diff --git a/LICENSE b/LICENSE
index ba26287..7a4a3ea 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,7 +1,7 @@
 
                                  Apache License
                            Version 2.0, January 2004
-                        https://www.apache.org/licenses/
+                        http://www.apache.org/licenses/
 
    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
@@ -187,16 +187,16 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2026 Google LLC.
+   Copyright [yyyy] [name of copyright owner]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
 
-       https://www.apache.org/licenses/LICENSE-2.0
+       http://www.apache.org/licenses/LICENSE-2.0
 
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
-   limitations under the License.
+   limitations under the License.
\ No newline at end of file
diff --git a/README.md b/README.md
index 8113f16..5383380 100644
--- a/README.md
+++ b/README.md
@@ -303,7 +303,7 @@ All model configurations, thinking budgets, agent capabilities, and tool filteri
   // 4. Agent Capabilities & Tool Filtering
   "agent": {
     "explorer_versions": { "operator": "flash", "validator": "flash" },
-    "blacklisted_tools": {
+    "denylisted_tools": {
       "explorer": ["ask_image_processor", "get_ocr_list", "inspect_region"]
     }
   }
diff --git a/apps/__init__.py b/apps/__init__.py
index 3510f47..2a5c098 100644
--- a/apps/__init__.py
+++ b/apps/__init__.py
@@ -1 +1,16 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 """Artemis / Latte Applications Package."""
diff --git a/apps/admin_console/__init__.py b/apps/admin_console/__init__.py
index 495bb41..352859e 100644
--- a/apps/admin_console/__init__.py
+++ b/apps/admin_console/__init__.py
@@ -1,3 +1,17 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 """Artemis Admin & Trace Console Package."""
 
 from apps.admin_console.server import app
diff --git a/apps/admin_console/core/__init__.py b/apps/admin_console/core/__init__.py
index aee27a2..58d482e 100644
--- a/apps/admin_console/core/__init__.py
+++ b/apps/admin_console/core/__init__.py
@@ -1 +1,13 @@
 # Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/apps/admin_console/database/__init__.py b/apps/admin_console/database/__init__.py
index aee27a2..58d482e 100644
--- a/apps/admin_console/database/__init__.py
+++ b/apps/admin_console/database/__init__.py
@@ -1 +1,13 @@
 # Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/apps/admin_console/database/repositories/__init__.py b/apps/admin_console/database/repositories/__init__.py
index aee27a2..30cb974 100644
--- a/apps/admin_console/database/repositories/__init__.py
+++ b/apps/admin_console/database/repositories/__init__.py
@@ -1 +1,13 @@
 # Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
\ No newline at end of file
diff --git a/apps/admin_console/replay_manager.py b/apps/admin_console/replay_manager.py
index d12187b..36348d0 100644
--- a/apps/admin_console/replay_manager.py
+++ b/apps/admin_console/replay_manager.py
@@ -52,7 +52,7 @@ REPLAY_TOOLS_CONFIG = {
         "module": "artemis.tools.explorer_tool",
         "function": "_run_explorer_logic",
         "agent_name": "explorer",
-        "blacklist_args": ["ctx", "state"],
+        "denylist_args": ["ctx", "state"],
         "fallback_mappings": {},
         "llm_span_name": "gemini_explorer_call",
     },
@@ -65,7 +65,7 @@ REPLAY_TOOLS_CONFIG = {
         "module": "artemis.tools.image_processor_tool",
         "function": "_run_image_processor_logic",
         "agent_name": "image_processor",
-        "blacklist_args": ["ctx", "state"],
+        "denylist_args": ["ctx", "state"],
         "fallback_mappings": {},
         "llm_span_name": "gemini_image_processor_call",
     },
@@ -1996,14 +1996,14 @@ class ReplayManager:
                 user_submits = user_submits or {}
                 sig = inspect.signature(tool_fn)
                 tool_args = {}
-                blacklist = tool_cfg.get("blacklist_args", [])
+                denylist = tool_cfg.get("denylist_args", [])
                 fallback_mappings = tool_cfg.get("fallback_mappings", {})
 
