diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29bb2d..c80e975be87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1 @@
+- Fixed issue where MCP server didn't detect if iOS app uses Crashlytics in projects that use `project.pbxproj` (#9515)
diff --git a/src/mcp/util/crashlytics/availability.spec.ts b/src/mcp/util/crashlytics/availability.spec.ts
index 3f1cd5c277a..3c96a534705 100644
--- a/src/mcp/util/crashlytics/availability.spec.ts
+++ b/src/mcp/util/crashlytics/availability.spec.ts
@@ -236,6 +236,23 @@ describe("isCrashlyticsAvailable", () => {
     expect(result).to.be.false;
   });
 
+  it("should return true for an iOS project with Crashlytics in project.pbxproj", async () => {
+    mockfs({
+      "/test-dir": {
+        ios: {
+          "Project.xcodeproj": {
+            "project.pbxproj":
+              "/* Begin PBXBuildFile section */  /* FirebaseCore in Frameworks */ = {isa = PBXBuildFile; /* FirebaseCore */; }; /* FirebaseCrashlytics in Frameworks */ = {isa = PBXBuildFile; /* FirebaseCrashlytics */; }; /* End PBXBuildFile section */",
+          },
+        },
+      },
+    });
+
+    const result = await isCrashlyticsAvailable(mockContext("/test-dir"));
+
+    expect(result).to.be.true;
+  });
+
   it("should return true for a Flutter project with Crashlytics in pubspec.yaml", async () => {
     mockfs({
       "/test-dir": {
diff --git a/src/mcp/util/crashlytics/availability.ts b/src/mcp/util/crashlytics/availability.ts
index 8a68741b23a..780339c7907 100644
--- a/src/mcp/util/crashlytics/availability.ts
+++ b/src/mcp/util/crashlytics/availability.ts
@@ -80,6 +80,13 @@ async function iosAppUsesCrashlytics(appPath: string): Promise<boolean> {
       return true;
     }
   }
+  const xcodeProjectFiles = await detectFiles(appPath, "project.pbxproj");
+  for (const file of xcodeProjectFiles) {
+    const content = await fs.readFile(path.join(appPath, file), "utf8");
+    if (content.includes("Crashlytics")) {
+      return true;
+    }
+  }
   return false;
 }