diff --git a/python/packages/core/AGENTS.md b/python/packages/core/AGENTS.md
index 1f8d46b23af..84f8d047015 100644
--- a/python/packages/core/AGENTS.md
+++ b/python/packages/core/AGENTS.md
@@ -129,7 +129,7 @@ agent_framework/
 
 ### Tool Approval Harness (`_harness/_tool_approval.py`)
 
-- **`ToolApprovalMiddleware`** - Experimental opt-in agent middleware that coordinates session-backed approval
+- **`ToolApprovalMiddleware`** - Opt-in agent middleware that coordinates session-backed approval
   rules, heuristic `auto_approval_rules`, queued approval requests, collected approval responses, and
   streaming/non-streaming approval prompts. Heuristic callbacks receive the underlying `function_call` content.
 - **`ToolApprovalRule`** / **`ToolApprovalState`** - Serializable state models for standing approvals and queued
diff --git a/python/packages/core/agent_framework/_harness/_tool_approval.py b/python/packages/core/agent_framework/_harness/_tool_approval.py
index 289a3bccbcf..ce34ac271e0 100644
--- a/python/packages/core/agent_framework/_harness/_tool_approval.py
+++ b/python/packages/core/agent_framework/_harness/_tool_approval.py
@@ -9,7 +9,6 @@
 from collections.abc import AsyncIterable, Awaitable, Callable, Iterable, Mapping, MutableMapping, Sequence
 from typing import Any, Literal, cast
 
-from .._feature_stage import ExperimentalFeature, experimental
 from .._middleware import AgentContext, AgentMiddleware
 from .._serialization import SerializationMixin
 from .._sessions import AgentSession
@@ -83,7 +82,6 @@ def _content_to_state(content: Content) -> dict[str, Any]:
     return content.to_dict()
 
 
-@experimental(feature_id=ExperimentalFeature.HARNESS)
 class ToolApprovalRule(SerializationMixin):
     """A standing rule for approving future matching tool calls."""
 
@@ -156,7 +154,6 @@ def to_dict(self, *, exclude: set[str] | None = None, exclude_none: bool = True)
         return payload
 
 
-@experimental(feature_id=ExperimentalFeature.HARNESS)
 class ToolApprovalState(SerializationMixin):
     """Session-backed state used by :class:`ToolApprovalMiddleware`."""
 
@@ -342,7 +339,6 @@ def _clone_without_always_approve_metadata(response: Content) -> Content:
     return cloned
 
 
-@experimental(feature_id=ExperimentalFeature.HARNESS)
 class ToolApprovalMiddleware(AgentMiddleware):
     """Coordinate standing tool approvals and queued approval prompts for an agent.