                 user_submits = user_submits or {}
                 sig = inspect.signature(tool_fn)
                 tool_args = {}
                 for name, param in sig.parameters.items():
-                    if name in blacklist:
+                    if name in denylist:
                         if name == "ctx":
                             tool_args["ctx"] = ctx
                         elif name == "state":
@@ -2012,7 +2012,7 @@ class ReplayManager:
 
                     if name in user_submits:
                         val = user_submits[name]
-                        if param.annotation == bool and isinstance(val, str):
+                        if param.annotation is bool and isinstance(val, str):
                             val = val.lower() == "true"
                         tool_args[name] = val
                     else:
@@ -2086,10 +2086,10 @@ class ReplayManager:
             tool_fn = getattr(mod, tool_cfg["function"])
             sig = inspect.signature(tool_fn)
 
-            blacklist = tool_cfg.get("blacklist_args", [])
+            denylist = tool_cfg.get("denylist_args", [])
             explorer_params = []
             for name, param in sig.parameters.items():
-                if name in blacklist:
+                if name in denylist:
                     continue
                 default_val = ""
                 if param.default is not inspect.Parameter.empty:
@@ -2106,7 +2106,7 @@ class ReplayManager:
                     )
                 ):
                     input_type = "textarea"
-                elif param.annotation == bool:
+                elif param.annotation is bool:
                     input_type = "checkbox"
                 elif param.annotation in (int, float):
                     input_type = "number"
@@ -2181,12 +2181,12 @@ class ReplayManager:
                 all_tool_defaults = {}
                 for t_name, sig in tool_signatures.items():
                     t_cfg = REPLAY_TOOLS_CONFIG[t_name]
-                    blacklist = t_cfg.get("blacklist_args", [])
+                    denylist = t_cfg.get("denylist_args", [])
                     fallback_mappings = t_cfg.get("fallback_mappings", {})
 
                     defaults = {}
                     for name, param in sig.parameters.items():
-                        if name in blacklist:
+                        if name in denylist:
                             continue
 
                         val = ""
diff --git a/apps/admin_console/routers/__init__.py b/apps/admin_console/routers/__init__.py
index aee27a2..58d482e 100644
--- a/apps/admin_console/routers/__init__.py
+++ b/apps/admin_console/routers/__init__.py
@@ -1 +1,13 @@
 # Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/apps/admin_console/schemas/__init__.py b/apps/admin_console/schemas/__init__.py
index aee27a2..58d482e 100644
--- a/apps/admin_console/schemas/__init__.py
+++ b/apps/admin_console/schemas/__init__.py
@@ -1 +1,13 @@
 # Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/apps/admin_console/services/__init__.py b/apps/admin_console/services/__init__.py
index aee27a2..58d482e 100644
--- a/apps/admin_console/services/__init__.py
+++ b/apps/admin_console/services/__init__.py
@@ -1 +1,13 @@
 # Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/artemis/agents/explorer/explorer.py b/artemis/agents/explorer/explorer.py
index 4464466..c8063bf 100644
--- a/artemis/agents/explorer/explorer.py
+++ b/artemis/agents/explorer/explorer.py
@@ -223,8 +223,8 @@ UNIVERSAL_EXPLORER_TOOLS = [
 
 
 class Explorer:
-    BLACKLIST_TEMPLATE = (
-        "\n# TOOL BLACKLIST\n- The following tools are blacklisted and cannot be used: {tools}\n"
+    DENYLIST_TEMPLATE = (
+        "\n# TOOL DENYLIST\n- The following tools are denylisted and cannot be used: {tools}\n"
     )
     TOOLS = [
         types.FunctionDeclaration(
@@ -445,12 +445,12 @@ class Explorer:
         self.next_img_id = 1
         try:
             agent_cfg = getattr(self.ctx, "agent_config", None)
-            blacklisted_config = (
-                getattr(agent_cfg, "blacklisted_tools", {}).get("explorer", []) if agent_cfg else []
+            denylisted_config = (
+                getattr(agent_cfg, "denylisted_tools", {}).get("explorer", []) if agent_cfg else []
             )
-            self.blacklisted_tools = set(blacklisted_config)
+            self.denylisted_tools = set(denylisted_config)
         except (TypeError, AttributeError):
-            self.blacklisted_tools = set()
+            self.denylisted_tools = set()
         self.http_client = None
         self.turn_latencies = []
         self.turn_cached_tokens = []
@@ -514,8 +514,8 @@ class Explorer:
             ]
 
