Vtiger Analytics MCP Server (SSE + OAuth)
  SSE stream                       : GET  /sse                 (Bearer)
  Client→server                    : POST /messages/<sid>      (Bearer)
  Health                           : GET  /healthz
  Authorization Server metadata    : GET  /.well-known/oauth-authorization-server
  Protected Resource metadata      : GET  /.well-known/oauth-protected-resource
  Dynamic Client Registration      : POST /oauth/register
  Authorization (PKCE)             : GET  /oauth/authorize
  Token exchange                   : POST /oauth/token
  Revoke                           : POST /oauth/revoke