Metadata-Version: 2.4
Name: tree-sitter-analyzer
Version: 1.9.16
Summary: AI-era enterprise-grade code analysis tool with comprehensive HTML/CSS support, dynamic plugin architecture, and MCP integration
Project-URL: Homepage, https://github.com/aimasteracc/tree-sitter-analyzer
Project-URL: Documentation, https://github.com/aimasteracc/tree-sitter-analyzer#readme
Project-URL: Repository, https://github.com/aimasteracc/tree-sitter-analyzer.git
Project-URL: Issues, https://github.com/aimasteracc/tree-sitter-analyzer/issues
Project-URL: Changelog, https://github.com/aimasteracc/tree-sitter-analyzer/blob/main/CHANGELOG.md
Project-URL: Bug Reports, https://github.com/aimasteracc/tree-sitter-analyzer/issues
Project-URL: Source Code, https://github.com/aimasteracc/tree-sitter-analyzer
Author-email: "aisheng.yu" <aimasteracc@gmail.com>
Maintainer-email: "aisheng.yu" <aimasteracc@gmail.com>
License: MIT
Keywords: ai-tools,ast,code-analysis,css,html,mcp,mcp-server,model-context-protocol,multi-language,parsing,static-analysis,tree-sitter,web-development
Classifier: Development Status :: 4 - Beta
Classifier: Framework :: AsyncIO
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Topic :: Communications
Classifier: Topic :: Scientific/Engineering :: Artificial Intelligence
Classifier: Topic :: Software Development :: Code Generators
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Topic :: Software Development :: Quality Assurance
Classifier: Topic :: Text Processing :: Linguistic
Classifier: Typing :: Typed
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Description-Content-Type: text/markdown

# 🌳 Tree-sitter Analyzer

**English** | **[日本語](README_ja.md)** | **[简体中文](README_zh.md)**

[![Python Version](https://img.shields.io/badge/python-3.10%2B-blue.svg)](https://python.org)
[![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
[![Tests](https://img.shields.io/badge/tests-4668%20passed-brightgreen.svg)](#quality-assurance)
[![Coverage](https://codecov.io/gh/aimasteracc/tree-sitter-analyzer/branch/main/graph/badge.svg)](https://codecov.io/gh/aimasteracc/tree-sitter-analyzer)
[![Quality](https://img.shields.io/badge/quality-enterprise%20grade-blue.svg)](#quality-assurance)
[![PyPI](https://img.shields.io/pypi/v/tree-sitter-analyzer.svg)](https://pypi.org/project/tree-sitter-analyzer/)
[![Version](https://img.shields.io/badge/version-1.9.16-blue.svg)](https://github.com/aimasteracc/tree-sitter-analyzer/releases)
[![zread](https://img.shields.io/badge/Ask_Zread-_.svg?style=flat&color=00b0aa&labelColor=000000&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB3aWR0aD0iMTYiIGhlaWdodD0iMTYiIHZpZXdCb3g9IjAgMCAxNiAxNiIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTQuOTYxNTYgMS42MDAxSDIuMjQxNTZDMS44ODgxIDEuNjAwMSAxLjYwMTU2IDEuODg2NjQgMS42MDE1NiAyLjI0MDFWNC45NjAxQzEuNjAxNTYgNS4zMTM1NiAxLjg4ODEgNS42MDAxIDIuMjQxNTYgNS42MDAxSDQuOTYxNTZDNS4zMTUwMiA1LjYwMDEgNS42MDE1NiA1LjMxMzU2IDUuNjAxNTYgNC45NjAxVjIuMjQwMUM1LjYwMTU2IDEuODg2NjQgNS4zMTUwMiAxLjYwMDEgNC45NjE1NiAxLjYwMDFaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00Ljk2MTU2IDEwLjM5OTlIMi4yNDE1NkMxLjg4ODEgMTAuMzk5OSAxLjYwMTU2IDEwLjY4NjQgMS42MDE1NiAxMS4wMzk5VjEzLjc1OTlDMS42MDE1NiAxNC4xMTM0IDEuODg4MSAxNC4zOTk5IDIuMjQxNTYgMTQuMzk5OUg0Ljk2MTU2QzUuMzE1MDIgMTQuMzk5OSA1LjYwMTU2IDE0LjExMzQgNS42MDE1NiAxMy43NTk5VjExLjAzOTlDNS42MDE1NiAxMC42ODY0IDUuMzE1MDIgMTAuMzk5OSA0Ljk2MTU2IDEwLjM5OTlaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik0xMy43NTg0IDEuNjAwMUgxMS4wMzg0QzEwLjY4NSAxLjYwMDEgMTAuMzk4NCAxLjg4NjY0IDEwLjM5ODQgMi4yNDAxVjQuOTYwMUMxMC4zOTg0IDUuMzEzNTYgMTAuNjg1IDUuNjAwMSAxMS4wMzg0IDUuNjAwMUgxMy43NTg0QzE0LjExMTkgNS42MDAxIDE0LjM5ODQgNS4zMTM1NiAxNC4zOTg0IDQuOTYwMVYyLjI0MDFDMTQuMzk4NCAxLjg4NjY0IDE0LjExMTkgMS42MDAxIDEzLjc1ODQgMS42MDAxWiIgZmlsbD0iI2ZmZiIvPgo8cGF0aCBkPSJNNCAxMkwxMiA0TDQgMTJaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00IDEyTDEyIDQiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIvPgo8L3N2Zz4K&logoColor=ffffff)](https://zread.ai/aimasteracc/tree-sitter-analyzer)
[![GitHub Stars](https://img.shields.io/github/stars/aimasteracc/tree-sitter-analyzer.svg?style=social)](https://github.com/aimasteracc/tree-sitter-analyzer)

