diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java
index ad62e2a0e2aa4a..4007d6d55deec7 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java
@@ -705,10 +705,14 @@ public CcCompilationContext createCcCompilationContext(
       Object textualHdrsNoneable,
       Object modularPublicHdrsNoneable,
       Object modularPrivateHdrsNoneable,
+      Object purposeNoneable,
       StarlarkThread thread)
       throws EvalException {
     if (checkObjectsBound(
-        textualHdrsNoneable, modularPrivateHdrsNoneable, modularPublicHdrsNoneable)) {
+        textualHdrsNoneable,
+        modularPrivateHdrsNoneable,
+        modularPublicHdrsNoneable,
+        purposeNoneable)) {
       checkPrivateStarlarkificationAllowlist(thread);
     }
     ImmutableList<Artifact> textualHdrs = asClassImmutableList(textualHdrsNoneable);
@@ -745,6 +749,9 @@ public CcCompilationContext createCcCompilationContext(
     ccCompilationContext.addTextualHdrs(textualHdrs);
     ccCompilationContext.addModularPublicHdrs(modularPublicHdrs);
     ccCompilationContext.addModularPrivateHdrs(modularPrivateHdrs);
+    if (purposeNoneable != null && purposeNoneable != Starlark.UNBOUND) {
+      ccCompilationContext.setPurpose((String) purposeNoneable);
+    }
 
     return ccCompilationContext.build();
   }
diff --git a/src/main/java/com/google/devtools/build/lib/starlarkbuildapi/cpp/CcModuleApi.java b/src/main/java/com/google/devtools/build/lib/starlarkbuildapi/cpp/CcModuleApi.java
index ba15e155c25f24..1e8a7d7d73fcd1 100644
--- a/src/main/java/com/google/devtools/build/lib/starlarkbuildapi/cpp/CcModuleApi.java
+++ b/src/main/java/com/google/devtools/build/lib/starlarkbuildapi/cpp/CcModuleApi.java
@@ -856,6 +856,12 @@ CcInfoApi<FileT> mergeCcInfos(
             positional = false,
             named = true,
             defaultValue = "unbound"),
+        @Param(
+            name = "purpose",
+            documented = false,
+            positional = false,
+            named = true,
+            defaultValue = "unbound"),
       })
   CompilationContextT createCcCompilationContext(
       Object headers,
@@ -868,6 +874,7 @@ CompilationContextT createCcCompilationContext(
       Object textualHdrs,
       Object modularPublicHdrs,
       Object modularPrivateHdrs,
+      Object purpose,
       StarlarkThread thread)
       throws EvalException;
 
diff --git a/src/main/java/com/google/devtools/build/skydoc/fakebuildapi/cpp/FakeCcModule.java b/src/main/java/com/google/devtools/build/skydoc/fakebuildapi/cpp/FakeCcModule.java
index 6c35e2e1197014..0420c1f018e20f 100644
--- a/src/main/java/com/google/devtools/build/skydoc/fakebuildapi/cpp/FakeCcModule.java
+++ b/src/main/java/com/google/devtools/build/skydoc/fakebuildapi/cpp/FakeCcModule.java
@@ -223,6 +223,7 @@ public CcCompilationContextApi<FileApi> createCcCompilationContext(
       Object textualHdrs,
       Object modularPublicHdrs,
       Object modularPrivateHdrs,
+      Object purpose,
       StarlarkThread thread)
       throws EvalException {
     return null;
diff --git a/src/test/java/com/google/devtools/build/lib/rules/cpp/StarlarkCcCommonTest.java b/src/test/java/com/google/devtools/build/lib/rules/cpp/StarlarkCcCommonTest.java
index 3a5c49b9601b8f..640d6ddad771b7 100644
--- a/src/test/java/com/google/devtools/build/lib/rules/cpp/StarlarkCcCommonTest.java
+++ b/src/test/java/com/google/devtools/build/lib/rules/cpp/StarlarkCcCommonTest.java
@@ -6863,9 +6863,12 @@ public void testExpandedCompileApiBlocked() throws Exception {
   public void testExpandedCcCompilationContextApiBlocked() throws Exception {
     scratch.file(
         "b/BUILD",
-        "load('//my_rules:rule.bzl', 'method_rule', 'param_rule')",
-        "param_rule(",
-        "  name = 'p',",
+        "load('//my_rules:rule.bzl', 'method_rule', 'param_1_rule', 'param_2_rule')",
+        "param_1_rule(",
+        "  name = 'p1',",
+        ")",
+        "param_2_rule(",
+        "  name = 'p2',",
         ")",
         "method_rule(",
         "  name = 'm',",
@@ -6877,19 +6880,26 @@ public void testExpandedCcCompilationContextApiBlocked() throws Exception {
         "  comp_context = cc_common.create_compilation_context()",
         "  comp_context.transitive_compilation_prerequisites()",
         "  return [CcInfo(compilation_context = comp_context)]",
-        "def _p_impl(ctx):",
-        "  comp_context = cc_common.create_compilation_context()",
+        "def _p1_impl(ctx):",
         "  comp_context = cc_common.create_compilation_context(textual_hdrs = ['dummy.h'])",
         "  return [CcInfo(compilation_context = comp_context)]",
+        "def _p2_impl(ctx):",
+        "  comp_context = cc_common.create_compilation_context(purpose = 'testing')",
+        "  return [CcInfo(compilation_context = comp_context)]",
         "method_rule = rule(",
         "  implementation = _m_impl,",
         ")",
-        "param_rule = rule(",
-        "  implementation = _p_impl,",
+        "param_1_rule = rule(",
+        "  implementation = _p1_impl,",
+        ")",
+        "param_2_rule = rule(",
+        "  implementation = _p2_impl,",
         ")");
     AssertionError e = assertThrows(AssertionError.class, () -> getConfiguredTarget("//b:m"));
     assertThat(e).hasMessageThat().contains("Rule in 'my_rules' cannot use private API");
-    e = assertThrows(AssertionError.class, () -> getConfiguredTarget("//b:p"));
+    e = assertThrows(AssertionError.class, () -> getConfiguredTarget("//b:p1"));
+    assertThat(e).hasMessageThat().contains("Rule in 'my_rules' cannot use private API");
+    e = assertThrows(AssertionError.class, () -> getConfiguredTarget("//b:p2"));
     assertThat(e).hasMessageThat().contains("Rule in 'my_rules' cannot use private API");
   }