diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayAppend.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayAppend.java
index 109d847dc..9719609c8 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayAppend.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayAppend.java
@@ -47,6 +47,9 @@ public class ArrayAppend {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("append")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayFlatten.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayFlatten.java
index 0ced0bf9c..0c1fa01c3 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayFlatten.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayFlatten.java
@@ -45,6 +45,9 @@ public class ArrayFlatten {
   static final IFunction SIGNATURE = IFunction.builder()
       .name("flatten")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("input")
           .type(IItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayGet.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayGet.java
index 2e66a0aff..75239139d 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayGet.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayGet.java
@@ -48,6 +48,9 @@ public class ArrayGet {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("get")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayHead.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayHead.java
index af5a4ba9a..afc12993c 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayHead.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayHead.java
@@ -47,6 +47,9 @@ public class ArrayHead {
   static final IFunction SIGNATURE = IFunction.builder()
       .name("head")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayInsertBefore.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayInsertBefore.java
index 36227f8f2..0893111e5 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayInsertBefore.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayInsertBefore.java
@@ -48,6 +48,9 @@ public class ArrayInsertBefore {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("insert-before")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayJoin.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayJoin.java
index ffe8ced15..a64a4cb0a 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayJoin.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayJoin.java
@@ -48,6 +48,9 @@ public class ArrayJoin {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("join")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayPut.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayPut.java
index c10e1dacf..d387f9142 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayPut.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayPut.java
@@ -49,6 +49,9 @@ public class ArrayPut {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("put")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayRemove.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayRemove.java
index 6cb62fcce..2565a9668 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayRemove.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayRemove.java
@@ -52,6 +52,9 @@ public class ArrayRemove {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("remove")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayReverse.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayReverse.java
index b83e4a6a0..be29f2900 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayReverse.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayReverse.java
@@ -48,6 +48,9 @@ public class ArrayReverse {
   public static final IFunction SIGNATURE = IFunction.builder()
       .name("reverse")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySize.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySize.java
index cad553484..26370a45c 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySize.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySize.java
@@ -46,6 +46,9 @@ public class ArraySize {
   static final IFunction SIGNATURE = IFunction.builder()
       .name("size")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySubarray.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySubarray.java
index e8b3326e3..73289332b 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySubarray.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArraySubarray.java
@@ -49,6 +49,9 @@ public class ArraySubarray {
   public static final IFunction SIGNATURE_TWO_ARG = IFunction.builder()
       .name("subarray")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
@@ -67,6 +70,9 @@ public class ArraySubarray {
   public static final IFunction SIGNATURE_THREE_ARG = IFunction.builder()
       .name("subarray")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayTail.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayTail.java
index 6f5d1fe53..bc8be37f6 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayTail.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/ArrayTail.java
@@ -46,6 +46,9 @@ public class ArrayTail {
   static final IFunction SIGNATURE = IFunction.builder()
       .name("tail")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS_ARRAY)
+      .deterministic()
+      .contextIndependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("array")
           .type(IArrayItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/CastFunction.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/CastFunction.java
index 6af3c8230..7a08f52fb 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/CastFunction.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/CastFunction.java
@@ -75,6 +75,9 @@ static <ITEM extends IAnyAtomicItem> IFunction signature(
     return IFunction.builder()
         .name(name)
         .namespace(namespace)
+        .deterministic()
+        .contextIndependent()
+        .focusIndependent()
         .argument(IArgument.builder()
             .name("arg1")
             .type(IAnyAtomicItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStartsWith.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStartsWith.java
index b07098495..43faba83d 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStartsWith.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStartsWith.java
@@ -47,6 +47,9 @@ public final class FnStartsWith {
   static final IFunction SIGNATURE = IFunction.builder()
       .name("starts-with")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS)
+      .deterministic()
+      .contextDependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("arg1").type(IStringItem.class)
           .zeroOrOne()
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStaticBaseUri.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStaticBaseUri.java
index 1fc6a1b73..9e5565fdf 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStaticBaseUri.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/FnStaticBaseUri.java
@@ -46,6 +46,9 @@ public final class FnStaticBaseUri {
   static final IFunction SIGNATURE = IFunction.builder()
       .name("static-base-uri")
       .namespace(MetapathConstants.NS_METAPATH_FUNCTIONS)
+      .deterministic()
+      .contextDependent()
+      .focusIndependent()
       .argument(IArgument.builder()
           .name("arg1")
           .type(IStringItem.class)
diff --git a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/NumericFunction.java b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/NumericFunction.java
index ddbb03df6..076bb9064 100644
--- a/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/NumericFunction.java
+++ b/core/src/main/java/gov/nist/secauto/metaschema/core/metapath/function/library/NumericFunction.java
@@ -63,6 +63,9 @@ static IFunction signature(@NonNull String namespace, @NonNull String name, @Non
     return IFunction.builder()
         .name(name)
         .namespace(namespace)
+        .deterministic()
+        .contextIndependent()
+        .focusIndependent()
         .argument(IArgument.builder()
             .name("arg1")
             .type(INumericItem.class)