tistnk · Aug 5, 2026 · Jul 30, 2026 · Jul 31, 2026 · Jul 31, 2026 · Jul 31, 2026
diff --git a/en/development_tools/ai_tools/index.rst b/en/development_tools/ai_tools/index.rst
@@ -0,0 +1,28 @@
+
+============================================
+AI Coding Assistance
+============================================
+
+.. toctree::
+   :maxdepth: 1
+   :hidden:
+
+   nabledge/index
+
+This section introduces AI tools that support Nablarch development. |br|
+
+
+.. list-table::
+  :header-rows: 1
+  :class: white-space-normal
+  :widths: 1,2
+
+  * - Tool Name
+    - Description
+  * - :doc:`nabledge/index`
+    - | A plugin for `Claude Code(External site) <https://claude.com/product/claude-code>`_ / `GitHub Copilot(External site) <https://github.com/features/copilot>`_ that provides AI-powered access to Nablarch specifications and best practices.
+      | Enables question answering and code analysis for development support.
+
+.. |br| raw:: html
+
+  <br />
diff --git a/...evelopment_tools/ai_tools/nabledge/_image/nabledge_class_dependency_diagram.png b/...evelopment_tools/ai_tools/nabledge/_image/nabledge_class_dependency_diagram.png
diff --git a/...evelopment_tools/ai_tools/nabledge/_image/nabledge_knowledge_search_example.png b/...evelopment_tools/ai_tools/nabledge/_image/nabledge_knowledge_search_example.png
diff --git a/en/development_tools/ai_tools/nabledge/_image/nabledge_sequence_diagram.png b/en/development_tools/ai_tools/nabledge/_image/nabledge_sequence_diagram.png
diff --git a/en/development_tools/ai_tools/nabledge/index.rst b/en/development_tools/ai_tools/nabledge/index.rst
@@ -0,0 +1,172 @@
+
+==========================================================================
+Nablarch-specific AI Coding Tool Plugin
+==========================================================================
+
+.. contents:: Table of Contents
+  :depth: 2
+  :local:
+
+
+Prerequisites
+==========================================================================
+
+This plugin requires `Claude Code(External site) <https://claude.com/product/claude-code>`_ or `GitHub Copilot(External site) <https://github.com/features/copilot>`_.
+
+
+What is the Nablarch-specific AI Coding Tool Plugin
+==========================================================================
+
+The Nablarch-specific AI Coding Tool Plugin is an AI assistant equipped with knowledge from the official Nablarch documentation, system development guides, and sample projects.
+It operates as a plugin for Claude Code or GitHub Copilot, providing accurate answers to Nablarch-specific specifications and conventions.
+
+Background
+--------------------------------------------
+
+In recent years, generative AI has rapidly become part of everyday development, and developers routinely rely on it.
+However, Nablarch information is scattered across multiple sources on the web, requiring a broad understanding across sources.
+Therefore, generative AI cannot accurately answer Nablarch-specific specifications and conventions.
+
+Common Challenges in Development
+--------------------------------------------
+
+Have you experienced these challenges in Nablarch development?
+
+* "Which documentation contained that configuration?"
+* "Looking up API usage requires going back and forth through multiple official documentation pages..."
+* "When I ask AI, it suggests non-existent methods, causing more confusion"
+* "Explaining Nablarch to team members takes time away from design work"
+
+How This Plugin Helps
+--------------------------------------------
+
+By introducing this plugin, you can simply type ``/n5`` in Claude Code or GitHub Copilot Chat and ask questions to get immediate, evidence-based answers about Nablarch specifications and conventions from AI.
+
+
+
+Features
+============================================
+
+Knowledge Search
+--------------------------------------------
+
+Answers questions based on Nablarch documentation.
+
+Usage example::
+
+  /n5 How do I implement a pull-down input for code values?
+
+Searches related sections across Nablarch documentation and returns answers including code examples and configuration examples.
+
+**Answer Example**
+
+.. image:: _image/nabledge_knowledge_search_example.png
+   :alt: Knowledge search answer example
+   :scale: 80%
+
+How it works:
+
+* Converts official Nablarch documentation to AI-readable JSON format
+* Ensures accuracy through two-stage process: keyword full-text search + AI-based relevance determination
+* Fallback mechanism where AI selects files from the table of contents when full-text search finds no hits
+
+Code Analysis
+--------------------------------------------
+
+Analyzes application code within the project from a Nablarch perspective and documents the overall picture.
+
+Usage example::
+
+  /n5 code-analysis
+
+Visualizes the following information:
+
+* Class dependencies
+* Handler queue configuration
+* Processing flow visualized in Mermaid diagrams
+
+**Output Example**
+
+Class dependency diagram and component summary:
+
+.. image:: _image/nabledge_class_dependency_diagram.png
+   :alt: Class dependency diagram and component summary
+   :scale: 70%
+
+Processing flow diagram (sequence diagram):
+
+.. image:: _image/nabledge_sequence_diagram.png
+   :alt: Processing flow diagram
+   :scale: 70%
+
+Along with the diagrams above, detailed documentation is generated including the role of each component, how to use Nablarch framework features, and implementation points.
+
+Main use case: Quick understanding of the overall picture when new members join the project.
+
+
+Reliability
+============================================
+
+**Answers Based Only on Official Documentation**
+  Knowledge files are created through rule-based transformation of official Nablarch documentation.
+  AI does not introduce external information through web search or speculation; answer sources are always limited to official information.
+
+**Clearly States When Information Is Unavailable**
+  For questions without information in the knowledge files, explicitly states "Not included in knowledge files."
+  Never returns incorrect answers through plausible speculation.
+
+**Always Provides Section-Level References in Answers**
+  All answers clearly indicate their sources, allowing immediate verification of AI answer accuracy.
+
+  **Reference Presentation Structure**
+    * Line 1: Page title (e.g., HTTP Error Control Handler, etc.)
+    * Line 2: File path (.md knowledge file)
+    * Line 3: Title of each cited section
+
+
+Supported Versions
+============================================
+
+This plugin supports the following Nablarch versions.
+
+.. list-table::
+   :header-rows: 1
+   :widths: 60, 40
+
+   * - Supported Version
+     - Plugin
+   * - Nablarch 6u3
+     - `nabledge-6(External site) <https://github.com/nablarch/nabledge/blob/main/plugins/nabledge-6/README.md>`_
+   * - Nablarch 5u26
+     - `nabledge-5(External site) <https://github.com/nablarch/nabledge/blob/main/plugins/nabledge-5/README.md>`_
+   * - Nablarch 1.4.11
+     - `nabledge-1.4(External site) <https://github.com/nablarch/nabledge/blob/main/plugins/nabledge-1.4/README.md>`_
+   * - Nablarch 1.3.7
+     - `nabledge-1.3(External site) <https://github.com/nablarch/nabledge/blob/main/plugins/nabledge-1.3/README.md>`_
+   * - Nablarch 1.2.8
+     - `nabledge-1.2(External site) <https://github.com/nablarch/nabledge/blob/main/plugins/nabledge-1.2/README.md>`_
+
+Installation
+============================================
+
+This plugin is freely available as OSS on GitHub.
+It can be easily installed by executing a single command in the terminal.
+
+For Nablarch 5
+--------------------------------------------
+
+Execute the following command in the terminal::
+
+   curl -sSL https://raw.githubusercontent.com/nablarch/nabledge/main/setup-cc.sh | bash -s -- -v 5
+
+or::
+
+   curl -sSL https://raw.githubusercontent.com/nablarch/nabledge/main/setup-ghc.sh | bash -s -- -v 5
+
+This will make the ``/n5`` command available.
+
+For Other Versions
+--------------------------------------------
+
+Click the link in the **Plugin** column for your Nablarch version to view the setup procedure.
+
diff --git a/en/development_tools/index.rst b/en/development_tools/index.rst
@@ -10,3 +10,4 @@ Nablarch development tools
    ui_dev/index
    testing_framework/index
    toolbox/index
+   ai_tools/index
diff --git a/en/index.rst b/en/index.rst
@@ -58,9 +58,18 @@ Nablarch development tool
 -----------------------------------------------
 