     def get_exposed_tools(self, only_submit: bool = False) -> list[types.FunctionDeclaration]:
-        """Returns the list of tools, filtering out blacklisted ones."""
-        tools = [tool for tool in self.TOOLS if tool.name not in self.blacklisted_tools]
+        """Returns the list of tools, filtering out denylisted ones."""
+        tools = [tool for tool in self.TOOLS if tool.name not in self.denylisted_tools]
         if only_submit:
             tools = [tool for tool in tools if tool.name == "submit_answer"]
         return tools
@@ -1143,11 +1143,11 @@ class Explorer:
         """Executes Explorer reasoning loop via Universal LangChain ChatModel."""
         llm = get_llm(self.ctx, name="explorer")
 
-        # Filter universal tools based on blacklist
+        # Filter universal tools based on denylist
         exposed_tools = [
             t
             for t in UNIVERSAL_EXPLORER_TOOLS
-            if t["function"]["name"] not in self.blacklisted_tools
+            if t["function"]["name"] not in self.denylisted_tools
         ]
         bound_llm = llm.bind_tools(exposed_tools)
 
@@ -1251,12 +1251,12 @@ class Explorer:
                 args = tc.get("args", {})
                 call_id = tc.get("id", f"call_{iterations}_{name}")
 
-                if name in self.blacklisted_tools:
+                if name in self.denylisted_tools:
                     messages.append(
                         ToolMessage(
                             tool_call_id=call_id,
                             name=name,
-                            content=f"Tool '{name}' is blacklisted and unavailable.",
+                            content=f"Tool '{name}' is denylisted and unavailable.",
                         )
                     )
                     continue
@@ -1428,12 +1428,12 @@ class Explorer:
 
         # Resolve parameters
         mode = version.capitalize()
-        version_blacklist = set()
+        version_denylist = set()
         if version == "ultra":
             max_iterations = 8
         elif version == "pro":
             max_iterations = 3
-            version_blacklist = {
+            version_denylist = {
                 "ask_image_processor",
                 "get_ocr_list",
                 "inspect_region",
@@ -1441,21 +1441,21 @@ class Explorer:
             }
         else:
             max_iterations = 3
-            version_blacklist = {
+            version_denylist = {
                 "ask_image_processor",
                 "get_ocr_list",
                 "inspect_region",
             }
 
         try:
-            blacklisted_config = (
-                self.ctx.agent_config.blacklisted_tools.get("explorer", [])
+            denylisted_config = (
+                self.ctx.agent_config.denylisted_tools.get("explorer", [])
                 if self.ctx.agent_config
                 else []
             )
-            self.blacklisted_tools = version_blacklist.union(set(blacklisted_config))
+            self.denylisted_tools = version_denylist.union(set(denylisted_config))
         except (TypeError, AttributeError):
-            self.blacklisted_tools = version_blacklist
+            self.denylisted_tools = version_denylist
 
         # 2. Prepare Native Tools declarations
         self.width = 1080
@@ -1544,14 +1544,14 @@ class Explorer:
             prompt_parts.append("")
 
         prompt_template = "\n".join(prompt_parts)
-        prompt_template += "\n{blakclist}"
-        if self.blacklisted_tools:
-            blacklist_section = self.BLACKLIST_TEMPLATE.format(
-                tools=", ".join(sorted(self.blacklisted_tools))
+        prompt_template += "\n{denylist}"
+        if self.denylisted_tools:
+            denylist_section = self.DENYLIST_TEMPLATE.format(
+                tools=", ".join(sorted(self.denylisted_tools))
             )
         else:
-            blacklist_section = ""
-        prompt_template = prompt_template.replace("{blakclist}", blacklist_section)
+            denylist_section = ""
+        prompt_template = prompt_template.replace("{denylist}", denylist_section)
 
