Type
mcp-error
Standard MCP error structure.
Maps to JSONRPCError.error in the MCP spec:
- code: number - "The error type that occurred"
- message: string - "A short description of the error"
- data?: unknown - "Additional information about the error"
See: https://modelcontextprotocol.io/specification/2025-06-18/schema#jsonrpcerror
type mcp-error = error;