Does it handle different Stripe Checkout modes?

Yes, it provides specific parameter constraints for 'payment', 'subscription', and 'setup' modes to ensure your API calls match Stripe's requirements.

When does this skill activate automatically?

The skill auto-invokes when it detects files containing keywords like stripe, payment, or webhook, as well as when you reference STRIPE_* environment variables in your code.

Is this skill optimized for serverless platforms?

Absolutely. It includes specific guidance and CLI commands for maintaining environment variable parity across platforms like Vercel and Convex.

Can it help fix 'Invalid character in header' errors?

Yes, it specifically checks for environment variable hygiene, such as trailing whitespaces or newlines, which are common causes of cryptic header errors.

How does this skill help with webhook security?

It enforces mandatory webhook signature verification and provides the correct code patterns for constructing events securely in production environments.

Stripe Integration Best Practices

Name: Stripe Integration Best Practices
Author: phrazzld

byphrazzld

•

E-commerce Solutions

Optimizes Stripe payment integrations by enforcing correct parameter constraints, securing webhooks, and validating environment configurations.

This skill provides specialized guidance for building robust Stripe integrations within Claude Code. It automates the verification of complex API parameter rules—such as ensuring customer_creation isn't used in subscription mode—enforces best-in-class security patterns for webhooks, and assists in debugging environment-specific issues across deployment platforms like Vercel and Convex. By providing domain-specific checks for environment variable hygiene and runtime validation, it helps developers avoid common pitfalls and cryptic production errors.

Key Features

01Production-ready debugging checklists for payment flows

02Environment variable hygiene and whitespace detection

03Cross-platform parity checks for Vercel and Convex deployments

04Conditional parameter validation for Checkout modes

052 GitHub stars

06Secure webhook signature verification implementation

Use Cases

01Debugging production webhook 500 errors and signature mismatches

02Setting up a new Stripe Checkout or Subscription workflow

03Auditing existing payment logic for API parameter compliance and security

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add phrazzld/claude-config stripe-best-practices

For use in Claude.ai and ChatGPT

Download Skill