Add MCP post

Author: urbytes21

content/posts/english-writing.md

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+---
+author: "Phong Nguyen"
+title: "Model Context Protocol (MCP)"
+date: "2026-02-10"
+description: "Model Context Protocol (MCP)"
+tags: ["mcp"]   #tags search
+FAcategories: ["syntax"]    #The category of the post, similar to tags but usually for broader classification.
+FAseries: ["Themes Guide"]    #indicates that this post is part of a series of related posts
+aliases: ["migrate-from-jekyl"]    #Alternative URLs or paths that can be used to access this post, useful for redirects from old posts or similar content.
+ShowToc: true    # Determines whether to display the Table of Contents (TOC) for the post.
+TocOpen: true    # Controls whether the TOC is expanded when the post is loaded. 
+weight: 15    # The order in which the post appears in a list of posts. Lower numbers make the post appear earlier.
+---
+## 1. Introduce
+- Modern applications are integrating with Large Language Models (LLMs) to build AI solution.
+- The AI model's response will be more context-ware if we provide it external source like databases, file systems, pictures ,...
+- MCP provides a standard way to connect AI-powered applications with external data sources.
+  - ![image](/images/mcp_overview.png)<br>
+<br>
+
+## 2. Model Context Protocol
+- Components overview:
+  - ![image](/images/mcp_overview_diagram.png)<br>
+- MCP follows a client-server architecture, that included:
+  - **MCP Host:** is the main application that integrates with an LLMs and required to connect with external data source
+  - **MCP Client:** are components that establish and maintain 1-1 connection with **MCP servers**
+  - **MCP Servers:** are components that integrate with external data sources and expose apis to interact with them
+  - MCP provides **two transport channels**, with many transport types:
+    - `stdio`: to enable communication through standard I/O streams
+    - `SSE`: HTTP
+
+## 3. Java Example - Creating an MCP Host
+Building an application (MCP Host):
+ - act as a chatbot using a Claude LLMs model.
+ - enable to use a local LLM
+
+### 3.1. Dependency
+- Create an java maven / jdk 21 project.
+- Add the following dependencies to `pom.xml`: 
+```xml
+<dependency>
+    <groupId>org.springframework.ai</groupId>
+    <artifactId>spring-ai-starter-model-anthropic</artifactId>
+    <version>1.0.1</version>
+</dependency>
+<dependency>
+    <groupId>org.springframework.ai</groupId>
+    <artifactId>spring-ai-starter-mcp-client</artifactId> 
+    <version>1.0.1</version>
+</dependency>
+<dependencyManagement>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-bom</artifactId>
+            <version>1.0.1</version>
+            <type>pom</type>
+            <scope>import</scope>
+        </dependency>
+    </dependencies>
+</dependencyManagement>
+```
+- Notes:
+  - `spring-ai-starter-model-anthropic`: to interact with the Claud model
+  - `spring-ai-starter-mcp-client`: to configure clients in the application to maintain 1-1 connection with the MCP servers.
+
+- Navigate to [Claud](https://platform.claude.com/settings/keys) and create an API key.
+-