Free, no sign-in MCP: can AI agents reach checkout at a store? Try: Use ARC to check allbirds.com

Free open check: can an AI agent reach checkout on this store? Advisory; ARC stops before payment.

Claude Code plugin that picks and implements the right payment method for your app — from your terminal. 42 providers, 136 payment rails, and deterministic validators that block insecure payment code as it is written.

Guides Stripe integration decisions across development and test environment planning (separate sandboxes vs the shared test mode sandbox), API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, tax and registrations (S

Enables AI assistants to search a catalog of framed public-domain masterworks and NASA photography, look up available sizes, frames and prices, and quote orders before tax and shipping. It can also generate a secure Stripe Checkout link so the buyer pays directly, and report order and shipping status without exposing card data.

Create live scoreboards, connect with OAuth, and prepare checkout or Stripe CLI payments.

Audit a landing page, sales page or checkout page for conversion leaks and return a fix list ordered by expected revenue impact. Use when asked to review, critique or improve a landing page, sales page, opt-in page, product page or checkout flow, when conversion rate is low, when paid traffic is not

Design and implement one-click post-purchase upsells and downsells that raise average order value without hurting the main conversion rate. Use when asked to increase AOV, add an upsell, cross-sell or downsell after checkout, build a one-click upsell flow, monetize the thank-you page, or when someon

Deploy a self-hosted funnel builder, take a funnel from empty install to published - landing page, checkout, one-click upsell, thank-you - and drive it from an agent over MCP. Covers deploying to Cloudflare Workers inside the free tier or to Docker, wiring payments, catalog and conversion tracking,

Add Stripe billing/payments to the Convex app via @convex-dev/stripe (checkout + webhook + gating).

Add Stripe billing/payments to the Convex app via @convex-dev/stripe (checkout + webhook + gating).

Original art from galleries and artists: search, details, delivered prices and checkout links.

Lets AI agents turn a UPI QR code plus cart details into a single review-and-pay page link that opens GPay, PhonePe or Paytm pre-filled, so a human pays in one tap. Agents can also poll live payment status and set or confirm it, closing the checkout loop with signed webhooks.

Free, rules-based checks for e-commerce product pages: AI shopping readiness (structured data, reviews, return and shipping terms, GTINs, AI crawler access), Google Merchant Center compliance, store SEO audit and Shopify checkout deadlines. No AI calls, nothing stored.

Enables coding agents to check whether a GitHub issue is ready to hand off before starting work, predicting the files and tests the fix will touch from the live checkout and holding back under-specified issues with a single clarifying question.

3D printing studio in Connecticut: instant prices and checkout links for model files, and quotes.

Chipp: the feature pack and recipe catalog, pack installs, checkout, and the project blueprint

Ask a merchant's haggl.ai sales agent for a personalized offer, then hand it to checkout.

Quote and order waterjet-cut metal parts from a CAD file: instant price and checkout link.

Launch products and branded checkouts on Payments AI, the Merchant of Record for AI-built apps.

Find events in Guatemala, get checkout links and draft new events. Public, no key.

Saved agent-checkout evidence per store, free: check_store, find_stores. Scans need OAuth.

Bay Area SUV quotes, tentative availability and pending ride requests with secure web checkout.

Korean handcrafted goods by named artists: search, artists, duty-included quotes, checkout links.