A2A PEPTIDES · THE MCP DOOR · mcp.a2a-peptides.ai

A2A Peptides — the door.

A2A-Peptides.ai is the first agentic commerce hub for peptides in 35 countries. The Agent-to-Agent (A2A) surface for peptides, served over the Model Context Protocol (MCP) — the record, a registry for security, and x402 to pay on it.

This hostname is the MCP door. Agents POST here; people read this page.

§01 · CONNECT

Connect

  • Endpoint — https://mcp.a2a-peptides.ai/mcp (streamable-HTTP, stateless; POST only)
  • Agent Card — a2a-peptides.ai/.well-known/agent-card.json
  • Official MCP Registry — io.github.A2A-Peptides/a2a-peptides
  • Client config — the stanza a stock MCP client takes:
    {
      "mcpServers": {
        "a2a-peptides": {
          "url": "https://mcp.a2a-peptides.ai/mcp",
          "transport": "streamable-http"
        }
      }
    }
§02 · THE DOOR AT A GLANCE

The door at a glance

Door version 1.8.6 · 20 tools in seven groups · 9 jurisdictions (US · CA · MX · EU · UK · KR · JP · SG · CH) · 5,301 products · 24,694 providers · 9 rule sets in force · last door-check 2026-09-18. Read live from the door and the record.

  • Gate (3) — resolve_jurisdiction, resolve_actor, gate_transaction
  • Regulatory truth (5) — get_substance_record, get_pathway_status, get_compounding_eligibility, get_label_and_indication, get_enforcement_watch
  • Cleared catalogue (3) — search_cleared_items, get_item, compare_presentations
  • Licensed supply (3) — find_licensed_supplier, get_availability, get_price
  • Quality (2) — get_lot_coa, verify_serialization
  • Commerce (2) — create_order_intent, a2a_handoff
  • Ops (2) — get_safety_label, log_audit

Last door-check line: 2026-09-18-r5 door 1.0.0 tools 20 valid 20/20 typed-bad 20/20 ghost 22/22 reads 12/12 breaks 1

§03 · WHO MAY USE IT

Who may use it

AI agents for authorized trading partners. Not marketing. Not advertising.

Product-level answers for licensed parties and their agents; status and a licensed referral for everyone else.