arm · atsyplikhin · Apr 24, 2026 · Apr 24, 2026 · Apr 24, 2026 · Apr 24, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: CI
 
 on:

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Release
 
 # Publishes all three packages to PyPI when a tag matching `v*` is pushed.

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -184,3 +184,21 @@ See [tests/README.md](tests/README.md) for the full test matrix.
 ## License
 
 By contributing, you agree that your contributions will be licensed under the [Apache License 2.0](LICENSE).
+
+## File headers
+
+All source files contributed to this repository must include the following
+header at the top:
+
+```
+Copyright (c) <year>-2026, Arm Limited and Contributors. All rights reserved.
+SPDX-License-Identifier: Apache-2.0
+```
+
+For languages that use `/* */` or `//` comments (C, C++, Go, JavaScript,
+TypeScript, etc.), apply the equivalent block-comment form. For shebang
+scripts, place the header immediately after the shebang line.
+
+Preserve this header when editing existing files. If you are contributing
+code originally authored by a third party, preserve their original
+copyright notice verbatim and do not overwrite it.
diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/__init__.py b/packages/device-connect-agent-tools/device_connect_agent_tools/__init__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Device Connect Tools — framework-agnostic SDK for Device Connect IoT.
 
 Hierarchical discovery keeps LLM context small:

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/_normalize.py b/packages/device-connect-agent-tools/device_connect_agent_tools/_normalize.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Shared device normalization helpers.
 
 Operates on flat device dicts (already run through ``connection.flatten_device``

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/__init__.py b/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/__init__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Framework adapters for device-connect-agent-tools.
 
 Import tools from the adapter matching your agent framework:

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/claude.py b/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/claude.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Claude Agent SDK adapter — exposes Device Connect tools to claude-agent-sdk.
 
 Hierarchical discovery keeps LLM context small::

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/langchain.py b/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/langchain.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """LangChain adapter — wraps Device Connect tools as LangChain StructuredTools.
 
 Hierarchical discovery keeps LLM context small:

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/strands.py b/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/strands.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Strands adapter — wraps Device Connect tools with @strands.tool.
 
 Hierarchical discovery keeps LLM context small:

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/strands_agent.py b/packages/device-connect-agent-tools/device_connect_agent_tools/adapters/strands_agent.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """StrandsDeviceConnectAgent — DeviceConnectAgent with a Strands backend.
 
 Usage::

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/agent.py b/packages/device-connect-agent-tools/device_connect_agent_tools/agent.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """DeviceConnectAgent — high-level agent that connects, discovers, and reacts to events.
 
 Usage::

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/connection.py b/packages/device-connect-agent-tools/device_connect_agent_tools/connection.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Messaging connection management for Device Connect tools.
 
 Uses device_connect_edge.messaging for the underlying connection, credential

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/__init__.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/__init__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """MCP Bridge for Device Connect.
 
 This module provides:

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/__main__.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/__main__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Entry point for MCP Bridge Server.
 
 Usage:

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/bridge.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/bridge.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """MCP Bridge Server for Claude Desktop.
 
 Connects Claude Desktop to Device Connect devices by exposing 4 meta-tools

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/config.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/config.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Configuration for MCP Bridge and DeviceConnectMCP devices.
 
 Loads configuration from environment variables and credentials files.

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/device_connect_mcp.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/device_connect_mcp.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """DeviceConnectMCP - FastMCP-compatible API for Device Connect devices.
 
 Provides a simple, decorator-based interface for building Device Connect devices

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/device_tools.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/device_tools.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """MCP server for remote device operations.
 
 This module provides an MCP server that exposes tools for interacting with

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/router.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/router.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Tool router for MCP Bridge.
 
 Routes MCP tool calls to Device Connect devices via NATS JSON-RPC.

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/schema.py b/packages/device-connect-agent-tools/device_connect_agent_tools/mcp/schema.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """MCP tool name parsing utilities."""
 
 from __future__ import annotations

diff --git a/packages/device-connect-agent-tools/device_connect_agent_tools/tools.py b/packages/device-connect-agent-tools/device_connect_agent_tools/tools.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Device Connect device operations — framework-agnostic tool functions.
 
 Hierarchical discovery tools that keep LLM context small:

diff --git a/packages/device-connect-agent-tools/pyproject.toml b/packages/device-connect-agent-tools/pyproject.toml
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 [build-system]
 requires = ["setuptools>=68.0", "wheel"]
 build-backend = "setuptools.build_meta"

diff --git a/packages/device-connect-agent-tools/tests/__init__.py b/packages/device-connect-agent-tools/tests/__init__.py
@@ -0,0 +1,4 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
diff --git a/packages/device-connect-agent-tools/tests/conftest.py b/packages/device-connect-agent-tools/tests/conftest.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Shared fixtures for device-connect-agent-tools tests.
 
 Uses device_connect_edge.messaging.MessagingConfig for credential/TLS resolution.

diff --git a/packages/device-connect-agent-tools/tests/fuzz/conftest.py b/packages/device-connect-agent-tools/tests/fuzz/conftest.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Hypothesis configuration for agent-tools fuzz tests."""
 
 import os

diff --git a/packages/device-connect-agent-tools/tests/fuzz/fuzz_jsonrpc_parsing.py b/packages/device-connect-agent-tools/tests/fuzz/fuzz_jsonrpc_parsing.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Atheris fuzz target: JSON-RPC message parsing from connection layer.
 
 Run:

diff --git a/packages/device-connect-agent-tools/tests/fuzz/fuzz_schema.py b/packages/device-connect-agent-tools/tests/fuzz/fuzz_schema.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Atheris fuzz target: MCP tool name parsing.
 
