diff --git a/CHANGELOG.md b/CHANGELOG.md
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+++ b/CHANGELOG.md
@@ -2,13 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
-The changelog format is based on [Keep a Changelog] and [CommonMark].
-This project adheres to [Semantic Versioning].
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+[markdownlint](https://dlaa.me/markdownlint/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.0.0] - Unreleased
+## [Unreleased]
 
-- Initial release using mapper-ai files.
+### Changed 2026-02-10
 
-[CommonMark]: https://commonmark.org/
-[Keep a Changelog]: https://keepachangelog.com/
-[Semantic Versioning]: https://semver.org/
+- Align toolkit with January 2026 AWS workshop findings
+  - Mapping assistant: better stage gating and improved multi-entity loop tracking
+  - Entity specification: consolidated into text and tables, removed unused images
+  - Tools reference: clarified tool usage, added multi-environment support (local/Docker/remote) via `senzing_server.json`
+  - README: restructured with Getting Started, Environment Setup, and tool-agnostic context loading for AI IDEs
+- Added `senzing_mcp_reference.md` for MCP server usage
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