feat: add list issue types tool

Author: radar07

pkg/github/issue_types.go

@@ -0,0 +1,63 @@
+package github
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/github/github-mcp-server/pkg/translations"
+	"github.com/mark3labs/mcp-go/mcp"
+	"github.com/mark3labs/mcp-go/server"
+)
+
+func ListIssueTypes(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
+	return mcp.NewTool("list_issue_types",
+			mcp.WithDescription(t("TOOL_LIST_ISSUE_TYPES_DESCRIPTION", "")),
+			mcp.WithToolAnnotation(mcp.ToolAnnotation{
+				Title:        t("TOOL_LIST_ISSUE_TYPES_USER_TYPE", "List Issue Types"),
+				ReadOnlyHint: ToBoolPtr(true),
+			}),
+			mcp.WithString("org_name",
+				mcp.Required(),
+				mcp.Description("The organization name to list issue types for"),
+			),
+		),
+		func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+			orgName, err := RequiredParam[string](request, "org_name")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+			client, err := getClient(ctx)
+			if err != nil {
+				return nil, fmt.Errorf("failed to get GitHub client: %w", err)
+			}
+			issueTypes, resp, err := client.Organizations.ListIssueTypes(ctx, orgName)
+			if err != nil {
+				return nil, fmt.Errorf("failed to get issue types: %w", err)
+			}
+			defer func() { _ = resp.Body.Close() }()
+
+			if resp.StatusCode != http.StatusOK {
+				body, err := io.ReadAll(resp.Body)
+				if err != nil {
+					return nil, fmt.Errorf("failed to read response body: %w", err)
+				}
+				return mcp.NewToolResultError(fmt.Sprintf("failed to list issue types: %s", string(body))), nil
+			}
+
+			r, err := json.Marshal(issueTypes)
+			if err != nil {
+				return nil, fmt.Errorf("failed to marshal issue: %w", err)
+			}
+
+			return mcp.NewToolResultText(string(r)), nil
+		}
+}
+
+func CreateIssueType() {}
+
+func UpdateIssueType() {}
+
+func DeleteIssueType() {}

pkg/github/tools.go

@@ -119,6 +119,11 @@ func DefaultToolsetGroup(readOnly bool, getClient GetClientFn, getGQLClient GetG
 			toolsets.NewServerTool(GetMe(getClient, t)),
 		)
 
+	issueTypes := toolsets.NewToolset("issue_types", "Issue types related tools, such as GitHub Copilot Issue Types").
+		AddReadTools(
+			toolsets.NewServerTool(ListIssueTypes(getClient, t)),
+		)
+
 	// Add toolsets to the group
 	tsg.AddToolset(contextTools)
 	tsg.AddToolset(repos)
@@ -129,6 +134,7 @@ func DefaultToolsetGroup(readOnly bool, getClient GetClientFn, getGQLClient GetG
 	tsg.AddToolset(secretProtection)
 	tsg.AddToolset(notifications)
 	tsg.AddToolset(experiments)
+	tsg.AddToolset(issueTypes)
 
 	return tsg
 }