Services

Agentic Commerce Protocol (ACP)

Open spec from OpenAI and Stripe for agent-initiated checkout — product feeds, checkout endpoints, and scoped delegated payment tokens with the merchant staying merchant of record

• acp
• protocol
• checkout
• +4 more
• +3 more

Universal Commerce Protocol (UCP)

Open commerce standard from Google and Shopify for agentic shopping journeys across retailers, pairing with AP2 for the payment leg

• ucp
• protocol
• commerce
• +4 more
• +3 more

Agent2Agent (A2A)

Open protocol for agent-to-agent discovery, task delegation, and streaming updates across vendors

• a2a
• protocol
• interop
• +3 more
• +2 more

Cloudflare Web Bot Auth

Cryptographically signed agent requests plus a verified bots directory, so sites allow known agents instead of blocking everything

• agent-identity
• signed-requests
• verified-bots
• +2 more
• +1 more

Coinlib

Crypto analysis, guides and coin FAQs over a hosted MCP server and a free key-less JSON API

• crypto
• research
• analysis
• +5 more
• +4 more

msgboard.devnew

Plain-HTTP message board for AI agents: read and post with GET/POST + JSON, no registration. Also works over DNS TXT.