diff --git a/.claude/agents/context-search-agent.md b/.claude/agents/context-search-agent.md
index 740006f1..71214908 100644
--- a/.claude/agents/context-search-agent.md
+++ b/.claude/agents/context-search-agent.md
@@ -44,19 +44,19 @@ You are a context discovery specialist focused on gathering relevant project inf
 **Use**: Unfamiliar APIs/libraries/patterns
 
 ### 3. Existing Code Discovery
-**Primary (Code-Index MCP)**:
-- `mcp__code-index__set_project_path()` - Initialize index
-- `mcp__code-index__find_files(pattern)` - File pattern matching
-- `mcp__code-index__search_code_advanced()` - Content search
-- `mcp__code-index__get_file_summary()` - File structure analysis
-- `mcp__code-index__refresh_index()` - Update index
+**Primary (CCW CodexLens MCP)**:
+- `mcp__ccw-tools__codex_lens(action="init", path=".")` - Initialize index
+- `mcp__ccw-tools__codex_lens(action="search", query="pattern")` - Content search
+- `mcp__ccw-tools__codex_lens(action="search_files", query="pattern")` - File search (paths only)
+- `mcp__ccw-tools__codex_lens(action="symbol", file="path")` - File structure analysis
+- `mcp__ccw-tools__codex_lens(action="update", files=[...])` - Update specific files
 
 **Fallback (CLI)**:
 - `rg` (ripgrep) - Fast content search
 - `find` - File discovery
 - `Grep` - Pattern matching
 
-**Priority**: Code-Index MCP > ripgrep > find > grep
+**Priority**: CodexLens MCP > ripgrep > find > grep
 
 ## Simplified Execution Process (3 Phases)
 
@@ -77,9 +77,8 @@ if (file_exists(contextPackagePath)) {
 
 **1.2 Foundation Setup**:
 ```javascript
-// 1. Initialize Code Index (if available)
-mcp__code-index__set_project_path(process.cwd())
-mcp__code-index__refresh_index()
+// 1. Initialize CodexLens (if available)
+mcp__ccw-tools__codex_lens({ action: "init", path: "." })
 
 // 2. Project Structure
 bash(ccw tool exec get_modules_by_depth '{}')
@@ -212,18 +211,18 @@ mcp__exa__web_search_exa({
 
 **Layer 1: File Pattern Discovery**
 ```javascript
-// Primary: Code-Index MCP
-const files = mcp__code-index__find_files("*{keyword}*")
+// Primary: CodexLens MCP
+const files = mcp__ccw-tools__codex_lens({ action: "search_files", query: "*{keyword}*" })
 // Fallback: find . -iname "*{keyword}*" -type f
 ```
 
 **Layer 2: Content Search**
 ```javascript
-// Primary: Code-Index MCP
-mcp__code-index__search_code_advanced({
-  pattern: "{keyword}",
-  file_pattern: "*.ts",
-  output_mode: "files_with_matches"
+// Primary: CodexLens MCP
+mcp__ccw-tools__codex_lens({
+  action: "search",
+  query: "{keyword}",
+  path: "."
 })
 // Fallback: rg "{keyword}" -t ts --files-with-matches
 ```
@@ -231,11 +230,10 @@ mcp__code-index__search_code_advanced({
 **Layer 3: Semantic Patterns**
 ```javascript
 // Find definitions (class, interface, function)
-mcp__code-index__search_code_advanced({
-  pattern: "^(export )?(class|interface|type|function) .*{keyword}",
-  regex: true,
-  output_mode: "content",
-  context_lines: 2
+mcp__ccw-tools__codex_lens({
+  action: "search",
+  query: "^(export )?(class|interface|type|function) .*{keyword}",
+  path: "."
 })
 ```
 
@@ -243,21 +241,22 @@ mcp__code-index__search_code_advanced({
 ```javascript
 // Get file summaries for imports/exports
 for (const file of discovered_files) {
-  const summary = mcp__code-index__get_file_summary(file)
-  // summary: {imports, functions, classes, line_count}
+  const summary = mcp__ccw-tools__codex_lens({ action: "symbol", file: file })
+  // summary: {symbols: [{name, type, line}]}
 }
 ```
 
 **Layer 5: Config & Tests**
 ```javascript
 // Config files
-mcp__code-index__find_files("*.config.*")
-mcp__code-index__find_files("package.json")
+mcp__ccw-tools__codex_lens({ action: "search_files", query: "*.config.*" })
+mcp__ccw-tools__codex_lens({ action: "search_files", query: "package.json" })
 
