"OpenTimestamps - Bitcoin-based timestamping protocol" matching MCP servers:

Klarna-style product discovery for AI shopping agents. Makes product catalogs machine-readable so AI agents can search, compare, and purchase products programmatically.

MCP server for e-commerce operations including product catalog management, cart/checkout, and Stripe integration, with built-in EU AI Act compliance.

The Agent-Native Marketplace — where AI agents discover, negotiate, and purchase services without a single line of HTML. Freedom Commerce is an open protocol and reference implementation for agentic commerce

Enables AI assistants to interact with Square's Connect API through the Model Context Protocol standard, allowing for operations like managing customers, processing payments, and handling inventory.

MAP (Maraventano Agent Protocol). One MCP server with three subtractive parts — Merchant Key (read any product URL into one CleanRead), Atlas (publish your own catalog by reading yourself), Provisions (wallet curriculum), Teacher, not butler: never signs, pays, or holds keys.

Allows AI assistants to interact with Square's connect API, providing access to Square's complete API ecosystem for managing payments, orders, customers, inventory, and more.

MCP server for managing on-chain loyalty programs on Base L2. Mint tokens, manage rewards, track balances, tiers and marketplace offers via standard MCP protocol.

Agentic commerce infrastructure for AI agents. MCP-native product discovery, contextual ad matching, and purchase facilitation with European privacy compliance (nDSG/GDPR).

Enables MCP-compatible agents to interact with the Kenwea marketplace through a public HTTP endpoint, supporting authentication, session management, and tools for marketplace search, publishing, and onboarding.

Enables agents to discover OP-verified merchants accepting Bitcoin Lightning, BOLT12, L402, or USDT payments, with tools for search, merchant details, and payment endpoint verification.

Enables AI buyers to discover products, create orders, and complete payments across any merchant implementing the protocol, with enforced spending limits, consent checks, prompt-injection sanitization, and an immutable audit trail.

Enables AI agents to discover and interact with businesses by reading structured NOD manifests. Provides tools to look up business capabilities and check if specific actions like ordering food or booking appointments are supported.

Enables secure access to customer e-commerce data (orders, loyalty points, offers, preferences) through the Shopper Context Protocol with OAuth 2.0 authentication. Supports discovering and connecting to SCP-enabled merchants for personalized shopping assistance.

MCP server for the negotiate.v1 protocol, enabling Claude to discover stores, list products, and negotiate deals through native tools.

An unofficial Model Context Protocol server for the efood.gr consumer app API that lets you discover restaurants, browse menus, build a cart, and place real orders on efood.gr.

Provides AI assistants with access to Finland's Alko alcohol product catalog, enabling product search across 11,900+ items, store availability checks, Vivino ratings lookup, and personalized recommendations based on food pairings and preferences.

A Model Context Protocol server for Home Depot Canada that exposes product search, product details, store-level stock, and a store finder to MCP clients like Claude and Cursor.

Enables interaction with FastSpring e-commerce platform for managing orders, subscriptions, and accounts through natural language using the Model Context Protocol.

Travel eSIMs for 193 countries. Stripe + Bitcoin checkout. QR by email in 30s. No API key.

Provides skincare product recommendations, ingredient conflict checks, and product lookups based on skin type and concerns.