A2A /.well-known/agent-card.json & WebMCP Blueprint for B2B SaaS

Agent-to-Agent (A2A) /.well-known/agent-card.json & WebMCP Blueprint
Updated 2026-11-01 · Grounded in 2459 audited B2B SaaS domains · Live reference: /.well-known/agent-card.json

Autonomous procurement and developer agents increasingly inspect /.well-known/agent-card.json (Linux Foundation / A2A protocol) for typed skills and endpoint URLs, and toolname / tooldescription attributes (W3C WebMCP) on HTML checkout forms. Expose both alongside /.well-known/mcp.json in under 10 minutes:

{
  "protocolVersion": "0.2.5",
  "name": "Acme Cloud",
  "url": "https://acme.com/mcp",
  "documentationUrl": "https://acme.com/llms-full.txt",
  "authentication": { "schemes": ["none"] },
  "skills": [
    { "id": "get_pricing", "name": "Fetch Deterministic Pricing", "description": "Read /pricing.md" }
  ]
}