diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClient.java b/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClient.java
index 637ac32..26a9774 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClient.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClient.java
@@ -13,11 +13,17 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.contexts.Cont
  */
 public interface ResourceRegistryContextClient {
 
+	public List<Context> all() throws ResourceRegistryException;
+	
 	public Context create(Context context) throws ContextAlreadyPresentException, ResourceRegistryException;
 
 	public String create(String context) throws ContextAlreadyPresentException, ResourceRegistryException;
 
 	public Context read(Context context) throws ContextNotFoundException, ResourceRegistryException;
+	
+	public boolean exist(UUID uuid) throws ResourceRegistryException;
+
+	public boolean exist(String uuid) throws ResourceRegistryException;
 
 	public Context read(UUID uuid) throws ContextNotFoundException, ResourceRegistryException;
 
@@ -35,6 +41,4 @@ public interface ResourceRegistryContextClient {
 
 	public boolean delete(String uuid) throws ContextNotFoundException, ResourceRegistryException;
 
-	public List<Context> all() throws ResourceRegistryException;
-
 }
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClientImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClientImpl.java
index 1abf469..d1c7dd4 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClientImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/contexts/ResourceRegistryContextClientImpl.java
@@ -13,6 +13,7 @@ import org.gcube.informationsystem.model.impl.properties.HeaderImpl;
 import org.gcube.informationsystem.model.reference.properties.Header;
 import org.gcube.informationsystem.resourceregistry.api.contexts.ContextCache;
 import org.gcube.informationsystem.resourceregistry.api.contexts.ContextCacheRenewal;
+import org.gcube.informationsystem.resourceregistry.api.exceptions.NotFoundException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.contexts.ContextAlreadyPresentException;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.contexts.ContextNotFoundException;
@@ -57,6 +58,35 @@ public class ResourceRegistryContextClientImpl implements ResourceRegistryContex
 		}
 	}
 	
+	protected List<Context> getAllContextFromServer() throws ResourceRegistryException {
+		try {
+			logger.trace("Going to read {} with UUID {}", Context.NAME);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			gxHTTPStringRequest.from(ResourceRegistryContextClient.class.getSimpleName());
+			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
+			gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
+			
+			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
+			String all = HTTPUtility.getResponse(String.class, httpURLConnection);
+			
+			logger.debug("Got contexts are {}", Context.NAME, all);
+			return ElementMapper.unmarshalList(Context.class, all);
+			
+		} catch(ResourceRegistryException e) {
+			// logger.trace("Error Creating {}", facet, e);
+			throw e;
+		} catch(Exception e) {
+			// logger.trace("Error Creating {}", facet, e);
+			throw new RuntimeException(e);
+		}
+	}
+	
+	@Override
+	public List<Context> all() throws ResourceRegistryException {
+		ContextCache contextCache = ContextCache.getInstance();
+		return contextCache.getContexts();
+	}
+	
 	protected String internalCreate(Context context) throws ContextAlreadyPresentException, ResourceRegistryException {
 		try {
 			Header header = context.getHeader();
@@ -122,6 +152,45 @@ public class ResourceRegistryContextClientImpl implements ResourceRegistryContex
 		}
 	}
 	
+	public boolean existFromServer(String uuid) throws ContextNotFoundException, ResourceRegistryException {
+		try {
+			logger.trace("Going to read {} with UUID {}", Context.NAME, uuid);
+			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
+			gxHTTPStringRequest.from(ResourceRegistryContextClient.class.getSimpleName());
+			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
+			gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
+			gxHTTPStringRequest.path(uuid);
+			
+			HttpURLConnection httpURLConnection = gxHTTPStringRequest.head();
+			HTTPUtility.getResponse(String.class, httpURLConnection);
+			
+			return true;
+		} catch (NotFoundException e) {
+			return false;
+		} catch(ResourceRegistryException e) {
+			// logger.trace("Error Creating {}", facet, e);
+			throw e;
+		} catch(Exception e) {
+			// logger.trace("Error Creating {}", facet, e);
+			throw new RuntimeException(e);
+		}
+	}
+	
+	@Override
+	public boolean exist(String uuid) throws ResourceRegistryException {
+		return exist(UUID.fromString(uuid));
+	}
+	
+	@Override
+	public boolean exist(UUID uuid) throws ResourceRegistryException {
+		try {
+			read(uuid);
+			return true;
+		}catch (ContextNotFoundException e) {
+			return false;
+		}
+	}
+
 	@Override
 	public Context read(Context context) throws ContextNotFoundException, ResourceRegistryException {
 		return read(context.getHeader().getUUID());
@@ -318,33 +387,4 @@ public class ResourceRegistryContextClientImpl implements ResourceRegistryContex
 		}
 	}
 	
-	protected List<Context> getAllContextFromServer() throws ResourceRegistryException {
-		try {
-			logger.trace("Going to read {} with UUID {}", Context.NAME);
-			GXHTTPStringRequest gxHTTPStringRequest = GXHTTPStringRequest.newRequest(address);
-			gxHTTPStringRequest.from(ResourceRegistryContextClient.class.getSimpleName());
-			gxHTTPStringRequest.header("Accept", GXConnection.APPLICATION_JSON_CHARSET_UTF_8);
-			gxHTTPStringRequest.path(ContextPath.CONTEXTS_PATH_PART);
-			
-			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
-			String all = HTTPUtility.getResponse(String.class, httpURLConnection);
-			
-			logger.debug("Got contexts are {}", Context.NAME, all);
-			return ElementMapper.unmarshalList(Context.class, all);
-			
-		} catch(ResourceRegistryException e) {
-			// logger.trace("Error Creating {}", facet, e);
-			throw e;
-		} catch(Exception e) {
-			// logger.trace("Error Creating {}", facet, e);
-			throw new RuntimeException(e);
-		}
-	}
-	
-	@Override
-	public List<Context> all() throws ResourceRegistryException {
-		ContextCache contextCache = ContextCache.getInstance();
-		return contextCache.getContexts();
-	}
-	
 }