expand-mcp

Summary:

- Expanded MCP funtionality and useful response schemata.

Author: general-kroll-4-life

pkg/mcp_server/dto/dto.go

@@ -0,0 +1,41 @@
+package dto
+
+// Pure data transfer objects (no dependencies on server/backend code).
+
+// GreetDTO carries a simple greeting payload.
+type GreetDTO struct {
+	Greeting string `json:"greeting"`
+}
+
+// ServerInfoDTO provides static server/environment information.
+type ServerInfoDTO struct {
+	Name       string `json:"name"`
+	Info       string `json:"info"`
+	IsReadOnly bool   `json:"is_read_only"`
+}
+
+// DBIdentityDTO represents the current database identity.
+type DBIdentityDTO struct {
+	Identity string `json:"identity"`
+}
+
+// QueryResultDTO represents a query response; Rows only populated for JSON format.
+// Raw contains original textual result when not parsed; Warnings may include advisory messages
+// (e.g. URL encode slashes in hierarchical resource keys).
+type QueryResultDTO struct {
+	Rows     []map[string]any `json:"rows,omitempty"`
+	RowCount int              `json:"row_count"`
+	Format   string           `json:"format"`
+	Raw      string           `json:"raw,omitempty"`
+	Warnings []string         `json:"warnings,omitempty"`
+}
+
+// SimpleRowsDTO wraps a plain rows array.
+type SimpleRowsDTO struct {
+	Rows []map[string]any `json:"rows"`
+}
+
+// SimpleTextDTO wraps a single text payload.
+type SimpleTextDTO struct {
+	Text string `json:"text"`
+}