diff --git a/.changeset/scoped-eval-target.md b/.changeset/scoped-eval-target.md
new file mode 100644
index 000000000..51546be0e
--- /dev/null
+++ b/.changeset/scoped-eval-target.md
@@ -0,0 +1,5 @@
+---
+"eve": patch
+---
+
+Make `eve eval` match scoped package targets against the same unscoped agent id used at runtime.
diff --git a/packages/eve/src/evals/cli/eval.ts b/packages/eve/src/evals/cli/eval.ts
index e84a13045..5d1e14249 100644
--- a/packages/eve/src/evals/cli/eval.ts
+++ b/packages/eve/src/evals/cli/eval.ts
@@ -230,10 +230,15 @@ async function readExpectedAgentName(appRoot: string): Promise<string> {
     const packageJson = JSON.parse(await readFile(join(appRoot, "package.json"), "utf8")) as {
       readonly name?: unknown;
     };
-    return typeof packageJson.name === "string" && packageJson.name.length > 0
-      ? packageJson.name
-      : basename(appRoot);
-  } catch {
-    return basename(appRoot);
-  }
+    if (typeof packageJson.name === "string" && packageJson.name.length > 0) {
+      return unscopedPackageName(packageJson.name);
+    }
+  } catch {}
+
+  return basename(appRoot);
+}
+
+function unscopedPackageName(packageName: string): string {
+  const slashIndex = packageName.lastIndexOf("/");
+  return slashIndex === -1 ? packageName : packageName.slice(slashIndex + 1);
 }
diff --git a/packages/eve/test/scenarios/eval-command-environment.scenario.test.ts b/packages/eve/test/scenarios/eval-command-environment.scenario.test.ts
index d4db77e9f..459d46d97 100644
--- a/packages/eve/test/scenarios/eval-command-environment.scenario.test.ts
+++ b/packages/eve/test/scenarios/eval-command-environment.scenario.test.ts
@@ -86,6 +86,44 @@ const TEST_CONFIG = {
 };
 
 describe("eve eval environment loading", () => {
+  it("matches scoped package names against the runtime agent id", async () => {
+    const fixtureRoot = await createEnvironmentFixture();
+    const previousCwd = process.cwd();
+    const logger = {
+      error: vi.fn(),
+      log: vi.fn(),
+    };
+    const exit = vi.spyOn(process, "exit").mockImplementation(() => undefined as never);
+    const evaluation = makeEvaluation("demo-eval");
+
+    await writeFile(join(fixtureRoot, "package.json"), '{ "name": "@acme/agent" }\n');
+    process.chdir(fixtureRoot);
+    mockedEvalDependencies.discoverAndImportEvals.mockResolvedValue([evaluation]);
+    mockedEvalDependencies.discoverEvalConfig.mockResolvedValue(TEST_CONFIG);
+    mockedEvalDependencies.resolveEvalTargetHandle.mockResolvedValue({
+      attachSession: vi.fn(),
+      capabilities: { devRoutes: false },
+      dispatchSchedule: vi.fn(),
+      fetch: vi.fn(),
+      kind: "remote",
+      url: "https://example.com",
+    });
+    mockedEvalDependencies.executeEval.mockResolvedValue(makeEvalResult(evaluation.id));
+
+    try {
+      await runCli(["eval", "--url", "https://example.com"], logger);
+    } finally {
+      process.chdir(previousCwd);
+    }
+
+    expect(mockedEvalDependencies.resolveEvalTargetHandle).toHaveBeenCalledWith(
+      expect.objectContaining({
+        expectedAgentName: "agent",
+      }),
+    );
+    expect(exit).toHaveBeenCalledWith(0);
+  });
+
   it("loads local env files before resolving a remote target", async () => {
     const fixtureRoot = await createEnvironmentFixture();
     const resolvedFixtureRoot = await realpath(fixtureRoot);