polar-integration

Add Polar billing to a TypeScript/JavaScript app using the @polar-sh/sdk package. Use this skill whenever the user wants to add a Checkout endpoint, a Customer Portal endpoint, or a Webhooks endpoint for Polar to any framework — Next.js, Express, Hono, Astro, SvelteKit, Remix, TanStack Start, Nuxt, Fastify, Elysia, Deno, Supabase Edge Functions, Cloudflare Workers, Bun, etc.

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Repository: polarsource/agent-toolkit
Last source activity: November 2, 2026 at 11:48
Detected SKILL.md language: English
Stars: 6
Forks: 1

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name	polar-integration
description	Add Polar billing to a TypeScript/JavaScript app using the @polar-sh/sdk package. Use this skill whenever the user wants to add a Checkout endpoint, a Customer Portal endpoint, or a Webhooks endpoint for Polar to any framework — Next.js, Express, Hono, Astro, SvelteKit, Remix, TanStack Start, Nuxt, Fastify, Elysia, Deno, Supabase Edge Functions, Cloudflare Workers, Bun, etc.

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polar-testing

Guide for testing Polar payment integrations using the sandbox environment. Use this skill when: (1) Setting up the Polar sandbox for development; (2) Testing checkout flows without real payments; (3) Using Stripe test cards with Polar; (4) Writing integration tests for payment flows; (5) Testing webhooks locally with the Polar CLI (`polar webhook listen`, `polar webhook trigger`) and generating webhook fixtures; (6) Mocking Polar in unit tests; (7) Setting up CI/CD pipelines with Polar sandbox; (8) Debugging payment issues in sandbox.

2026-11-02

setup-polar

Interactive onboarding wizard to set up Polar payment integration from scratch. Use this skill when: (1) User wants to "set up Polar" or "integrate Polar" in their project; (2) User is starting fresh with Polar and needs guided setup; (3) User asks "how do I get started with Polar"; (4) User wants to add payments/subscriptions/checkout to their app using Polar; (5) User needs help creating their first Polar product and checkout. This skill walks through MCP installation, authentication, product creation, and generates framework-specific integration code.

2026-11-02

polar-migration

Guide for migrating to Polar from other payment platforms (Stripe Billing, Paddle, Lemon Squeezy). Use this skill when: (1) Planning a migration from another payment provider to Polar; (2) Moving customers, subscriptions and saved cards with Polar's Stripe migration; (3) Running both billing systems during the transition; (4) Mapping products and pricing between platforms; (5) Updating webhook and access handling for migrated subscriptions; (6) Communicating the migration to customers; (7) Testing the migration in sandbox first.

2026-10-20

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polar-integration

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