## 🚀 Enterprise-Grade Code Analysis Tool for the AI Era

> **Deep AI Integration · Powerful File Search · Multilingual Support · Intelligent Code Analysis**

## 📋 Table of Contents

- [1. 💡 Project Features](#1--project-features)
- [2. 📋 Prerequisites (Required for All Users)](#2--prerequisites-required-for-all-users)
- [3. 🚀 Quick Start](#3--quick-start)
  - [3.1 🤖 AI Users (Claude Desktop, Cursor, etc.)](#31--ai-users-claude-desktop-cursor-etc)
  - [3.2 💻 CLI Users (Command Line Tools)](#32--cli-users-command-line-tools)
  - [3.3 👨‍💻 Developers (Source Code Development)](#33--developers-source-code-development)
- [4. 📖 Usage Workflow & Examples](#4--usage-workflow--examples)
  - [4.1 🔄 AI Assistant SMART Workflow](#41--ai-assistant-smart-workflow)
- [5. 🤖 Complete MCP Tool List](#5--complete-mcp-tool-list)
- [6. ⚡ Complete CLI Commands](#6--complete-cli-commands)
- [7. 🛠️ Core Features](#7-️-core-features)
- [8. 🏆 Quality Assurance](#8--quality-assurance)
- [9. 📚 Documentation & Support](#9--documentation--support)
- [10. 🤝 Contributing & License](#10--contributing--license)

---

## 1. 💡 Project Features

Tree-sitter Analyzer is an enterprise-grade code analysis tool designed for the AI era, providing:

| Feature Category | Key Capabilities | Core Benefits |
|------------------|------------------|---------------|
| **🤖 Deep AI Integration** | • MCP Protocol Support<br>• SMART Workflow<br>• Token Limitation Breaking<br>• Natural Language Interaction | Native support for Claude Desktop, Cursor, Roo Code<br>Systematic AI-assisted methodology<br>Handle code files of any size<br>Complex analysis via natural language |
| **🔍 Powerful Search** | • Intelligent File Discovery<br>• Precise Content Search<br>• Two-Stage Search<br>• Project Boundary Protection | fd-based high-performance search<br>ripgrep regex content search<br>Combined file + content workflow<br>Automatic security boundaries |
| **📊 Intelligent Analysis** | • Fast Structure Analysis<br>• Precise Code Extraction<br>• Complexity Analysis<br>• Unified Element System | Architecture understanding without full read<br>Line-range code snippet extraction<br>Cyclomatic complexity metrics<br>Revolutionary element management |

### 🌍 Enterprise Multi-language Support

| Programming Language | Support Level | Key Features |
|---------------------|---------------|--------------|
| **Java** | Complete Support | Spring framework, JPA, enterprise features |
| **Python** | Complete Support | Type annotations, decorators, modern Python features |
| **C#** | Complete Support | Classes, interfaces, records, properties, async/await, attributes, modern C# features |
| **PHP** | 🆕 Complete Support | Classes, interfaces, traits, enums, namespaces, attributes, magic methods, modern PHP 8+ features |
| **Ruby** | 🆕 Complete Support | Classes, modules, mixins, blocks, procs, lambdas, metaprogramming, Rails patterns |
| **SQL** | Enhanced Complete Support | Tables, views, stored procedures, functions, triggers, indexes with specialized output formatting |
| **JavaScript** | Complete Support | ES6+, React/Vue/Angular, JSX |
| **TypeScript** | Complete Support | Interfaces, types, decorators, TSX/JSX, framework detection |
| **HTML** | Complete Support | DOM structure analysis, element classification, attribute extraction, hierarchical relationships |
| **CSS** | Complete Support | Selector analysis, property classification, style rule extraction, intelligent categorization |
| **Markdown** | Complete Support | Headers, code blocks, links, images, tables, task lists, blockquotes |

**Note:** Currently, only the above 11 languages have complete plugin implementations. Languages such as C/C++, Rust, Go, JSON are defined in `LanguageDetector` but do not have functional plugin implementations at this time.