         explore_info = EXPLORE_DESCRIPTIONS.get(version, EXPLORE_DESCRIPTIONS["pro"])
         version_prompt = explore_info.get("version_prompt")
@@ -2039,20 +2039,20 @@ Initial marked UI elements list (corresponding to numbers ①, ②... in the ima
                         "name": name,
                         "args": args,
                     }
-                    if name in self.blacklisted_tools:
+                    if name in self.denylisted_tools:
                         logger.warning(
-                            "Explorer attempted to call blacklisted tool"
+                            "Explorer attempted to call denylisted tool"
                             f" '{name}'. Blocking execution."
                         )
                         tool_call_trace["response"] = {
-                            "error": (f"Tool '{name}' is blacklisted and unavailable.")
+                            "error": (f"Tool '{name}' is denylisted and unavailable.")
                         }
                         turn_record["tool_calls"].append(tool_call_trace)
                         tool_response_parts.append(
                             types.Part.from_function_response(
                                 name=fc.name,
                                 response={
-                                    "error": (f"Tool '{name}' is blacklisted and unavailable.")
+                                    "error": (f"Tool '{name}' is denylisted and unavailable.")
                                 },
                             )
                         )
diff --git a/artemis/config/agent.py b/artemis/config/agent.py
index 453b519..93cad8d 100644
--- a/artemis/config/agent.py
+++ b/artemis/config/agent.py
@@ -18,7 +18,7 @@ import os
 from pathlib import Path
 from typing import Any
 
-from pydantic import BaseModel, Field, model_validator
+from pydantic import AliasChoices, BaseModel, Field, model_validator
 
 from artemis.config.constants import (
     AGENT_CONFIG_FILENAME,
@@ -286,9 +286,10 @@ class AgentGlobalConfig(BaseModel):
         default_factory=OutputterConfig,
         description="Outputter synthesis agent runtime options.",
     )
-    blacklisted_tools: dict[str, list[str]] = Field(
+    denylisted_tools: dict[str, list[str]] = Field(
         default_factory=dict,
-        description="List of blacklisted tools per agent.",
+        description="List of denylisted tools per agent.",
+        validation_alias=AliasChoices("denylisted_tools", "blocklisted_tools"),
     )
     video_analyzer: VideoAnalyzerConfig = Field(
         default_factory=VideoAnalyzerConfig,
diff --git a/artemis/data_engine/engine.py b/artemis/data_engine/engine.py
index f7c7c12..880c1a0 100644
--- a/artemis/data_engine/engine.py
+++ b/artemis/data_engine/engine.py
@@ -851,7 +851,7 @@ class DataEngine:
 
             interleaved_events = []
             try:
-                blacklist = (
+                denylist = (
                     "operator",
                     "perception",
                     "planner",
@@ -891,7 +891,7 @@ class DataEngine:
 
                     if is_relevant_llm:
                         relevant_traces.append(t)
-                    elif t.type in ("tool", "agent") and t.name not in blacklist:
+                    elif t.type in ("tool", "agent") and t.name not in denylist:
                         relevant_traces.append(t)
 
                 # Sort by timestamp to ensure exact chronological order
diff --git a/artemis/sdk/builders/agent_config_builder.py b/artemis/sdk/builders/agent_config_builder.py
index c3c3937..9f16550 100644
--- a/artemis/sdk/builders/agent_config_builder.py
+++ b/artemis/sdk/builders/agent_config_builder.py
@@ -73,7 +73,7 @@ class AgentConfigBuilder:
         agent_cfg = load_agent_config()
         self._explorer = agent_cfg.explorer
         self._explorer_versions = agent_cfg.explorer_versions
-        self._blacklisted_tools = agent_cfg.blacklisted_tools
+        self._denylisted_tools = agent_cfg.denylisted_tools
         self._enable_video_ledger = agent_cfg.video_analyzer.enable_ledger
         if agent_cfg.video_analyzer.enabled is not None:
             self._video_recording_tools_enabled = agent_cfg.video_analyzer.enabled
@@ -431,9 +431,9 @@ class AgentConfigBuilder:
         self._explorer_versions = versions
         return self
 
