docs: Add prominent MCP tools badges and experimental release announcements

## Documentation Updates
- **Badge Integration**: Added orange experimental MCP Tools badges to both English and Chinese READMEs
- **Version Updates**: Updated version badges to v2.1.0-experimental
- **Release Announcements**: Added prominent experimental release notifications with:
  - MCP tools integration highlights
  - Exa MCP Server and Code Index MCP mentions
  - Experimental feature warnings
- **Key Innovations**: Added MCP Tools Integration to core innovations list

## Visual Improvements
- Orange "Experimental" badges for clear visual distinction
- Links to Model Context Protocol GitHub organization
- Clear experimental warnings in both languages

## Release Features
- Enhanced codebase analysis through MCP tools
- External API patterns via Exa MCP Server
- Advanced internal code search via Code Index MCP
- Automatic fallback to traditional tools
- Optional installation with backward compatibility

🧪 **Experimental**: MCP integration is currently experimental and optional

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -2,9 +2,10 @@
 
 <div align="center">
 
-[![Version](https://img.shields.io/badge/version-v2.0.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
+[![Version](https://img.shields.io/badge/version-v2.1.0--experimental-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey.svg)]()
+[![MCP Tools](https://img.shields.io/badge/🔧_MCP_Tools-Experimental-orange.svg)](https://github.com/modelcontextprotocol)
 
 **Languages:** [English](README.md) | [中文](README_CN.md)
 
@@ -16,7 +17,9 @@
 
 **Claude Code Workflow (CCW)** is a next-generation multi-agent automation framework for software development that orchestrates complex development tasks through intelligent workflow management and autonomous execution.
 
-> **🎯 Latest Release v2.0**: Major architectural evolution with enhanced workflow lifecycle, comprehensive test workflow generation, plan verification system, and brainstorm artifacts integration. See [CHANGELOG.md](CHANGELOG.md) for details.
+> **🧪 Latest Release v2.1.0-experimental**: Introduces **experimental MCP (Model Context Protocol) tools integration** for enhanced codebase analysis and external context retrieval. Includes Exa MCP Server for external API patterns and Code Index MCP for advanced internal codebase exploration. See [CHANGELOG.md](CHANGELOG.md) for details.
+
+> **⚠️ Experimental Features**: MCP tools are optional and experimental. All existing functionality remains stable.
 
 ### 🌟 Key Innovations
 
@@ -25,6 +28,7 @@
 - **✅ Plan Verification System**: Pre-execution validation using dual Gemini/Codex analysis (`/workflow:plan-verify`)
 - **🎯 JSON-First Architecture**: Single source of truth with atomic session management
 - **💡 Brainstorm Artifacts**: Multi-perspective planning with synthesis and structured document generation
+- **🔧 MCP Tools Integration** *(Experimental)*: Enhanced codebase analysis through Model Context Protocol tools
 
 ---
 

README_CN.md

@@ -2,9 +2,10 @@
 
 <div align="center">
 
-[![Version](https://img.shields.io/badge/version-v2.0.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
+[![Version](https://img.shields.io/badge/version-v2.1.0--experimental-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey.svg)]()
+[![MCP工具](https://img.shields.io/badge/🔧_MCP工具-实验性-orange.svg)](https://github.com/modelcontextprotocol)
 
 **语言:** [English](README.md) | [中文](README_CN.md)
 
@@ -16,7 +17,9 @@
 
 **Claude Code Workflow (CCW)** 是新一代多智能体自动化开发框架，通过智能工作流管理和自主执行协调复杂的软件开发任务。
 
-> **🎯 最新版本 v2.0**: 主要架构演进，包含增强的工作流生命周期、全面的测试工作流生成、计划验证系统和头脑风暴产物集成。详见 [CHANGELOG.md](CHANGELOG.md)。
+> **🧪 最新版本 v2.1.0-experimental**: 引入**实验性 MCP (模型上下文协议) 工具集成**，实现增强的代码库分析和外部上下文获取。包含用于外部 API 模式的 Exa MCP Server 和用于高级内部代码库探索的 Code Index MCP。详见 [CHANGELOG.md](CHANGELOG.md)。
+
+> **⚠️ 实验性功能**: MCP 工具是可选的实验性功能。所有现有功能保持稳定。
 
 ### 🌟 核心创新