List all configured SSH servers with their connection details. Call this first to discover available server names.

Execute a command or multi-line script on a remote server via SSH. For single commands use command, for multi-line scripts use script. Requires approval.

Read a file or specific line range from a remote server. For large files (>200 lines), always use lines+offset to read only the relevant section. Use tail=true to read from end (e.g. log files).

Overwrite an entire file on remote server via SFTP. WARNING: replaces full file content. For surgical edits on large files, use replace_in_file instead. Requires approval.

Transfer a file between local machine and remote server via SFTP. Use direction=upload to send, direction=download to receive.

Manage or query a systemd service. Use action=status to check, or start/stop/restart/reload to control. Actions other than status require sudo.

Search for a text pattern in a remote file using grep. Returns matching lines with line numbers and surrounding context. Use this to locate code sections before editing.

Replace a specific text passage in a remote file without loading the full content. Preferred over write_file for editing large files. Returns error if old_text not found. Supports dry_run preview.

Get an overview of functions, classes and key definitions in a source file. Returns symbol names with line numbers. Use this to understand a large file before reading or editing specific sections.