Protocol deep dives, MCP server walkthroughs, and weekly x402 on-chain metrics — for developers building the infrastructure that lets agents pay, earn, and transact.
Why now
Seven competing standards — x402, ACP, UCP, A2A, TAP, AdCP, ARTF — are fighting to become the settlement layer for trillions in agent-initiated transactions. No newsletter tracks this with the technical rigor builders actually need.
What we cover
Weekly status on x402 vs ACP vs UCP vs TAP — adoption metrics, interoperability gaps, and who's winning the standard war.
Step-by-step guides to deploy paid MCP servers, integrate x402 into your agent, and earn USDC with real transaction data included.
Weekly x402 transaction volumes, active wallets, and stablecoin flows pulled from Dune Analytics — raw data, real insight.
Everyone covers the buyer side. We cover merchant acceptance infrastructure — the missing half of agentic payments nobody else writes about.
Vulnerability tracking, CVE coverage, and practical hardening guides for MCP deployments at production scale.
EFTA, TILA, and emerging frameworks for agent-initiated transactions — translated for builders, not lawyers.
Sample issue
Every issue is technically dense, practically useful, and built by someone who ships in this stack.
Seven protocols launched in twelve months. AWS, Coinbase, Stripe, OpenAI, Visa, and Cloudflare all shipped competing infrastructure for agent-to-agent payments in 2025–2026. Here's what each one actually does — and who's ahead.
When Coinbase and Cloudflare published the x402 specification in September 2025, they bet that HTTP's native status code — 402 Payment Required — was the right primitive for machine-to-machine payments. The bet was simple: agents already speak HTTP. Don't build a new protocol; extend the existing one.
Within 30 days, x402 transactions spiked 10,780% on Base. By April 2026, the Linux Foundation had launched the x402 Foundation with 20+ members including AWS, Stripe, Google, Visa, and Mastercard. That's unusually fast institutional traction for a crypto-adjacent standard.
But x402 isn't alone. Stripe and OpenAI shipped ACP (Agentic Commerce Protocol) with a fundamentally different philosophy: abstract the payment layer entirely, letting agents delegate to human-owned payment methods via Shared Payment Tokens. Meanwhile, Visa and Cloudflare built TAP (Transaction Authorization Protocol) with a card-network-first model...
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About
Agent Commerce Weekly covers the protocols, standards, and infrastructure powering autonomous commerce. Protocol deep dives, builder walkthroughs, weekly on-chain metrics, and regulatory tracking. No market commentary. No price takes. The technical layer, weekly.
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