agent-commerce-protocol-mcp 1.0.1

Agent Commerce Protocol MCP — bridges Stripe ACP + Google AP2 + Coinbase x402 for agent payments inside ChatGPT, AP2 coalition rails, and pay-per-call x402 flows. By MEOK AI Labs.

Agent Commerce Protocol MCP

🧱 Part of the MEOK A2A Substrate

All 12 A2A primitives + Stripe ACP bridge as one signed pipeline for £499/mo. See meok.ai/a2a.

Bridges Stripe ACP + Google AP2 + Coinbase x402

The "ACP" name collision

There are two protocols called "ACP" — they do different things:

	IBM ACP	Stripe ACP
Full name	Agent Communication Protocol	Agentic Commerce Protocol
Owner	IBM Research (was)	Stripe + OpenAI
Status	Merged into A2A under Linux Foundation Sept 2025	LIVE — Apache 2.0
What it does	Agent-to-agent messaging	In-conversation payments
Where you hit it	A2A protocol stack	ChatGPT merchant flows
MEOK coverage	A2A Substrate (12 MCPs)	THIS MCP

This MCP is the Stripe ACP one — agent payments inside ChatGPT-style flows.

What this gives you

The only MCP that bridges all 3 live agent-payment protocols:

• Stripe ACP — primary, for ChatGPT merchant flows
• Google AP2 — bridged, for the 60-org Mastercard/PayPal/Adyen coalition
• Coinbase x402 — bridged, for HTTP-402 pay-per-call without a Stripe account

Plus EU compliance overlays automatically applied to every transaction: PSD2 (EU), MiCA (EU crypto), 6AMLD (EU AML), FinCEN BSA (US).

Every payment intent + verification signs into the MEOK audit chain at verify.meok.ai.

Tools

Tool	Purpose
discover_acp_merchants(category?)	List Stripe-ACP-compatible merchants
prepare_payment_intent(merchant_id, items, currency)	Build Stripe ACP intent
sign_payment_intent(intent)	HMAC-sign + chain into audit log
verify_acp_response(response, expected_intent_id?)	Verify merchant attestation
bridge_to_ap2_mandate(intent, user_consent_jwt?)	Convert to Google AP2 mandate
bridge_to_x402_paywall(intent)	Convert to Coinbase HTTP 402
list_supported_protocols()	Capability discovery

Quick install

uvx agent-commerce-protocol-mcp
pip install agent-commerce-protocol-mcp
npx @meok-ai/agent-commerce-protocol-mcp

Claude Desktop / Cursor / Windsurf MCP config:

{
  "mcpServers": {
    "agent-commerce-protocol": {
      "command": "uvx",
      "args": ["agent-commerce-protocol-mcp"]
    }
  }
}

Why this matters for £-revenue

Stripe ACP is the protocol Stripe + OpenAI are pushing through ChatGPT's shopping interface. Every ChatGPT merchant gets Stripe ACP free with their OpenAI integration. If your agent participates in ChatGPT commerce (or any merchant flow built on Stripe Connect ACP), you need this MCP to:

1. Initiate signed payment intents with audit-trail evidence for EU AI Act Article 12 + DORA Article 17
2. Bridge to AP2 mandates if the merchant runs on Mastercard/PayPal/Adyen rails instead of pure Stripe
3. Bridge to x402 if your agent settles micropayments on-chain (Base / Polygon / Solana / Lightning)

Sister MCPs

Part of the MEOK A2A pack:

• agent-commerce-payments-mcp → invoicing + escrow + AML/KYC
• agent-prompt-injection-firewall-mcp → scan payment prompts for injection
• agent-policy-enforcement-mcp → gate which agents can spend
• agent-rate-limiter-mcp → cap call volume per session
• agent-audit-logger-mcp → hash-chained log of every payment intent
• agent-identity-trust-mcp → buyer DID resolution

Full catalogue: meok.ai/anthropic-registry

Protocol coverage + Universal PAYG

Option	Price	Best for
Self-host (this MCP)	£0 — MIT	Devs
This MCP Starter	£29/mo	One-MCP teams
Universal PAYG	£29/mo + £0.0002/call	Spiky usage
A2A Substrate	£499/mo	All 13 A2A MCPs
Universe	£1,499/mo	All 48 MEOK MCPs

Buy: https://meok.ai/a2a

Licence

MIT. By MEOK AI Labs (CSOAI LTD, UK Companies House 16939677). Founder: Nicholas Templeman.