   | :doc:`Efficient java static checks <development_tools/java_static_analysis/index>`
-  | :doc:`Front-end UI development platform for advanced users <development_tools/ui_dev/index>`
   | :doc:`Testing framework <development_tools/testing_framework/index>`
-  | :doc:`Useful tools for developing applications <development_tools/toolbox/index>` 
+  | :doc:`Useful tools for developing applications <development_tools/toolbox/index>`
+  | :doc:`AI Coding Assistance <development_tools/ai_tools/index>`
+
+.. tip::
+   **🤖 Accelerate Nablarch Development with AI**
+
+   With the :doc:`Nablarch-specific AI Coding Tool Plugin <development_tools/ai_tools/nabledge/index>`,
+   you can instantly check Nablarch specifications and implementation methods by simply typing ``/n5``
+   in Claude Code / GitHub Copilot.
+
+   For more details, see :doc:`AI Coding Assistance <development_tools/ai_tools/index>`.
 
 -----------------------------------------------
 Useful content for development in Nablarch

diff --git a/ja/development_tools/ai_tools/index.rst b/ja/development_tools/ai_tools/index.rst
@@ -0,0 +1,28 @@
+
+============================================
+AIコーディング支援
+============================================
+
+.. toctree::
+   :maxdepth: 1
+   :hidden:
+
+   nabledge/index
+
+本書では、Nablarch開発をサポートするAIツールを紹介する。|br|
+
+
+.. list-table::
+  :header-rows: 1
+  :class: white-space-normal
+  :widths: 1,2
+
+  * - ツール名
+    - 説明
+  * - :doc:`nabledge/index`
+    - | Nablarchの仕様・ベストプラクティスをAIが参照可能にした `Claude Code(外部サイト) <https://claude.com/ja/product/claude-code>`_ / `GitHub Copilot(外部サイト) <https://github.com/features/copilot>`_ 向けプラグイン。
+      | 質問応答とコード分析で開発支援を実現。
+
+.. |br| raw:: html
+
+  <br />
diff --git a/...evelopment_tools/ai_tools/nabledge/_image/nabledge_class_dependency_diagram.png b/...evelopment_tools/ai_tools/nabledge/_image/nabledge_class_dependency_diagram.png
diff --git a/...evelopment_tools/ai_tools/nabledge/_image/nabledge_knowledge_search_example.png b/...evelopment_tools/ai_tools/nabledge/_image/nabledge_knowledge_search_example.png
diff --git a/ja/development_tools/ai_tools/nabledge/_image/nabledge_sequence_diagram.png b/ja/development_tools/ai_tools/nabledge/_image/nabledge_sequence_diagram.png