 Run:

diff --git a/packages/device-connect-agent-tools/tests/fuzz/test_fuzz_jsonrpc_parsing.py b/packages/device-connect-agent-tools/tests/fuzz/test_fuzz_jsonrpc_parsing.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Property-based fuzz tests for JSON-RPC message parsing in connection layer.
 
 Run:

diff --git a/packages/device-connect-agent-tools/tests/fuzz/test_fuzz_schema.py b/packages/device-connect-agent-tools/tests/fuzz/test_fuzz_schema.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Property-based fuzz tests for MCP tool name parsing.
 
 Run:

diff --git a/packages/device-connect-agent-tools/tests/test_claude_adapter.py b/packages/device-connect-agent-tools/tests/test_claude_adapter.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Unit tests for device_connect_agent_tools.adapters.claude module.
 
 Validates that the Claude Agent SDK adapter wraps Device Connect tool functions

diff --git a/packages/device-connect-agent-tools/tests/test_connection_unit.py b/packages/device-connect-agent-tools/tests/test_connection_unit.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Unit tests for device_connect_agent_tools.connection module.
 
 Tests connection management, config resolution, and RPC helpers

diff --git a/packages/device-connect-agent-tools/tests/test_integration.py b/packages/device-connect-agent-tools/tests/test_integration.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Integration tests for device-connect-agent-tools.
 
 No dependency on device-connect-server — tests the standalone package.

diff --git a/packages/device-connect-agent-tools/tests/test_langchain_adapter.py b/packages/device-connect-agent-tools/tests/test_langchain_adapter.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Unit tests for device_connect_agent_tools.adapters.langchain module.
 
 Validates that the LangChain adapter correctly wraps Device Connect tool functions

diff --git a/packages/device-connect-agent-tools/tests/test_normalize.py b/packages/device-connect-agent-tools/tests/test_normalize.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Unit tests for device_connect_agent_tools._normalize."""
 from device_connect_agent_tools._normalize import (
     _normalize_events,

diff --git a/packages/device-connect-agent-tools/tests/test_strands_adapter.py b/packages/device-connect-agent-tools/tests/test_strands_adapter.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Unit tests for device_connect_agent_tools.adapters.strands module.
 
 Validates that the Strands adapter correctly wraps Device Connect tool functions

diff --git a/packages/device-connect-agent-tools/tests/test_tools_unit.py b/packages/device-connect-agent-tools/tests/test_tools_unit.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Unit tests for device_connect_agent_tools.tools module.
 
 Tests discover_devices, invoke_device, invoke_device_with_fallback,

diff --git a/packages/device-connect-edge/device_connect_edge/__init__.py b/packages/device-connect-edge/device_connect_edge/__init__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Device Connect Edge — lightweight runtime for edge devices.
 
 Build IoT devices with Python. Connect them over Zenoh or NATS. Communicate

diff --git a/packages/device-connect-edge/device_connect_edge/device.py b/packages/device-connect-edge/device_connect_edge/device.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Helper for creating Device Connect devices.
 
 Provides resilient messaging connectivity, automatic device registration with retries,

diff --git a/packages/device-connect-edge/device_connect_edge/discovery.py b/packages/device-connect-edge/device_connect_edge/discovery.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Device-to-device discovery via presence announcements.
 
 When no infrastructure (registry, etcd, router) is available, devices can

diff --git a/packages/device-connect-edge/device_connect_edge/discovery_provider.py b/packages/device-connect-edge/device_connect_edge/discovery_provider.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Discovery provider protocol for unified device discovery.
 
 Defines the ``DiscoveryProvider`` protocol that both D2D (local presence)

diff --git a/packages/device-connect-edge/device_connect_edge/drivers/__init__.py b/packages/device-connect-edge/device_connect_edge/drivers/__init__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Device driver framework for Device Connect.
 
 This module provides the foundation for implementing device-specific logic.

diff --git a/packages/device-connect-edge/device_connect_edge/drivers/base.py b/packages/device-connect-edge/device_connect_edge/drivers/base.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Device driver abstract base class with D2D communication.
 
 This module defines the DeviceDriver ABC, which provides the foundation

diff --git a/packages/device-connect-edge/device_connect_edge/drivers/capability_loader.py b/packages/device-connect-edge/device_connect_edge/drivers/capability_loader.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """In-process capability loading for Device Connect devices.
 
 This module provides infrastructure for loading capabilities from disk

diff --git a/packages/device-connect-edge/device_connect_edge/drivers/decorators.py b/packages/device-connect-edge/device_connect_edge/drivers/decorators.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Decorators for defining device functions and events.
 
 This module provides decorators that mark methods as device functions or

diff --git a/packages/device-connect-edge/device_connect_edge/drivers/transport.py b/packages/device-connect-edge/device_connect_edge/drivers/transport.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Lightweight transport wrapper for hardware-native topic access.
 
 Exposes raw publish/subscribe on arbitrary topics using the device's

diff --git a/packages/device-connect-edge/device_connect_edge/errors.py b/packages/device-connect-edge/device_connect_edge/errors.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """Exception hierarchy for Device Connect.
 
 This module defines the exception classes used throughout the Device Connect

diff --git a/packages/device-connect-edge/device_connect_edge/messaging/__init__.py b/packages/device-connect-edge/device_connect_edge/messaging/__init__.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """
 Messaging abstraction layer for Device Connect.
 

diff --git a/packages/device-connect-edge/device_connect_edge/messaging/base.py b/packages/device-connect-edge/device_connect_edge/messaging/base.py
@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2026, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 """
 Abstract base class for messaging clients.