diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptor.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptor.java
index 185b43918..65cc39c92 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptor.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptor.java
@@ -89,6 +89,9 @@ public class EntityDescriptor extends AbstractDescriptor implements org.opensaml
     @EqualsAndHashCode.Exclude
     private Long versionModifiedTimestamp;
 
+    @Setter
+    private EntityDescriptorProtocol protocol = EntityDescriptorProtocol.SAML;
+
     public EntityDescriptor() {
         super();
         this.resourceId = UUID.randomUUID().toString();
@@ -176,6 +179,10 @@ public org.opensaml.saml.saml2.metadata.Organization getOrganization() {
         return organization;
     }
 
+    public EntityDescriptorProtocol getProtocol() {
+        return protocol == null ? EntityDescriptorProtocol.SAML : protocol;
+    }
+
     @Override
     public PDPDescriptor getPDPDescriptor(String s) {
         return pdpDescriptor;
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptorProtocol.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptorProtocol.java
new file mode 100644
index 000000000..e0e9245f3
--- /dev/null
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityDescriptorProtocol.java
@@ -0,0 +1,5 @@
+package edu.internet2.tier.shibboleth.admin.ui.domain;
+
+public enum EntityDescriptorProtocol {
+    SAML, OIDC
+}
\ No newline at end of file
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/frontend/EntityDescriptorRepresentation.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/frontend/EntityDescriptorRepresentation.java
index 61d24652e..9d2c0d631 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/frontend/EntityDescriptorRepresentation.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/frontend/EntityDescriptorRepresentation.java
@@ -4,6 +4,8 @@
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptor;
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptorProtocol;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -67,6 +69,10 @@ public class EntityDescriptorRepresentation implements Serializable {
 
     private int version;
 
+    @Getter
+    @Setter
+    private EntityDescriptorProtocol protocol;
+
     public EntityDescriptorRepresentation() {
     }
 
@@ -247,4 +253,4 @@ public void setServiceProviderSsoDescriptor(ServiceProviderSsoDescriptorRepresen
     public void setVersion(int version) {
         this.version = version;
     }
-}
+}
\ No newline at end of file
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/repository/EntityDescriptorProjection.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/repository/EntityDescriptorProjection.java
index 57cf02ab9..c0640edc3 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/repository/EntityDescriptorProjection.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/repository/EntityDescriptorProjection.java
@@ -1,5 +1,7 @@
 package edu.internet2.tier.shibboleth.admin.ui.repository;
 
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptorProtocol;
+
 import java.time.LocalDateTime;
 
 public interface EntityDescriptorProjection {
@@ -16,4 +18,5 @@ default String getEntityId() {
     LocalDateTime getCreatedDate();
     boolean getServiceEnabled();
     String getIdOfOwner();
+    EntityDescriptorProtocol getProtocol();
 }
\ No newline at end of file
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/JPAEntityDescriptorServiceImpl.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/JPAEntityDescriptorServiceImpl.java
index bd14193e0..a03ecb05e 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/JPAEntityDescriptorServiceImpl.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/service/JPAEntityDescriptorServiceImpl.java
@@ -3,8 +3,8 @@
 import edu.internet2.tier.shibboleth.admin.ui.domain.Attribute;
 import edu.internet2.tier.shibboleth.admin.ui.domain.EntityAttributes;
 import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptor;
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityDescriptorProtocol;
 import edu.internet2.tier.shibboleth.admin.ui.domain.IRelyingPartyOverrideProperty;
-import edu.internet2.tier.shibboleth.admin.ui.domain.KeyDescriptor;
 import edu.internet2.tier.shibboleth.admin.ui.domain.UIInfo;
 import edu.internet2.tier.shibboleth.admin.ui.domain.X509Data;
 import edu.internet2.tier.shibboleth.admin.ui.domain.XSBoolean;
@@ -48,6 +48,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.opensaml.core.xml.XMLObject;
+import org.opensaml.saml.saml2.metadata.KeyDescriptor;
 import org.opensaml.xmlsec.signature.KeyInfo;
 import org.opensaml.xmlsec.signature.KeyName;
 import org.opensaml.xmlsec.signature.KeyValue;
@@ -117,10 +118,28 @@ public EntityDescriptorRepresentation createNew(EntityDescriptor ed) throws Forb
     @Override
     public EntityDescriptorRepresentation createNewEntityDescriptorFromXMLOrigin(EntityDescriptor ed) {
         ed.setIdOfOwner(userService.getCurrentUserGroup().getOwnerId());
+        ed.setProtocol(determineEntityDescriptorProtocol(ed));
         EntityDescriptor savedEntity = entityDescriptorRepository.save(ed);
         return createRepresentationFromDescriptor(savedEntity);
     }
 
+    // Change to check for OAuthRPExtensions in the extensions?
+    private EntityDescriptorProtocol determineEntityDescriptorProtocol(EntityDescriptor ed) {
+        boolean oidcType = false;
+        if (ed.getSPSSODescriptor("") != null && ed.getSPSSODescriptor("").getKeyDescriptors().size() > 0) {
+            for (KeyDescriptor keyDescriptor : ed.getSPSSODescriptor("").getKeyDescriptors()) {
+                KeyInfo keyInfo = keyDescriptor.getKeyInfo();
+                KeyDescriptorRepresentation.ElementType keyInfoType = determineKeyInfoType(keyInfo);
+                if (keyInfoType == KeyDescriptorRepresentation.ElementType.clientSecret || keyInfoType == KeyDescriptorRepresentation.ElementType.clientSecretKeyReference ||
+                    keyInfoType == KeyDescriptorRepresentation.ElementType.jwksData || keyInfoType == KeyDescriptorRepresentation.ElementType.jwksUri) {
+                    oidcType = true;
+                    break;
+                }
+            }
+        }
+        return oidcType ? EntityDescriptorProtocol.OIDC : EntityDescriptorProtocol.SAML;
+    }
+
     @Override
     public boolean entityExists(String entityID) {
         return entityDescriptorRepository.findByEntityID(entityID) != null ;
@@ -174,6 +193,7 @@ public EntityDescriptorRepresentation createRepresentationFromDescriptor(org.ope
         representation.setCreatedBy(ed.getCreatedBy());
         representation.setCurrent(ed.isCurrent());
         representation.setIdOfOwner(ed.getIdOfOwner());
+        representation.setProtocol(ed.getProtocol());
 
         if (ed.getSPSSODescriptor("") != null && ed.getSPSSODescriptor("").getSupportedProtocols().size() > 0) {
             ServiceProviderSsoDescriptorRepresentation serviceProviderSsoDescriptorRepresentation = representation.getServiceProviderSsoDescriptor(true);