{"service":"Hancom AI Writer MCP Server v2.1","status":"ok","extensionClients":3,"endpoints":{"mcp":"POST /mcp (Streamable HTTP)","oauth":"GET /.well-known/oauth-*, POST /register, GET /authorize, POST /token","auth":"GET /auth/google, GET /auth/google/callback","billing":"POST /api/billing/subscribe, POST /api/billing/cancel","dashboard":"GET /api/me"}}