diff --git a/packages/core/src/config/plugin/provider.ts b/packages/core/src/config/plugin/provider.ts
index ec00ddf36c..9b25b6be4b 100644
--- a/packages/core/src/config/plugin/provider.ts
+++ b/packages/core/src/config/plugin/provider.ts
@@ -13,17 +13,15 @@ export const Plugin = define({
     const loaded = { entries: yield* config.entries() }
     yield* ctx.integration.transform((integrations) => {
       const files = loaded.entries.filter((entry): entry is Config.Document => entry.type === "document")
-      const configuredIntegrations = new Set(
-        files.flatMap((file) =>
-          Object.entries(file.info.providers ?? {}).flatMap(([id, provider]) =>
-            provider.env === undefined ? [] : [id],
-          ),
-        ),
-      )
       for (const file of files) {
         for (const [id, item] of Object.entries(file.info.providers ?? {})) {
           const integrationID = id
-          if (!configuredIntegrations.has(id) && !integrations.get(integrationID)) continue
+          if (!integrations.get(integrationID)) {
+            integrations.method.update({
+              integrationID,
+              method: { type: "key", label: "Manually enter API Key" },
+            })
+          }
           integrations.update(integrationID, (integration) => {
             integration.name = item.name ?? integration.name
           })
diff --git a/packages/core/test/config/provider.test.ts b/packages/core/test/config/provider.test.ts
index de10dbcd36..288c1a4e1e 100644
--- a/packages/core/test/config/provider.test.ts
+++ b/packages/core/test/config/provider.test.ts
@@ -49,6 +49,33 @@ function withEnv<A, E, R>(vars: Record<string, string | undefined>, effect: () =
 const decode = Schema.decodeUnknownSync(Config.Info)
 
 describe("ConfigProviderPlugin.Plugin", () => {
+  it.effect("adds key auth for custom providers without env credentials", () =>
+    Effect.gen(function* () {
+      const integrations = yield* Integration.Service
+      const entries = [
+        new Config.Document({
+          type: "document",
+          info: decode({
+            providers: {
+              litellm: {
+                package: "aisdk:@ai-sdk/openai-compatible",
+                models: { chat: {} },
+              },
+            },
+          }),
+        }),
+      ]
+
+      yield* addPlugin(entries)
+
+      expect(yield* integrations.get(Integration.ID.make("litellm"))).toMatchObject({
+        id: "litellm",
+        name: "litellm",
+        methods: [{ type: "key", label: "Manually enter API Key" }],
+      })
+    }),
+  )
+
   it.effect("defaults custom models to agent capabilities", () =>
     Effect.gen(function* () {
       const catalog = yield* Catalog.Service