Official MCP Registry /.well-known/server.json Spec for B2B SaaS

Official MCP Registry /.well-known/server.json Specification for B2B SaaS
Updated 2026-11-01 · Grounded in 2459 audited B2B SaaS domains · Live reference: /.well-known/server.json

IDE coding agents (Claude Code, Cursor, VS Code Copilot, Windsurf) and autonomous MCP registries verify domain ownership and discover remote streamable-http endpoints via /.well-known/server.json alongside /.well-known/mcp.json. Serve it as deterministic application/json; charset=utf-8 with CORS enabled:

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json",
  "name": "com.acme/acme-cloud",
  "title": "Acme Cloud — Official B2B SaaS MCP Server",
  "description": "Deterministic pricing, API docs, and workspace provisioning tools for Acme Cloud.",
  "version": "1.0.0",
  "websiteUrl": "https://acme.com",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://acme.com/mcp"
    }
  ]
}