Add Tool Name property for List Code Scanning Alerts tool (#272)

Author: Dylan-Rinker

Diff for: README.md

@@ -436,6 +436,7 @@ export GITHUB_MCP_TOOL_ADD_ISSUE_COMMENT_DESCRIPTION="an alternative description
   - `ref`: Git reference (string, optional)
   - `state`: Alert state (string, optional)
   - `severity`: Alert severity (string, optional)
+  - `tool_name`: The name of the tool used for code scanning (string, optional)
 
 ## Resources
 

Diff for: pkg/github/code_scanning.go

@@ -94,6 +94,9 @@ func ListCodeScanningAlerts(getClient GetClientFn, t translations.TranslationHel
 				mcp.Description("Filter code scanning alerts by severity"),
 				mcp.Enum("critical", "high", "medium", "low", "warning", "note", "error"),
 			),
+			mcp.WithString("tool_name",
+				mcp.Description("The name of the tool used for code scanning."),
+			),
 		),
 		func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
 			owner, err := requiredParam[string](request, "owner")
@@ -116,12 +119,16 @@ func ListCodeScanningAlerts(getClient GetClientFn, t translations.TranslationHel
 			if err != nil {
 				return mcp.NewToolResultError(err.Error()), nil
 			}
+			toolName, err := OptionalParam[string](request, "tool_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)
 			}
-			alerts, resp, err := client.CodeScanning.ListAlertsForRepo(ctx, owner, repo, &github.AlertListOptions{Ref: ref, State: state, Severity: severity})
+			alerts, resp, err := client.CodeScanning.ListAlertsForRepo(ctx, owner, repo, &github.AlertListOptions{Ref: ref, State: state, Severity: severity, ToolName: toolName})
 			if err != nil {
 				return nil, fmt.Errorf("failed to list alerts: %w", err)
 			}

Diff for: pkg/github/code_scanning_test.go

@@ -127,6 +127,7 @@ func Test_ListCodeScanningAlerts(t *testing.T) {
 	assert.Contains(t, tool.InputSchema.Properties, "ref")
 	assert.Contains(t, tool.InputSchema.Properties, "state")
 	assert.Contains(t, tool.InputSchema.Properties, "severity")
+	assert.Contains(t, tool.InputSchema.Properties, "tool_name")
 	assert.ElementsMatch(t, tool.InputSchema.Required, []string{"owner", "repo"})
 
 	// Setup mock alerts for success case
@@ -159,20 +160,22 @@ func Test_ListCodeScanningAlerts(t *testing.T) {
 				mock.WithRequestMatchHandler(
 					mock.GetReposCodeScanningAlertsByOwnerByRepo,
 					expectQueryParams(t, map[string]string{
-						"ref":      "main",
-						"state":    "open",
-						"severity": "high",
+						"ref":       "main",
+						"state":     "open",
+						"severity":  "high",
+						"tool_name": "codeql",
 					}).andThen(
 						mockResponse(t, http.StatusOK, mockAlerts),
 					),
 				),
 			),
 			requestArgs: map[string]interface{}{
-				"owner":    "owner",
-				"repo":     "repo",
-				"ref":      "main",
-				"state":    "open",
-				"severity": "high",
+				"owner":     "owner",
+				"repo":      "repo",
+				"ref":       "main",
+				"state":     "open",
+				"severity":  "high",
+				"tool_name": "codeql",
 			},
 			expectError:    false,
 			expectedAlerts: mockAlerts,