{"ok":true,"server":{"name":"mtn-gateway-mcp","version":"1.0.0"},"upstreams":[{"id":"whitebox","label":"The White Box","prefix":"whitebox_"},{"id":"ledger","label":"MTN Ledger","prefix":"ledger_"}],"auth":{"google_sign_in":true,"allowlisted_accounts":2},"note":"MCP Streamable HTTP endpoint. Add this URL as a Claude custom connector; you will be asked to sign in. Link the upstreams once at /link."}