https://agenticcommerceatlas.com/ Evergreen reference articles on agentic commerce, from definitions to protocol explainers and builder guides. en Tue, 14 Jul 2026 09:42:17 GMT https://agenticcommerceatlas.com/learn/agentic-commerce-for-retailers/ https://agenticcommerceatlas.com/learn/agentic-commerce-for-retailers/ A retailer-focused playbook for agentic commerce: how to prepare product data, agent discoverability, checkout, payments, authorization, operations, measurement, and channel economics. Wed, 01 Jul 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-examples/ https://agenticcommerceatlas.com/learn/agentic-commerce-examples/ Concrete examples of agentic commerce across retail, subscriptions, services, B2B procurement, travel, and machine-to-machine payments, with live, announced, and hypothetical flows separated. Tue, 30 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-readiness-checklist/ https://agenticcommerceatlas.com/learn/agentic-commerce-readiness-checklist/ A practical readiness checklist for merchants preparing for agentic commerce: product data, discoverability, checkout, payments, authorization, evidence, governance, and risk. Tue, 30 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-rfp-questions/ https://agenticcommerceatlas.com/learn/agentic-commerce-rfp-questions/ A buyer-ready guide to agentic commerce RFP questions for evaluating platforms, processors, payment providers, AI vendors, and agentic checkout integrations. Tue, 30 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/ai-shopping-agent-payment-authorization/ https://agenticcommerceatlas.com/learn/ai-shopping-agent-payment-authorization/ How payment authorization works when AI shopping agents buy for users: mandates, scoped tokens, passkeys, network agent programs, liability gaps, and merchant evidence. Tue, 30 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/mcp-for-ecommerce/ https://agenticcommerceatlas.com/learn/mcp-for-ecommerce/ A practical guide to MCP for ecommerce: the merchant tools an AI agent needs, how MCP fits with ACP and UCP, what to expose, what to protect, and how to design a commerce MCP server. Tue, 30 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/acp-explained/ https://agenticcommerceatlas.com/learn/acp-explained/ A neutral guide to the Agentic Commerce Protocol (ACP): what it is, who maintains it, how payment flows through a Shared Payment Token, what is actually live, and how it relates to AP2, MCP, and UCP. Mon, 29 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/acp-vs-ucp/ https://agenticcommerceatlas.com/learn/acp-vs-ucp/ A neutral, side-by-side comparison of ACP and UCP, the two open agentic commerce checkout standards: who backs each, how their scope differs, what is live, how payment works, and whether a merchant should support one or both. Mon, 29 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-glossary/ https://agenticcommerceatlas.com/learn/agentic-commerce-glossary/ Plain-language definitions of the key agentic commerce terms and acronyms: agent, mandate, ACP, AP2, UCP, MCP, x402, MPP, Shared Payment Token, tokenization, passkey, merchant of record, verifiable credential, and more. Mon, 29 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-protocol-stack/ https://agenticcommerceatlas.com/learn/agentic-commerce-protocol-stack/ A neutral, plain-language comparison of the protocols behind agentic commerce: ACP, AP2, UCP, MCP, A2A, x402, and MPP. What each one does, who backs it, and how they fit together. Mon, 29 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/ucp-explained/ https://agenticcommerceatlas.com/learn/ucp-explained/ A neutral guide to the Universal Commerce Protocol (UCP): Google's open standard for the full agentic shopping journey, who governs it, how it relates to ACP and AP2, and what is actually live. Mon, 29 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/a2a-explained/ https://agenticcommerceatlas.com/learn/a2a-explained/ A short, neutral guide to A2A, the Agent-to-Agent protocol: the open standard for agents to communicate and delegate to one another, and the coordination layer that AP2 and x402 build on in agentic commerce. Tue, 23 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/ap2-vs-network-tokens/ https://agenticcommerceatlas.com/learn/ap2-vs-network-tokens/ A neutral comparison of AP2, the open agent payment-authorization standard, and the card networks' own agent-payment programs (Visa Intelligent Commerce, Mastercard Agent Pay, American Express): how they differ, where they overlap, and why they are converging rather than simply competing. Tue, 23 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/mcp-explained/ https://agenticcommerceatlas.com/learn/mcp-explained/ A neutral guide to the Model Context Protocol (MCP) and its role in agentic commerce: the discovery layer agents use to find and call a merchant's tools, how it composes with the commerce protocols, and how it shows up in payments. Tue, 23 