MCP Tool Call Envelope
UCP's MCP transport envelope for JSON-RPC tools/call messages. The schema validates the MCP mapping layer: operation name in params.name, UCP metadata and domain arguments in params.arguments, and UCP output in result.structuredContent.
Generated from: mcp_tool_call.json
Summary
Functions
Casts params to one of the variant types.
Returns the variant modules for this union type.