MCP Spec

Specifications of the json format (as JSON Schema) of the Next Gen UI MCP Server. Mainly usefull to implement client-side interaction directly with MCP server.

How relevant object types are generated to TypeScript then can be tested here: https://transform.tools/json-schema-to-typescript

Generate UI

Input

2 inputs required: user_prompt and input_data.

Example JSON input for input_data argument:

[
  {
    "data": "some-data",
    "id": "id",
    "type": "pods_log"
  }
]

Response

mcp/generate_ui_output.schema.json

Example JSON output:

{
  "blocks": [
    {
      "id": "tool_call_id",
      "rendering": {
        "id": "tool_call_id",
        "component_system": "json",
        "mime_type": "application/json",
        "content": "{\"id\":\"id\",\"data\":\"some-data\",\"component\":\"log\"}"
      }
    }
  ],
  "summary": "Components are rendered in UI.\nCount: 1\n1. type: log"
}