 // Tests
-mcp__code-index__search_code_advanced({
-  pattern: "(describe|it|test).*{keyword}",
-  file_pattern: "*.{test,spec}.*"
+mcp__ccw-tools__codex_lens({
+  action: "search",
+  query: "(describe|it|test).*{keyword}",
+  path: "."
 })
 ```
 
@@ -560,14 +559,14 @@ Output: .workflow/session/{session}/.process/context-package.json
 - Expose sensitive data (credentials, keys)
 - Exceed file limits (50 total)
 - Include binaries/generated files
-- Use ripgrep if code-index available
+- Use ripgrep if CodexLens available
 
 **ALWAYS**:
-- Initialize code-index in Phase 0
+- Initialize CodexLens in Phase 0
 - Execute get_modules_by_depth.sh
 - Load CLAUDE.md/README.md (unless in memory)
 - Execute all 3 discovery tracks
-- Use code-index MCP as primary
+- Use CodexLens MCP as primary
 - Fallback to ripgrep only when needed
 - Use Exa for unfamiliar APIs
 - Apply multi-factor scoring
diff --git a/.claude/agents/test-context-search-agent.md b/.claude/agents/test-context-search-agent.md
index 6da3f521..aebb514d 100644
--- a/.claude/agents/test-context-search-agent.md
+++ b/.claude/agents/test-context-search-agent.md
@@ -36,10 +36,10 @@ You are a test context discovery specialist focused on gathering test coverage i
 **Use**: Phase 1 source context loading
 
 ### 2. Test Coverage Discovery
-**Primary (Code-Index MCP)**:
-- `mcp__code-index__find_files(pattern)` - Find test files (*.test.*, *.spec.*)
-- `mcp__code-index__search_code_advanced()` - Search test patterns
-- `mcp__code-index__get_file_summary()` - Analyze test structure
+**Primary (CCW CodexLens MCP)**:
+- `mcp__ccw-tools__codex_lens(action="search_files", query="*.test.*")` - Find test files
+- `mcp__ccw-tools__codex_lens(action="search", query="pattern")` - Search test patterns
+- `mcp__ccw-tools__codex_lens(action="symbol", file="path")` - Analyze test structure
 
 **Fallback (CLI)**:
 - `rg` (ripgrep) - Fast test pattern search
@@ -120,9 +120,10 @@ for (const summary_path of summaries) {
 
 **2.1 Existing Test Discovery**:
 ```javascript
-// Method 1: Code-Index MCP (preferred)
-const test_files = mcp__code-index__find_files({
-  patterns: ["*.test.*", "*.spec.*", "*test_*.py", "*_test.go"]
+// Method 1: CodexLens MCP (preferred)
+const test_files = mcp__ccw-tools__codex_lens({
+  action: "search_files",
+  query: "*.test.* OR *.spec.* OR test_*.py OR *_test.go"
 });
 
 // Method 2: Fallback CLI
diff --git a/.claude/commands/memory/load.md b/.claude/commands/memory/load.md
index be1be51f..e04e252b 100644
--- a/.claude/commands/memory/load.md
+++ b/.claude/commands/memory/load.md
@@ -39,7 +39,7 @@ The command fully delegates to **universal-executor agent**, which autonomously:
 1. **Analyzes Project Structure**: Executes `get_modules_by_depth.sh` to understand architecture
 2. **Loads Documentation**: Reads CLAUDE.md, README.md and other key docs
 3. **Extracts Keywords**: Derives core keywords from task description
-4. **Discovers Files**: Uses MCP code-index or rg/find to locate relevant files
+4. **Discovers Files**: Uses CodexLens MCP or rg/find to locate relevant files
 5. **CLI Deep Analysis**: Executes Gemini/Qwen CLI for deep context analysis
 6. **Generates Content Package**: Returns structured JSON core content package
 
