diff --git a/extensions/exa/src/exa-web-search-provider.runtime.ts b/extensions/exa/src/exa-web-search-provider.runtime.ts
index f07bcdcbcae0..b177110a602a 100644
--- a/extensions/exa/src/exa-web-search-provider.runtime.ts
+++ b/extensions/exa/src/exa-web-search-provider.runtime.ts
@@ -453,6 +453,8 @@ function buildExaCacheKey(params: {
   dateBefore?: string;
   contents?: ExaContentsArgs;
 }): string {
+  const contents = params.contents ?? { highlights: true };
+
   return buildSearchCacheKey([
     "exa",
     params.endpoint,
@@ -462,9 +464,7 @@ function buildExaCacheKey(params: {
     params.freshness,
     params.dateAfter,
     params.dateBefore,
-    params.contents?.highlights ? JSON.stringify(params.contents.highlights) : undefined,
-    params.contents?.text ? JSON.stringify(params.contents.text) : undefined,
-    params.contents?.summary ? JSON.stringify(params.contents.summary) : undefined,
+    JSON.stringify(contents),
   ]);
 }
 
diff --git a/extensions/exa/src/exa-web-search-provider.test.ts b/extensions/exa/src/exa-web-search-provider.test.ts
index 01315c459b15..5503d8d04f9c 100644
--- a/extensions/exa/src/exa-web-search-provider.test.ts
+++ b/extensions/exa/src/exa-web-search-provider.test.ts
@@ -153,6 +153,28 @@ describe("exa web search provider", () => {
     );
   });
 
+  it("partitions Exa cache keys by effective content options", () => {
+    const base = {
+      endpoint: "https://api.exa.ai/search",
+      type: "auto" as const,
+      query: "openclaw",
+      count: 5,
+    };
+    const defaultKey = testing.buildExaCacheKey(base);
+
+    expect(
+      testing.buildExaCacheKey({ ...base, contents: { highlights: true } }),
+    ).toBe(defaultKey);
+
+    const disabledKeys = [
+      testing.buildExaCacheKey({ ...base, contents: { highlights: false } }),
+      testing.buildExaCacheKey({ ...base, contents: { text: false } }),
+      testing.buildExaCacheKey({ ...base, contents: { summary: false } }),
+    ];
+    expect(disabledKeys).not.toContain(defaultKey);
+    expect(new Set(disabledKeys).size).toBe(disabledKeys.length);
+  });
+
   it("normalizes Exa result descriptions from highlights before text", () => {
     expect(
       testing.resolveExaDescription({