Add billing with
Claude Code
Automatic
Billing expertise built into Claude Code
Connect Commet's MCP server to Claude Code and manage your entire billing infrastructure with natural language. Create plans, configure features, and onboard customers without leaving the terminal.
import Commet from "commet-node";const commet = new Commet({ apiKey: process.env.COMMET_API_KEY });// Track usageawait commet.usage.track({customerId: "cus_123",featureSlug: "api-calls",amount: 1,});// Check accessconst access = await commet.entitlements.check({customerId: "cus_123",featureSlug: "api-calls",});if (!access.allowed) {throw new Error("Usage limit reached");}
claude mcp add --transport http commet https://commet.co/mcp
Easy to use
Add Commet MCP to Claude Code
Configure the MCP server to create plans, manage subscriptions, and track usage directly from Claude Code.
Agent Skills
Install Commet Skills
Agent Skills give Claude Code the expertise it needs to set up billing, configure pricing models, and follow best practices. Install them with a single command.
npx skills add commet-labs/commet-skills
Frequently Asked Questions
Install the Commet MCP server in Claude Code and connect it with your API key. Once connected, you can create plans, configure pricing models, manage subscriptions, and track usage — all without leaving Claude Code.
Commet supports metered (pay for what you use), credits (block when exhausted), balance (spend across features), seats (per-user pricing), and boolean (feature gating). You can configure any of these through the MCP server or SDK.
The Commet MCP server is a Model Context Protocol server that gives Claude Code native tools to manage billing. Once installed, Claude Code can create plans, manage subscriptions, track usage, and generate invoices through natural language.
Agent Skills give Claude Code modular billing expertise — pricing model patterns, subscription lifecycle best practices, and SDK integration knowledge. Install them with a single command: npx skills add commet-labs/commet-skills.
Yes. Commet has a built-in AI model catalog with per-token pricing. You can track input, output, and cache tokens with configurable margins. Usage events calculate costs automatically using the balance consumption model.
Yes. Commet is a Merchant of Record that handles taxes, compliance, refunds, and payouts. Stripe Tax is integrated for automatic tax calculation. You don't need to worry about tax logic.
Commet has no setup fees and no monthly minimums. You only pay 4.5% + $0.40 per successful transaction. You can start building and testing for free using the sandbox environment.
Start billing in minutes
No setup fees. No monthly minimums. 4.5% + $0.40 per successful transaction.
Start billing for free