diff --git a/.claude/commands/workflow/tools/context-gather.md b/.claude/commands/workflow/tools/context-gather.md
index 238522df..d9f24860 100644
--- a/.claude/commands/workflow/tools/context-gather.md
+++ b/.claude/commands/workflow/tools/context-gather.md
@@ -237,7 +237,7 @@ Execute complete context-search-agent workflow for implementation planning:
 ### Phase 1: Initialization & Pre-Analysis
 1. **Project State Loading**: Read and parse `.workflow/project.json`. Use its `overview` section as the foundational `project_context`. This is your primary source for architecture, tech stack, and key components. If file doesn't exist, proceed with fresh analysis.
 2. **Detection**: Check for existing context-package (early exit if valid)
-3. **Foundation**: Initialize code-index, get project structure, load docs
+3. **Foundation**: Initialize CodexLens, get project structure, load docs
 4. **Analysis**: Extract keywords, determine scope, classify complexity based on task description and project state
 
 ### Phase 2: Multi-Source Context Discovery
diff --git a/.claude/commands/workflow/tools/task-generate-tdd.md b/.claude/commands/workflow/tools/task-generate-tdd.md
index 177eae6c..832a3eb7 100644
--- a/.claude/commands/workflow/tools/task-generate-tdd.md
+++ b/.claude/commands/workflow/tools/task-generate-tdd.md
@@ -113,7 +113,7 @@ Phase 2: Agent Execution (Document Generation)
     // Existing test patterns and coverage analysis
   },
   "mcp_capabilities": {
-    "code_index": true,
+    "codex_lens": true,
     "exa_code": true,
     "exa_web": true
   }
@@ -338,7 +338,7 @@ Generate all three documents and report completion status:
 - TDD cycles configured: N cycles with quantified test cases
 - Artifacts integrated: synthesis-spec, guidance-specification, N role analyses
 - Test context integrated: existing patterns and coverage
-- MCP enhancements: code-index, exa-research
+- MCP enhancements: CodexLens, exa-research
 - Session ready for TDD execution: /workflow:execute
 `
 )
diff --git a/.claude/skills/command-guide/reference/agents/context-search-agent.md b/.claude/skills/command-guide/reference/agents/context-search-agent.md
index 740006f1..71214908 100644
--- a/.claude/skills/command-guide/reference/agents/context-search-agent.md
+++ b/.claude/skills/command-guide/reference/agents/context-search-agent.md
@@ -44,19 +44,19 @@ You are a context discovery specialist focused on gathering relevant project inf
 **Use**: Unfamiliar APIs/libraries/patterns
 
 ### 3. Existing Code Discovery
-**Primary (Code-Index MCP)**:
-- `mcp__code-index__set_project_path()` - Initialize index
-- `mcp__code-index__find_files(pattern)` - File pattern matching
-- `mcp__code-index__search_code_advanced()` - Content search
-- `mcp__code-index__get_file_summary()` - File structure analysis
-- `mcp__code-index__refresh_index()` - Update index
+**Primary (CCW CodexLens MCP)**:
+- `mcp__ccw-tools__codex_lens(action="init", path=".")` - Initialize index
+- `mcp__ccw-tools__codex_lens(action="search", query="pattern")` - Content search
+- `mcp__ccw-tools__codex_lens(action="search_files", query="pattern")` - File search (paths only)
+- `mcp__ccw-tools__codex_lens(action="symbol", file="path")` - File structure analysis
+- `mcp__ccw-tools__codex_lens(action="update", files=[...])` - Update specific files
 
 **Fallback (CLI)**:
 - `rg` (ripgrep) - Fast content search
 - `find` - File discovery
 - `Grep` - Pattern matching
 
-**Priority**: Code-Index MCP > ripgrep > find > grep
+**Priority**: CodexLens MCP > ripgrep > find > grep
 
