Reads and returns the full text content of a file. The path must be relative to the server's sandboxed root directory. Returns an error if the file does not exist, is not readable as text, or resolves outside the sandbox.

Lists the contents of a directory within the sandbox. Returns file and folder names, with folders marked so they can be told apart from files. If no path is given, lists the sandbox root directory.

Writes text content to a file within the sandbox. If the file already exists, it will only be overwritten if 'overwrite' is set to true — otherwise this returns an error to avoid accidental data loss. Missing parent directories are created automatically.

Searches for files within the sandbox, recursively through all subdirectories. Can match by filename pattern (e.g. '*.txt'), by text found inside file contents, or both — at least one of 'pattern' or 'contains' must be given. Returns up to 100 matching file paths; if more exist, the result notes that matches were truncated.