{"message":"DeepBlueNet9 MCP Server","mcpEndpoint":"/mcp","usage":"Connect ChatGPT, Claude, Grok, or MCP Playground to this URL. Tools: CreateSlider, CreateSliderHeader, CreateEntry, ListSupportedControllers.","sessionFlow":"First POST to /mcp with JSON-RPC method 'initialize' (no MCP-Session-Id). Use the MCP-Session-Id from the response header on all subsequent requests. Do not send a client-generated session id."}