 ## Simplified Execution Process (3 Phases)
 
@@ -77,9 +77,8 @@ if (file_exists(contextPackagePath)) {
 
 **1.2 Foundation Setup**:
 ```javascript
-// 1. Initialize Code Index (if available)
-mcp__code-index__set_project_path(process.cwd())
-mcp__code-index__refresh_index()
+// 1. Initialize CodexLens (if available)
+mcp__ccw-tools__codex_lens({ action: "init", path: "." })
 
 // 2. Project Structure
 bash(ccw tool exec get_modules_by_depth '{}')
@@ -212,18 +211,18 @@ mcp__exa__web_search_exa({
 
 **Layer 1: File Pattern Discovery**
 ```javascript
-// Primary: Code-Index MCP
-const files = mcp__code-index__find_files("*{keyword}*")
+// Primary: CodexLens MCP
+const files = mcp__ccw-tools__codex_lens({ action: "search_files", query: "*{keyword}*" })
 // Fallback: find . -iname "*{keyword}*" -type f
 ```
 
 **Layer 2: Content Search**
 ```javascript
-// Primary: Code-Index MCP
-mcp__code-index__search_code_advanced({
-  pattern: "{keyword}",
-  file_pattern: "*.ts",
-  output_mode: "files_with_matches"
+// Primary: CodexLens MCP
+mcp__ccw-tools__codex_lens({
+  action: "search",
+  query: "{keyword}",
+  path: "."
 })
 // Fallback: rg "{keyword}" -t ts --files-with-matches
 ```
@@ -231,11 +230,10 @@ mcp__code-index__search_code_advanced({
 **Layer 3: Semantic Patterns**
 ```javascript
 // Find definitions (class, interface, function)
-mcp__code-index__search_code_advanced({
-  pattern: "^(export )?(class|interface|type|function) .*{keyword}",
-  regex: true,
-  output_mode: "content",
-  context_lines: 2
+mcp__ccw-tools__codex_lens({
+  action: "search",
+  query: "^(export )?(class|interface|type|function) .*{keyword}",
+  path: "."
 })
 ```
 
@@ -243,21 +241,22 @@ mcp__code-index__search_code_advanced({
 ```javascript
 // Get file summaries for imports/exports
 for (const file of discovered_files) {
-  const summary = mcp__code-index__get_file_summary(file)
-  // summary: {imports, functions, classes, line_count}
+  const summary = mcp__ccw-tools__codex_lens({ action: "symbol", file: file })
+  // summary: {symbols: [{name, type, line}]}
 }
 ```
 
 **Layer 5: Config & Tests**
 ```javascript
 // Config files
-mcp__code-index__find_files("*.config.*")
-mcp__code-index__find_files("package.json")
+mcp__ccw-tools__codex_lens({ action: "search_files", query: "*.config.*" })
+mcp__ccw-tools__codex_lens({ action: "search_files", query: "package.json" })
 
