diff --git a/README.md b/README.md
index b37e923cf..e80a42afe 100644
--- a/README.md
+++ b/README.md
@@ -499,6 +499,11 @@ export GITHUB_MCP_TOOL_ADD_ISSUE_COMMENT_DESCRIPTION="an alternative description
   - `branch`: Branch name (string, optional)
   - `sha`: File SHA if updating (string, optional)
 
+- **create_and_update_file** - Create a file if it doesn't exist, or update it if it does, in a single call
+  - `owner`: Repository owner (string, required)
+  - `repo`: Repository name (string, required)
+  - `path`: File path (string, required)
+
 - **list_branches** - List branches in a GitHub repository
   - `owner`: Repository owner (string, required)
   - `repo`: Repository name (string, required)
diff --git a/cmd/mcpcurl/README.md b/cmd/mcpcurl/README.md
index 493ce5b18..9ab2ce91c 100644
--- a/cmd/mcpcurl/README.md
+++ b/cmd/mcpcurl/README.md
@@ -45,6 +45,7 @@ Available Commands:
   create_branch         Create a new branch in a GitHub repository
   create_issue          Create a new issue in a GitHub repository
   create_or_update_file Create or update a single file in a GitHub repository
+  create_and_update_file Create and update a file in a GitHub repository
   create_pull_request   Create a new pull request in a GitHub repository
   create_repository     Create a new GitHub repository in your account
   fork_repository       Fork a GitHub repository to your account or specified organization