diff --git a/scripts/lib/plugin-sdk-facades.mjs b/scripts/lib/plugin-sdk-facades.mjs
index 1613d2a69c9..ec3fbb5df70 100644
--- a/scripts/lib/plugin-sdk-facades.mjs
+++ b/scripts/lib/plugin-sdk-facades.mjs
@@ -936,6 +936,13 @@ export const GENERATED_PLUGIN_SDK_FACADES = [
   {
     subpath: "slack-surface",
     source: pluginSource("slack", "api.js"),
+    functionExports: [
+      "listSlackAccountIds",
+      "listSlackDirectoryGroupsFromConfig",
+      "listSlackDirectoryPeersFromConfig",
+      "resolveDefaultSlackAccountId",
+      "resolveSlackRuntimeGroupPolicy",
+    ],
     exports: [
       "buildSlackThreadingToolContext",
       "createSlackWebClient",
@@ -1375,6 +1382,7 @@ export function buildPluginSdkFacadeModule(entry, params = {}) {
   const sourceExportKinds = params.repoRoot
     ? resolveFacadeSourceExportKinds(params.repoRoot, entry.source)
     : new Map();
+  const explicitFunctionExports = new Set(entry.functionExports ?? []);
   const exportNames = entry.exportAll
     ? Array.from(sourceExportKinds.keys()).toSorted((left, right) => left.localeCompare(right))
     : entry.runtimeApiPreExportsPath
@@ -1459,11 +1467,12 @@ export function buildPluginSdkFacadeModule(entry, params = {}) {
     );
     for (const exportName of valueExports) {
       const kind = sourceExportKinds.get(exportName);
+      const isExplicitFunctionExport = explicitFunctionExports.has(exportName);
       const sourcePath = entry.exportSources?.[exportName] ?? entry.source;
       const sourceIndex = sourceIndexByPath.get(sourcePath) ?? 0;
       const loaderSuffix = sourceIndex === 0 ? "" : String(sourceIndex + 1);
       const moduleTypeName = sourceIndex === 0 ? "FacadeModule" : `FacadeModule${sourceIndex + 1}`;
-      if (kind?.functionLike || kind?.callable) {
+      if (isExplicitFunctionExport || kind?.functionLike || kind?.callable) {
         lines.push(
           `export const ${exportName}: ${moduleTypeName}[${JSON.stringify(exportName)}] = ((...args) =>`,
         );
diff --git a/src/plugin-sdk/slack-surface.ts b/src/plugin-sdk/slack-surface.ts
index ee095f8a267..0f720c103bc 100644
--- a/src/plugin-sdk/slack-surface.ts
+++ b/src/plugin-sdk/slack-surface.ts
@@ -2,10 +2,7 @@
 import type { PluginSdkFacadeTypeMap } from "../generated/plugin-sdk-facade-type-map.generated.js";
 type FacadeEntry = PluginSdkFacadeTypeMap["slack-surface"];
 type FacadeModule = FacadeEntry["module"];
-import {
-  createLazyFacadeObjectValue,
-  loadBundledPluginPublicSurfaceModuleSync,
-} from "./facade-runtime.js";
+import { loadBundledPluginPublicSurfaceModuleSync } from "./facade-runtime.js";
 
 function loadFacadeModule(): FacadeModule {
   return loadBundledPluginPublicSurfaceModuleSync<FacadeModule>({
@@ -45,17 +42,18 @@ export const listEnabledSlackAccounts: FacadeModule["listEnabledSlackAccounts"]
   loadFacadeModule()["listEnabledSlackAccounts"](
     ...args,
   )) as FacadeModule["listEnabledSlackAccounts"];
-export const listSlackAccountIds: FacadeModule["listSlackAccountIds"] = createLazyFacadeObjectValue(
-  () => loadFacadeModule()["listSlackAccountIds"] as object,
-) as FacadeModule["listSlackAccountIds"];
+export const listSlackAccountIds: FacadeModule["listSlackAccountIds"] = ((...args) =>
+  loadFacadeModule()["listSlackAccountIds"](...args)) as FacadeModule["listSlackAccountIds"];
 export const listSlackDirectoryGroupsFromConfig: FacadeModule["listSlackDirectoryGroupsFromConfig"] =
-  createLazyFacadeObjectValue(
-    () => loadFacadeModule()["listSlackDirectoryGroupsFromConfig"] as object,
-  ) as FacadeModule["listSlackDirectoryGroupsFromConfig"];
+  ((...args) =>
+    loadFacadeModule()["listSlackDirectoryGroupsFromConfig"](
+      ...args,
+    )) as FacadeModule["listSlackDirectoryGroupsFromConfig"];
 export const listSlackDirectoryPeersFromConfig: FacadeModule["listSlackDirectoryPeersFromConfig"] =
-  createLazyFacadeObjectValue(
-    () => loadFacadeModule()["listSlackDirectoryPeersFromConfig"] as object,
-  ) as FacadeModule["listSlackDirectoryPeersFromConfig"];
+  ((...args) =>
+    loadFacadeModule()["listSlackDirectoryPeersFromConfig"](
+      ...args,
+    )) as FacadeModule["listSlackDirectoryPeersFromConfig"];
 export const listSlackEmojis: FacadeModule["listSlackEmojis"] = ((...args) =>
   loadFacadeModule()["listSlackEmojis"](...args)) as FacadeModule["listSlackEmojis"];
 export const listSlackMessageActions: FacadeModule["listSlackMessageActions"] = ((...args) =>
@@ -79,9 +77,10 @@ export const recordSlackThreadParticipation: FacadeModule["recordSlackThreadPart
     ...args,
   )) as FacadeModule["recordSlackThreadParticipation"];
 export const resolveDefaultSlackAccountId: FacadeModule["resolveDefaultSlackAccountId"] =
-  createLazyFacadeObjectValue(
-    () => loadFacadeModule()["resolveDefaultSlackAccountId"] as object,
-  ) as FacadeModule["resolveDefaultSlackAccountId"];
+  ((...args) =>
+    loadFacadeModule()["resolveDefaultSlackAccountId"](
+      ...args,
+    )) as FacadeModule["resolveDefaultSlackAccountId"];
 export const resolveSlackAutoThreadId: FacadeModule["resolveSlackAutoThreadId"] = ((...args) =>
   loadFacadeModule()["resolveSlackAutoThreadId"](
     ...args,
@@ -93,9 +92,10 @@ export const resolveSlackGroupRequireMention: FacadeModule["resolveSlackGroupReq
     ...args,
   )) as FacadeModule["resolveSlackGroupRequireMention"];
 export const resolveSlackRuntimeGroupPolicy: FacadeModule["resolveSlackRuntimeGroupPolicy"] =
-  createLazyFacadeObjectValue(
-    () => loadFacadeModule()["resolveSlackRuntimeGroupPolicy"] as object,
-  ) as FacadeModule["resolveSlackRuntimeGroupPolicy"];
+  ((...args) =>
+    loadFacadeModule()["resolveSlackRuntimeGroupPolicy"](
+      ...args,
+    )) as FacadeModule["resolveSlackRuntimeGroupPolicy"];
 export const resolveSlackGroupToolPolicy: FacadeModule["resolveSlackGroupToolPolicy"] = ((
   ...args
 ) =>