 // Tests
-mcp__code-index__search_code_advanced({
-  pattern: "(describe|it|test).*{keyword}",
-  file_pattern: "*.{test,spec}.*"
+mcp__ccw-tools__codex_lens({
+  action: "search",
+  query: "(describe|it|test).*{keyword}",
+  path: "."
 })
 ```
 
@@ -560,14 +559,14 @@ Output: .workflow/session/{session}/.process/context-package.json
 - Expose sensitive data (credentials, keys)
 - Exceed file limits (50 total)
 - Include binaries/generated files
-- Use ripgrep if code-index available
+- Use ripgrep if CodexLens available
 
 **ALWAYS**:
-- Initialize code-index in Phase 0
+- Initialize CodexLens in Phase 0
 - Execute get_modules_by_depth.sh
 - Load CLAUDE.md/README.md (unless in memory)
 - Execute all 3 discovery tracks
-- Use code-index MCP as primary
+- Use CodexLens MCP as primary
 - Fallback to ripgrep only when needed
 - Use Exa for unfamiliar APIs
 - Apply multi-factor scoring
diff --git a/.claude/skills/command-guide/reference/agents/test-context-search-agent.md b/.claude/skills/command-guide/reference/agents/test-context-search-agent.md
index 6da3f521..b93134e2 100644
--- a/.claude/skills/command-guide/reference/agents/test-context-search-agent.md
+++ b/.claude/skills/command-guide/reference/agents/test-context-search-agent.md
@@ -36,17 +36,17 @@ You are a test context discovery specialist focused on gathering test coverage i
 **Use**: Phase 1 source context loading
 
 ### 2. Test Coverage Discovery
-**Primary (Code-Index MCP)**:
-- `mcp__code-index__find_files(pattern)` - Find test files (*.test.*, *.spec.*)
-- `mcp__code-index__search_code_advanced()` - Search test patterns
-- `mcp__code-index__get_file_summary()` - Analyze test structure
+**Primary (CCW CodexLens MCP)**:
+- `mcp__ccw-tools__codex_lens(action="search_files", query="*.test.*")` - Find test files
+- `mcp__ccw-tools__codex_lens(action="search", query="pattern")` - Search test patterns
+- `mcp__ccw-tools__codex_lens(action="symbol", file="path")` - Analyze test structure
 
 **Fallback (CLI)**:
 - `rg` (ripgrep) - Fast test pattern search
 - `find` - Test file discovery
 - `Grep` - Framework detection
 
-**Priority**: Code-Index MCP > ripgrep > find > grep
+**Priority**: CodexLens MCP > ripgrep > find > grep
 
 ### 3. Framework & Convention Analysis
 **Tools**:
@@ -120,9 +120,10 @@ for (const summary_path of summaries) {
 
 **2.1 Existing Test Discovery**:
 ```javascript
-// Method 1: Code-Index MCP (preferred)
-const test_files = mcp__code-index__find_files({
-  patterns: ["*.test.*", "*.spec.*", "*test_*.py", "*_test.go"]
+// Method 1: CodexLens MCP (preferred)
+const test_files = mcp__ccw-tools__codex_lens({
+  action: "search_files",
+  query: "*.test.* OR *.spec.* OR test_*.py OR *_test.go"
 });
 
 // Method 2: Fallback CLI
diff --git a/.claude/skills/command-guide/reference/commands/memory/load.md b/.claude/skills/command-guide/reference/commands/memory/load.md
index be1be51f..e04e252b 100644
--- a/.claude/skills/command-guide/reference/commands/memory/load.md
+++ b/.claude/skills/command-guide/reference/commands/memory/load.md
@@ -39,7 +39,7 @@ The command fully delegates to **universal-executor agent**, which autonomously:
 1. **Analyzes Project Structure**: Executes `get_modules_by_depth.sh` to understand architecture
 2. **Loads Documentation**: Reads CLAUDE.md, README.md and other key docs
 3. **Extracts Keywords**: Derives core keywords from task description
-4. **Discovers Files**: Uses MCP code-index or rg/find to locate relevant files
+4. **Discovers Files**: Uses CodexLens MCP or rg/find to locate relevant files
 5. **CLI Deep Analysis**: Executes Gemini/Qwen CLI for deep context analysis
 6. **Generates Content Package**: Returns structured JSON core content package
 
diff --git a/.claude/skills/command-guide/reference/commands/workflow/tools/context-gather.md b/.claude/skills/command-guide/reference/commands/workflow/tools/context-gather.md
index 238522df..d9f24860 100644
--- a/.claude/skills/command-guide/reference/commands/workflow/tools/context-gather.md
+++ b/.claude/skills/command-guide/reference/commands/workflow/tools/context-gather.md
@@ -237,7 +237,7 @@ Execute complete context-search-agent workflow for implementation planning:
 ### Phase 1: Initialization & Pre-Analysis
 1. **Project State Loading**: Read and parse `.workflow/project.json`. Use its `overview` section as the foundational `project_context`. This is your primary source for architecture, tech stack, and key components. If file doesn't exist, proceed with fresh analysis.
 2. **Detection**: Check for existing context-package (early exit if valid)
-3. **Foundation**: Initialize code-index, get project structure, load docs
+3. **Foundation**: Initialize CodexLens, get project structure, load docs
 4. **Analysis**: Extract keywords, determine scope, classify complexity based on task description and project state
 
