Tools

Resolves subscription billing issues: checks customer and subscription state, separates duplicate purchases, team seats and failed payments, restores self-serve before refunding, and drafts the reply. Needs Stripe or similar tools connected; refunds move real money, so review them.

Helps subscription products reduce churn: designs cancellation flows, save offers and exit surveys, spots churn risk signals, and plans dunning and win-back emails after failed payments. For customer success, lifecycle and growth teams; billing platforms like Stripe need setup on your side.

Support for small merchants: reads customer emails, checks orders and refunds in Stripe, PayPal, Square or Shopify, and drafts replies in the owner's voice per your refund policy; can refund via Stripe or Square after explicit approval. Works with pasted emails too. Official from Anthropic.

OpenAI's official Codex plugin for building frontend apps and generating visual assets, testing and debugging in a browser, plus best-practice skills for React, shadcn/ui, Stripe payments and Supabase databases. Codex only.

Stripe's official CLI: forward and trigger webhook events locally, tail API request logs in real time, and create, read, update or delete Stripe objects to debug payment integrations. Needs a Stripe account; run stripe login first.

Stripe's official plugin: bundles the remote Stripe MCP with skills for integration best practices, Connect, Stripe Apps and API upgrades, plus commands that explain errors and list test card numbers. Available in the official Claude and Codex marketplaces.

Stripe's official skill collection: payment integration best practices, SDK and API version upgrades, Connect platform onboarding and docs lookup, with content synced automatically from the Stripe docs.

Guides Stripe integration decisions: Checkout vs PaymentIntents, Connect, subscription billing, tax, webhooks and key security, and steers away from deprecated APIs. Maintained by Stripe.

Official MCP for Paddle, the merchant of record: manage products and prices, customers, subscriptions, transactions and refunds from chat, download invoice PDFs and generate financial reports. Needs a Paddle Billing account and API key; start in sandbox with read-only or non-destructive tools.