge BaseBuild with AIAPI ReferenceWebhooks

Commet Skills

Give AI agents expert-level billing knowledge with Agent Skills.

Agent Skills give AI agents modular billing capabilities — SDK integration, pricing models, subscription patterns, and billing best practices. Install all skills with a single command.

Install all skills

npx skills add commet-labs/commet-skills

Install a single skill

npx skills add commet-labs/commet-skills --skill commet
npx skills add commet-labs/commet-skills --skill ai-billing
npx skills add commet-labs/commet-skills --skill billing-behaviors
npx skills add commet-labs/commet-skills --skill commet-webhooks
npx skills add commet-labs/commet-skills --skill commet-cli

Available skills

SkillDescription
commetCore SDK — @commet/node, @commet/next, @commet/ai-sdk, @commet/better-auth
billing-behaviorsBusiness rules — proration, plan changes, subscription lifecycle
commet-cliCLI — login, link, pull types, scaffold from templates
commet-webhooksWebhooks — event handling, signature verification, framework handlers
ai-billingAI billing — tracked() middleware, balance model, cost calculation

Standalone skills

Universal billing knowledge that works with any stack. Code examples use @commet/node.

npx skills add commet-labs/billing-best-practices
npx skills add commet-labs/pricing-models
npx skills add commet-labs/subscription-patterns

Supported agents

Claude Code, Cursor, Codex, Gemini CLI, GitHub Copilot, Windsurf, OpenCode, and 40+ more.

Learn More

commet-skills on skills.sh

All 5 skills in one package.

billing-best-practices

SaaS billing patterns and best practices.

pricing-models

Choose the right pricing model for your SaaS.

subscription-patterns

Subscription lifecycle, trials, proration, dunning.

How is this guide?

MCP Server

Use the MCP Server to manage billing infrastructure.

Billing Best Practices Skill

Comprehensive guide for building production-ready billing systems with AI agents.

On this page

Install all skills
Install a single skill
Available skills
Standalone skills
Supported agents
Learn More