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AI CLUSTERED EVENT · 10/9/2026

LangChain and Stripe Launch Restock: Enabling Agent Payments via MPP Protocol with Budget Controls

1 reports archived1 independent sourcesupdated 10/9/2026, 00:00:05
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LangChain released the open-source sample project Restock, demonstrating how agents can execute end-to-end purchasing workflows in Slack using Managed Deep Agents. The project integrates Stripe Link and the Machine Payments Protocol (MPP) to ensure agents perform real transactions within user-defined budget caps without accessing sensitive card data. Developers can use this codebase to build autonomous agents with secure payment capabilities.

LATEST/LangChain released the open-source sample project Restock, demonstrating how agents can execute end-to-end purchasing workflows in Slack using Managed Deep Agents. The project integrates Stripe Link and the Machine Payments Protocol (MPP) to ensure agents perform real transactions within user-defined budget caps without accessing sensitive card data. Developers can use this codebase to build autonomous agents with secure payment capabilities.

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  1. LangChain BlogT1·68 pts

    LangChain and Stripe Launch Restock: Enabling Agent Payments via MPP Protocol with Budget Controls

    Original: Agents that can pay: building Restock with Stripe's Link and Managed Deep Agents

    • Restock is a sample agent running on Slack that automatically finds products, builds carts, and checks out via API.
    • It uses Stripe Link and the Machine Payments Protocol (MPP) to ensure agents never see card numbers and strictly adhere to user-approved budgets.
    • The code is open-sourced on GitHub, allowing developers to reuse the architecture to build payment-capable vertical agents.