diff --git a/packages/core/primitives/devtools/index.ts b/packages/core/primitives/devtools/index.ts
index c467657bd57..6dc2edbdaed 100644
--- a/packages/core/primitives/devtools/index.ts
+++ b/packages/core/primitives/devtools/index.ts
@@ -8,3 +8,4 @@
 
 export {ProfilerEvent, type Profiler} from './src/profiler_types';
 export {Framework} from './src/framework';
+export type {DevtoolsToolDiscoveryEvent, ToolDefinition, ToolGroup} from './src/tool_definitions';
diff --git a/packages/core/src/debug/ai/tool_definitions.ts b/packages/core/primitives/devtools/src/tool_definitions.ts
similarity index 100%
rename from packages/core/src/debug/ai/tool_definitions.ts
rename to packages/core/primitives/devtools/src/tool_definitions.ts
diff --git a/packages/core/src/debug/ai/di_graph.ts b/packages/core/src/debug/ai/di_graph.ts
index f3d5a1ba3b1..853cd2c360b 100644
--- a/packages/core/src/debug/ai/di_graph.ts
+++ b/packages/core/src/debug/ai/di_graph.ts
@@ -13,7 +13,7 @@ import {INJECTOR, LView, T_HOST, TVIEW, TViewType} from '../../render3/interface
 import {DiGraph, SerializedInjector, serializeInjector} from './serialized_di_graph';
 import {ChainedInjector} from '../../render3/chained_injector';
 import {Injector} from '../../di/injector';
-import {ToolDefinition} from './tool_definitions';
+import {ToolDefinition} from '../../../primitives/devtools';
 import {walkLViewDirectives} from './traversal';
 import {getLViewParent} from '../../render3/util/view_utils';
 import {R3Injector} from '../../di/r3_injector';
diff --git a/packages/core/src/debug/ai/registration.ts b/packages/core/src/debug/ai/registration.ts
index 77b7b1cf8db..4e501306a2f 100644
--- a/packages/core/src/debug/ai/registration.ts
+++ b/packages/core/src/debug/ai/registration.ts
@@ -8,7 +8,7 @@
 
 import {diGraphTool} from './di_graph';
 import {signalGraphTool} from './signal_graph';
-import {DevtoolsToolDiscoveryEvent} from './tool_definitions';
+import {DevtoolsToolDiscoveryEvent} from '../../../primitives/devtools';
 
 /**
  * Registers Angular AI tools with Chrome DevTools.
diff --git a/packages/core/src/debug/ai/signal_graph.ts b/packages/core/src/debug/ai/signal_graph.ts
index a033549c328..f2e395be35d 100644
--- a/packages/core/src/debug/ai/signal_graph.ts
+++ b/packages/core/src/debug/ai/signal_graph.ts
@@ -9,7 +9,7 @@
 import {NullInjector} from '../../di/null_injector';
 import {getInjector} from '../../render3/util/discovery_utils';
 import {DebugSignalGraph, getSignalGraph} from '../../render3/util/signal_debug';
-import {ToolDefinition} from './tool_definitions';
+import {ToolDefinition} from '../../../primitives/devtools';
 
 // Omit `debuggableFn` and `id` from returned signal graph to AI agent.
 type AiSignalGraph = Omit<DebugSignalGraph, 'nodes'> & {
diff --git a/packages/core/test/BUILD.bazel b/packages/core/test/BUILD.bazel
index b1e52a0f0f5..62347820806 100644
--- a/packages/core/test/BUILD.bazel
+++ b/packages/core/test/BUILD.bazel
@@ -37,6 +37,7 @@ ts_project(
         "//packages/common/locales",
         "//packages/compiler",
         "//packages/core",
+        "//packages/core/primitives/devtools",
         "//packages/core/rxjs-interop",
         "//packages/core/src/di/interface",
         "//packages/core/src/interface",
diff --git a/packages/core/test/debug/ai/registration_spec.ts b/packages/core/test/debug/ai/registration_spec.ts
index fa9483f0c81..b893a1011db 100644
--- a/packages/core/test/debug/ai/registration_spec.ts
+++ b/packages/core/test/debug/ai/registration_spec.ts
@@ -8,7 +8,7 @@
 
 import {signalGraphTool} from '../../../src/debug/ai/signal_graph';
 import {registerAiTools} from '../../../src/debug/ai';
-import {DevtoolsToolDiscoveryEvent} from '../../../src/debug/ai/tool_definitions';
+import {DevtoolsToolDiscoveryEvent} from '../../../primitives/devtools';
 import {destroyPlatform} from '../../../src/core';
 
 describe('registration', () => {