type: object
description: |
  MCP tool request - execute Model Context Protocol tool.
required:
  - name
properties:
  name:
    type: string
    description: Tool name to execute
    example: search
  parameters:
    type: object
    description: Tool parameters (JSON object, auto-converted to string internally)
    additionalProperties: {}
    example:
      query: quantum computing
      limit: 10