 ### Phase 2: Multi-Source Context Discovery
diff --git a/.claude/skills/command-guide/reference/commands/workflow/tools/task-generate-tdd.md b/.claude/skills/command-guide/reference/commands/workflow/tools/task-generate-tdd.md
index 177eae6c..832a3eb7 100644
--- a/.claude/skills/command-guide/reference/commands/workflow/tools/task-generate-tdd.md
+++ b/.claude/skills/command-guide/reference/commands/workflow/tools/task-generate-tdd.md
@@ -113,7 +113,7 @@ Phase 2: Agent Execution (Document Generation)
     // Existing test patterns and coverage analysis
   },
   "mcp_capabilities": {
-    "code_index": true,
+    "codex_lens": true,
     "exa_code": true,
     "exa_web": true
   }
@@ -338,7 +338,7 @@ Generate all three documents and report completion status:
 - TDD cycles configured: N cycles with quantified test cases
 - Artifacts integrated: synthesis-spec, guidance-specification, N role analyses
 - Test context integrated: existing patterns and coverage
-- MCP enhancements: code-index, exa-research
+- MCP enhancements: CodexLens, exa-research
 - Session ready for TDD execution: /workflow:execute
 `
 )
diff --git a/INSTALL.md b/INSTALL.md
index 2ea6a823..64daa3d9 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -171,9 +171,10 @@ MCP (Model Context Protocol) tools provide advanced codebase analysis. **Recomme
 | MCP Server | Purpose | Installation Guide |
 |------------|---------|-------------------|
 | **Exa MCP** | External API patterns & best practices | [Install Guide](https://smithery.ai/server/exa) |
-| **Code Index MCP** | Advanced internal code search | [Install Guide](https://github.com/johnhuang316/code-index-mcp) |
 | **Chrome DevTools MCP** | ⚠️ **Required for UI workflows** - URL mode design extraction | [Install Guide](https://github.com/ChromeDevTools/chrome-devtools-mcp) |
 
+> **Note**: Code Index MCP has been replaced by CCW's built-in **CodexLens** (`mcp__ccw-tools__codex_lens`). No additional installation required for code indexing.
+
 ⚠️ **Note**: Some workflows expect MCP tools to be available. Without them, you may experience:
 - Slower code analysis and search operations
 - Reduced context quality in some scenarios
diff --git a/INSTALL_CN.md b/INSTALL_CN.md
index b30f8d19..db67fbc6 100644
--- a/INSTALL_CN.md
+++ b/INSTALL_CN.md
@@ -201,9 +201,10 @@ MCP 工具从外部来源提供高级上下文检索，增强 AI 的理解能力
 | 工具 | 用途 | 官方源码 |
 |---|---|---|
 | **Exa MCP** | 用于搜索代码和网络。 | [exa-labs/exa-mcp-server](https://github.com/exa-labs/exa-mcp-server) |
-| **Code Index MCP** | 用于索引和搜索本地代码库。 |[johnhuang316/code-index-mcp](https://github.com/johnhuang316/code-index-mcp) |
 | **Chrome DevTools MCP** | 用于与网页交互以提取布局和样式信息。 | [ChromeDevTools/chrome-devtools-mcp](https://github.com/ChromeDevTools/chrome-devtools-mcp) |
 
+> **注意**: Code Index MCP 已被 CCW 内置的 **CodexLens** (`mcp__ccw-tools__codex_lens`) 替代。无需额外安装代码索引工具。
+
 -   **先决条件**: Node.js 和 npm (或兼容的 JavaScript 运行时)。
 -   **验证**: 安装后，检查服务器是否可以启动 (具体请查阅 MCP 文档)。