-    def with_blacklisted_tools(self, tools: dict[str, list[str]]) -> "AgentConfigBuilder":
-        """Configure blacklisted tools."""
-        self._blacklisted_tools = tools
+    def with_denylisted_tools(self, tools: dict[str, list[str]]) -> "AgentConfigBuilder":
+        """Configure denylisted tools."""
+        self._denylisted_tools = tools
         return self
 
     def build(self, validate_profiles: bool = True) -> AgentConfig:
@@ -505,7 +505,7 @@ class AgentConfigBuilder:
             pro=self._pro,
             explorer=self._explorer,
             explorer_versions=self._explorer_versions,
-            blacklisted_tools=self._blacklisted_tools,
+            denylisted_tools=self._denylisted_tools,
             enable_video_ledger=self._enable_video_ledger,
         )
 
diff --git a/artemis/sdk/types/agent.py b/artemis/sdk/types/agent.py
index 090c8cf..f1436a5 100644
--- a/artemis/sdk/types/agent.py
+++ b/artemis/sdk/types/agent.py
@@ -25,7 +25,7 @@ from artemis.config import (
 from artemis.context import DevicePlatform
 from artemis.sdk.types.task import AgentProfile, TaskRequestCommon
 from artemis.utils.video import detect_video_tools_enabled
-from pydantic import BaseModel, Field
+from pydantic import AliasChoices, BaseModel, Field
 
 
 class _CyFunctionDetectorMeta(type):
@@ -125,7 +125,10 @@ class AgentConfig(BaseModel):
 
     explorer: ExplorerConfig = Field(default_factory=ExplorerConfig)
     explorer_versions: dict[str, Literal["flash", "pro", "ultra"]]
-    blacklisted_tools: dict[str, list[str]]
+    denylisted_tools: dict[str, list[str]] = Field(
+        default_factory=dict,
+        validation_alias=AliasChoices("denylisted_tools", "blocklisted_tools"),
+    )
     enable_video_ledger: bool = True
 
     model_config = {"arbitrary_types_allowed": True}
diff --git a/config/artemis.jsonc b/config/artemis.jsonc
index 7a73e41..ab594b3 100644
--- a/config/artemis.jsonc
+++ b/config/artemis.jsonc
@@ -204,8 +204,8 @@
       "operator": "flash",
       "validator": "flash"
     },
-// 🚫 Per-agent Tool Blacklists
-    "blacklisted_tools": {
+// 🚫 Per-agent Tool Denylists
+    "denylisted_tools": {
       "explorer": [
         "ask_image_processor",
         "get_ocr_list",
diff --git a/tests/integration/agents/explorer/test_explorer_all_tools/helpers.py b/tests/integration/agents/explorer/test_explorer_all_tools/helpers.py
index d74e678..0927a35 100644
--- a/tests/integration/agents/explorer/test_explorer_all_tools/helpers.py
+++ b/tests/integration/agents/explorer/test_explorer_all_tools/helpers.py
@@ -29,7 +29,7 @@ def create_mock_context() -> MagicMock:
     ctx.device.device_height = 2400
     ctx.llm_config = MagicMock()
     ctx.agent_config = MagicMock()
-    ctx.agent_config.blacklisted_tools = {"explorer": []}
+    ctx.agent_config.denylisted_tools = {"explorer": []}
     ctx.data_engine = None
     ctx.adb_client = None
     return ctx
diff --git a/tests/integration/test_ime.py b/tests/integration/test_ime.py
index be24341..9b097ab 100644
--- a/tests/integration/test_ime.py
+++ b/tests/integration/test_ime.py
@@ -1,3 +1,17 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import time
 import uiautomator2 as u2
 
diff --git a/tests/tools/conftest.py b/tests/tools/conftest.py
index a5407a6..6499fd6 100644
--- a/tests/tools/conftest.py
+++ b/tests/tools/conftest.py
@@ -77,7 +77,7 @@ def artemis_context(inputs_dir, mock_adb_client):
     ctx.trace_dir = trace_out
 
     ctx.agent_config = MagicMock()
-    ctx.agent_config.blacklisted_tools = {}
+    ctx.agent_config.denylisted_tools = {}
 
     return ctx
 
diff --git a/tests/unit/agents/test_explorer.py b/tests/unit/agents/test_explorer.py
index beaeaed..55b2652 100644
--- a/tests/unit/agents/test_explorer.py
+++ b/tests/unit/agents/test_explorer.py
@@ -843,7 +843,7 @@ async def test_explorer_initial_visual_marking_previous_screenshot_on_the_fly_oc
 