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/product-catalog-for-agentic-commerce/ https://agenticcommerceatlas.com/learn/product-catalog-for-agentic-commerce/ A practical, protocol-agnostic guide to getting your product data agent-ready: what 'agent-ready' means, the fields that matter most, why live-store parity is non-negotiable, where the feed goes, and how to curate and keep it current. Tue, 23 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/x402-explained/ https://agenticcommerceatlas.com/learn/x402-explained/ A neutral guide to x402: Coinbase's open protocol that revives the HTTP 402 status so software can pay software in stablecoins, how the facilitator model works, who governs it, and how it relates to MPP and AP2. Tue, 23 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/x402-vs-mpp/ https://agenticcommerceatlas.com/learn/x402-vs-mpp/ A neutral comparison of x402 and MPP, the two machine-native settlement standards for agents paying for APIs, compute, and services: what they share, how they differ in sponsor, settlement, and rails, and when to use each. Tue, 23 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-by-business-type/ https://agenticcommerceatlas.com/learn/agentic-commerce-by-business-type/ Deeper, role-specific guidance for agentic commerce: the distinct opportunity, the specific risk, the concrete first moves, the metrics, and the protocols that matter most for a retailer, a brand or manufacturer, a marketplace or platform, and a services business. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/agentic-commerce-risks-and-readiness/ https://agenticcommerceatlas.com/learn/agentic-commerce-risks-and-readiness/ A neutral guide to the real risks of agentic commerce, agent impersonation, unauthorized purchases, chargebacks and liability, privacy, and channel disintermediation, how the standards address each, and a readiness checklist for getting in safely. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/ap2-explained/ https://agenticcommerceatlas.com/learn/ap2-explained/ A neutral guide to the Agent Payments Protocol (AP2): how it proves a user authorized an agent's purchase, the mandate model, its move to the FIDO Alliance, and how it relates to ACP, A2A, MCP, and x402. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/ap2-mandates-in-practice/ https://agenticcommerceatlas.com/learn/ap2-mandates-in-practice/ A builder's guide to AP2 mandates as they actually work in v0.2: the Checkout and Payment mandates, their open and closed states, the SD-JWT verifiable-credential structure, how the delegation chain is signed and verified, and how human-present and human-not-present flows differ in the data. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/build-a-remote-mcp-server/ https://agenticcommerceatlas.com/learn/build-a-remote-mcp-server/ A practical builder's guide to shipping a remote Model Context Protocol server, using the Agentic Commerce Atlas's own Cloudflare Worker as the worked example: the Streamable HTTP transport, the JSON-RPC methods you must implement, how to define and serve tools, and how to deploy and test it. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/how-ai-agents-pay/ https://agenticcommerceatlas.com/learn/how-ai-agents-pay/ How AI agents actually pay: tokenization, signed mandates, passkeys and delegated authority, and the network products from Visa, Mastercard, American Express, PayPal, Stripe, and the x402 stablecoin rail. What is live versus announced. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/implement-acp/ https://agenticcommerceatlas.com/learn/implement-acp/ A practical builder's guide to integrating the Agentic Commerce Protocol as a merchant: the three responsibilities (product feed, the Agentic Checkout API, and accepting a Shared Payment Token), the real endpoints and payloads, and how the payment flows without your store ever seeing a card. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/introducing-agentic-commerce/ https://agenticcommerceatlas.com/learn/introducing-agentic-commerce/ A plain-language, no-jargon introduction to agentic commerce for newcomers: what it is, why it matters, and how it differs from normal online shopping, in a few minutes. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/mpp-explained/ https://agenticcommerceatlas.com/learn/mpp-explained/ A neutral guide to the Machine Payments Protocol (MPP): the open standard from Stripe and Tempo that lets AI agents pay for APIs, compute, and services programmatically, how it works, what it settles in, and how it relates to x402, ACP, and AP2. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn https://agenticcommerceatlas.com/learn/what-is-agentic-commerce/ https://agenticcommerceatlas.com/learn/what-is-agentic-commerce/ A plain-language explanation of agentic commerce: AI agents that browse, choose, and pay on a person's behalf. How a transaction flows, why it is happening now, what is actually live, and who the players are. Mon, 22 Jun 2026 00:00:00 GMT Andrew McPherson Learn