diff --git a/src/promptforge/registry/remote.py b/src/promptforge/registry/remote.py
index 0d1daf7..c9b6ee2 100644
--- a/src/promptforge/registry/remote.py
+++ b/src/promptforge/registry/remote.py
@@ -1,53 +1,149 @@
-from typing import List, Optional
+"""Remote registry via HTTP."""
 
-from .local import LocalRegistry
-from .models import RegistryEntry, SearchResult
+from typing import TYPE_CHECKING, Any, Dict, List, Optional
+
+import requests
+
+from .models import RegistryEntry, RegistrySearchResult
 from ..core.exceptions import RegistryError
 
+if TYPE_CHECKING:
+    from .local import LocalRegistry
+
 
 class RemoteRegistry:
-    def __init__(self, base_url: str = "https://registry.promptforge.io"):
+    """Remote prompt registry accessed via HTTP API."""
+
+    def __init__(
+        self,
+        base_url: str = "https://registry.promptforge.io",
+        api_key: Optional[str] = None,
+    ):
+        """Initialize remote registry.
+
+        Args:
+            base_url: Base URL of the registry API.
+            api_key: API key for authentication.
+        """
         self.base_url = base_url.rstrip('/')
+        self.api_key = api_key
+        self._session = requests.Session()
+        if api_key:
+            self._session.headers.update({"Authorization": f"Bearer {api_key}"})
+
+    def _request(
+        self,
+        method: str,
+        endpoint: str,
+        data: Optional[Dict] = None,
+    ) -> Any:
+        """Make HTTP request to registry.
+
+        Args:
+            method: HTTP method.
+            endpoint: API endpoint.
+            data: Request data.
+
+        Returns:
+            Response JSON.
+
+        Raises:
+            RegistryError: If request fails.
+        """
+        url = f"{self.base_url}/api/v1{endpoint}"
+        try:
+            response = self._session.request(method, url, json=data)
+            response.raise_for_status()
+            return response.json()
+        except requests.HTTPError as e:
+            raise RegistryError(f"Registry API error: {e.response.text}")
+        except requests.RequestException as e:
+            raise RegistryError(f"Registry connection error: {e}")
+
+    def search(self, query: str, limit: int = 20) -> List[RegistrySearchResult]:
+        """Search remote registry.
+
+        Args:
+            query: Search query.
+            limit: Maximum results.
+
+        Returns:
+            List of matching entries.
+        """
+        data = self._request("GET", f"/search?q={query}&limit={limit}")
+        results = []
+        for item in data.get("results", []):
+            entry = RegistryEntry(**item)
+            results.append(RegistrySearchResult(
+                entry=entry,
+                relevance_score=item.get("score", 0),
+            ))
+        return results
+
+    def get(self, entry_id: str) -> Optional[RegistryEntry]:
+        """Get entry by ID.
+
+        Args:
+            entry_id: Entry ID.
+
+        Returns:
+            Registry entry or None.
+        """
+        try:
+            data = self._request("GET", f"/entries/{entry_id}")
+            return RegistryEntry(**data)
+        except RegistryError:
+            return None
+
+    def pull(self, entry_id: str, local_registry: "LocalRegistry") -> bool:
+        """Pull entry from remote to local registry.
+
+        Args:
+            entry_id: Entry ID to pull.
+            local_registry: Local registry to save to.
+
+        Returns:
+            True if successful.
+        """
+        entry = self.get(entry_id)
+        if entry is None:
+            return False
+        entry.is_local = True
+        local_registry.add(entry)
+        return True
 
     def publish(self, entry: RegistryEntry) -> RegistryEntry:
-        try:
-            import requests
-            response = requests.post(
-                f"{self.base_url}/api/entries",
-                json=entry.model_dump(),
-                timeout=30
-            )
-            response.raise_for_status()
-            return RegistryEntry(**response.json())
-        except Exception as e:
-            raise RegistryError(f"Failed to publish to remote registry: {e}")
+        """Publish entry to remote registry.
 
-    def pull(self, entry_id: str, local: LocalRegistry) -> bool:
+        Args:
+            entry: Entry to publish.
+
+        Returns:
+            Published entry with server-assigned ID.
+        """
+        data = self._request("POST", "/entries", entry.model_dump())
+        return RegistryEntry(**data)
+
+    def list_popular(self, limit: int = 10) -> List[RegistryEntry]:
+        """List popular entries.
+
+        Args:
+            limit: Maximum results.
+
+        Returns:
+            List of popular entries.
+        """
+        data = self._request("GET", f"/popular?limit={limit}")
+        return [RegistryEntry(**item) for item in data.get("entries", [])]
+
+    def validate_connection(self) -> bool:
+        """Validate connection to remote registry.
+
+        Returns:
+            True if connection successful.
+        """
         try:
-            import requests
-            response = requests.get(
-                f"{self.base_url}/api/entries/{entry_id}",
-                timeout=30
-            )
-            if response.status_code == 404:
-                return False
-            response.raise_for_status()
-            entry = RegistryEntry(**response.json())
-            local.add(entry)
+            self._request("GET", "/health")
             return True
-        except Exception as e:
-            raise RegistryError(f"Failed to pull from remote registry: {e}")
-
-    def search(self, query: str) -> List[SearchResult]:
-        try:
-            import requests
-            response = requests.get(
-                f"{self.base_url}/api/search",
-                params={"q": query},
-                timeout=30
-            )
-            response.raise_for_status()
-            data = response.json()
-            return [SearchResult(RegistryEntry(**e), 1.0) for e in data.get("results", [])]
-        except Exception:
-            return []
\ No newline at end of file
+        except RegistryError:
+            return False