 
 @pytest.mark.asyncio
-async def test_explorer_blacklisted_tool():
+async def test_explorer_denylisted_tool():
     # Mock context and state
     mock_ctx = MagicMock(spec=ArtemisContext)
     mock_ctx.device = MagicMock()
@@ -855,12 +855,12 @@ async def test_explorer_blacklisted_tool():
     mock_ctx.llm_config.explorer = MagicMock()
     mock_ctx.llm_config.explorer.model = "gemini-3.6-flash"
     mock_ctx.agent_config = MagicMock()
-    mock_ctx.agent_config.blacklisted_tools = {"explorer": ["search_xml_ocr"]}
+    mock_ctx.agent_config.denylisted_tools = {"explorer": ["search_xml_ocr"]}
 
     mock_state = MagicMock(spec=State)
     mock_state.latest_screenshot = "/tmp/test_screenshot.jpg"
 
-    # Response 1: Model calls search_xml_ocr (which is blacklisted)
+    # Response 1: Model calls search_xml_ocr (which is denylisted)
     mock_response1 = MagicMock()
     mock_response1.text = ""
     mock_func_call1 = MagicMock()
@@ -958,7 +958,7 @@ async def test_explorer_blacklisted_tool():
         assert mock_client.aio.models.generate_content.call_count == 2
 
         # Verify the contents passed to the second call contain the error response
-        # indicating that the tool is blacklisted and unavailable.
+        # indicating that the tool is denylisted and unavailable.
         call_args = mock_client.aio.models.generate_content.call_args_list[1]
         contents = call_args[1]["contents"]
 
@@ -978,7 +978,7 @@ async def test_explorer_blacklisted_tool():
         for part in tool_content.parts:
             func_resp = part.function_response
             if func_resp and func_resp.name == "search_xml_ocr":
-                assert "blacklisted and unavailable" in func_resp.response["error"]
+                assert "denylisted and unavailable" in func_resp.response["error"]
                 found_error = True
 
         assert found_error
diff --git a/tests/unit/agents/test_explorer_universal.py b/tests/unit/agents/test_explorer_universal.py
index 33d21fb..cdeb59c 100644
--- a/tests/unit/agents/test_explorer_universal.py
+++ b/tests/unit/agents/test_explorer_universal.py
@@ -43,7 +43,7 @@ def mock_context(tmp_path):
     ctx.device.device_height = 2400
 
     ctx.agent_config = Mock()
-    ctx.agent_config.blacklisted_tools = {}
+    ctx.agent_config.denylisted_tools = {}
 
     ctx.data_engine = Mock()
     ctx.data_engine.base_dir = tmp_path
diff --git a/tests/unit/test_config_package.py b/tests/unit/test_config_package.py
index 18cf71c..dad3200 100644
--- a/tests/unit/test_config_package.py
+++ b/tests/unit/test_config_package.py
@@ -136,7 +136,7 @@ def test_agent_config_loading():
     assert agent_cfg.explorer.flash_mode == "flash"
     assert agent_cfg.explorer.pro_mode == "flash"
     assert agent_cfg.explorer.caching is True
-    assert "explorer" in agent_cfg.blacklisted_tools
+    assert "explorer" in agent_cfg.denylisted_tools
     assert agent_cfg.video_analyzer.enable_ledger is True
     assert agent_cfg.planner_validation.enabled is False
     assert agent_cfg.planner_validation.similarity_threshold == 0.85
diff --git a/tests/unit/test_context.py b/tests/unit/test_context.py
index c93d267..7af7940 100644
--- a/tests/unit/test_context.py
+++ b/tests/unit/test_context.py
@@ -1,3 +1,18 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 import asyncio
 import pytest
 from artemis.context import ArtemisContext, DeviceContext, DevicePlatform