diff --git a/src/config.py b/src/config.py
new file mode 100644
index 0000000..3e53203
--- /dev/null
+++ b/src/config.py
@@ -0,0 +1,60 @@
+"""Configuration management for the prompt manager."""
+
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+from .models import Config
+
+
+class ConfigManager:
+    """Manages user and system configuration."""
+
+    def __init__(self, config_path: str = None):
+        if config_path is None:
+            home = Path.home()
+            self.config_path = home / ".config" / "llm-prompt-manager" / "config.yaml"
+        else:
+            self.config_path = Path(config_path)
+
+    def ensure_config_dir(self) -> None:
+        """Ensure configuration directory exists."""
+        self.config_path.parent.mkdir(parents=True, exist_ok=True)
+
+    def load(self) -> Config:
+        """Load configuration from file."""
+        self.ensure_config_dir()
+        if self.config_path.exists():
+            with open(self.config_path) as f:
+                data = yaml.safe_load(f) or {}
+            return Config.from_dict(data)
+        return Config()
+
+    def save(self, config: Config) -> None:
+        """Save configuration to file."""
+        self.ensure_config_dir()
+        with open(self.config_path, "w") as f:
+            yaml.dump(config.to_dict(), f, default_flow_style=False)
+
+    def get(self, key: str) -> Any:
+        """Get a configuration value by key."""
+        config = self.load()
+        return getattr(config, key, None)
+
+    def set(self, key: str, value: Any) -> None:
+        """Set a configuration value."""
+        config = self.load()
+        setattr(config, key, value)
+        self.save(config)
+
+    def reset(self) -> None:
+        """Reset configuration to defaults."""
+        config = Config()
+        self.save(config)
+
+
+def get_config() -> Config:
+    """Get the current configuration."""
+    manager = ConfigManager()
+    return manager.load()