specify sha is required

Author: crondinini

pkg/github/repositories.go

@@ -216,7 +216,7 @@ func ListBranches(getClient GetClientFn, t translations.TranslationHelperFunc) (
 // CreateOrUpdateFile creates a tool to create or update a file in a GitHub repository.
 func CreateOrUpdateFile(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
 	return mcp.NewTool("create_or_update_file",
-			mcp.WithDescription(t("TOOL_CREATE_OR_UPDATE_FILE_DESCRIPTION", "Create or update a single file in a GitHub repository")),
+			mcp.WithDescription(t("TOOL_CREATE_OR_UPDATE_FILE_DESCRIPTION", "Create or update a single file in a GitHub repository. If updating, you must provide the SHA of the file you want to update.")),
 			mcp.WithString("owner",
 				mcp.Required(),
 				mcp.Description("Repository owner (username or organization)"),