### 🏆 Production Ready
- **4,668 Tests** - 100% pass rate, enterprise-grade quality assurance
- **High Coverage** - Comprehensive test coverage
- **Cross-platform Support** - Compatible with Windows, macOS, Linux
- **Continuous Maintenance** - Active development and community support

---

## 2. 📋 Prerequisites (Required for All Users)

Regardless of whether you are an AI user, CLI user, or developer, you need to install the following tools first:

### 1️⃣ Install uv (Required - for running tools)

**uv** is a fast Python package manager used to run tree-sitter-analyzer.

```bash
# macOS/Linux
curl -LsSf https://astral.sh/uv/install.sh | sh

# Windows PowerShell
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
```

**Verify installation:**
```bash
uv --version
```

### 2️⃣ Install fd and ripgrep (Required for search functionality)

**fd** and **ripgrep** are high-performance file search and content search tools used for advanced MCP functionality.

| Operating System | Package Manager | Installation Command | Notes |
|-----------------|----------------|---------------------|-------|
| **macOS** | Homebrew | `brew install fd@10.3.0 ripgrep@14.1.1` | Recommended |
| **Windows** | winget | `winget install sharkdp.fd --version 10.3.0` <br> `winget install BurntSushi.ripgrep.MSVC --version 14.1.1` | Recommended |
| | Chocolatey | `choco install fd --version 10.3.0` <br> `choco install ripgrep --version 14.1.1` | Alternative |
| | Scoop | `scoop install fd@10.3.0 ripgrep@14.1.1` | Alternative |
| **Ubuntu/Debian** | apt | `sudo apt install fd-find=10.3.0* ripgrep=14.1.1*` | Official repository |
| **CentOS/RHEL/Fedora** | dnf | `sudo dnf install fd-find-10.3.0 ripgrep-14.1.1` | Official repository |
| **Arch Linux** | pacman | `sudo pacman -S fd=10.3.0 ripgrep=14.1.1` | Official repository |

**Verify installation:**
```bash
fd --version
rg --version
```

> **⚠️ Important Note:** 
> - **uv** is required for running all functionality
> - **fd** and **ripgrep** are required for using advanced file search and content analysis features
> - If fd and ripgrep are not installed, basic code analysis functionality will still be available, but file search features will not work

---

## 🎉 What's New in v1.9.10

### PHP & Ruby Language Support Added! 🆕

We're excited to announce **complete PHP and Ruby language support** with modern features:

#### PHP Support
- **Type Extraction**: Classes, interfaces, traits, enums, namespaces
- **Member Analysis**: Methods, constructors, properties, constants, magic methods
- **Modern PHP Features**: 
  - PHP 8+ attributes
  - Readonly properties
  - Typed properties and return types
  - Enums with methods
  - Named arguments support
- **Advanced Analysis**: Tree-sitter query support for complex code patterns
- **Flexible Output Formats**: Full table, compact table, and CSV formats

#### Ruby Support
- **Type Extraction**: Classes, modules, mixins
- **Member Analysis**: Instance methods, class methods, singleton methods, attribute accessors
- **Ruby Features**:
  - Blocks, procs, and lambdas
  - Metaprogramming patterns
  - Rails-specific patterns
  - Module inclusion and extension
  - Class and instance variables
- **Advanced Analysis**: Tree-sitter query support for Ruby idioms

Perfect for web developers and AI assistants working with PHP (Laravel, Symfony, WordPress) and Ruby (Rails) codebases!

### C# Language Support Added!

Complete C# language support with modern features:

- **Type Extraction**: Classes, interfaces, records, enums, structs
- **Member Analysis**: Methods, constructors, properties, fields, constants, events
- **Modern C# Features**: 
  - C# 8+ nullable reference types
  - C# 9+ records
  - Async/await pattern detection
  - Attribute (annotation) extraction
  - Generic types support
- **Advanced Analysis**: Tree-sitter query support for complex code patterns
- **Flexible Output Formats**: Full table, compact table, and CSV formats
- **Full Integration**: Available in CLI, API, and MCP interfaces

Perfect for .NET developers and AI assistants working with C# codebases!

---

## 3. 🚀 Quick Start

### 3.1 🤖 AI Users (Claude Desktop, Cursor, etc.)

**For:** Users who use AI assistants (such as Claude Desktop, Cursor) for code analysis

#### ⚙️ Configuration Steps

**Claude Desktop Configuration:**

1. Find the configuration file location:
   - **Windows**: `%APPDATA%\Claude\claude_desktop_config.json`
   - **macOS**: `~/Library/Application Support/Claude/claude_desktop_config.json`
   - **Linux**: `~/.config/claude/claude_desktop_config.json`

2. Add the following configuration:

**Basic Configuration (Recommended - auto-detect project path):**
```json
{
  "mcpServers": {
    "tree-sitter-analyzer": {
      "command": "uv",
      "args": [
        "run", "--with", "tree-sitter-analyzer[mcp]",
        "python", "-m", "tree_sitter_analyzer.mcp.server"
      ],
      "env": {
        "TREE_SITTER_OUTPUT_PATH": "/absolute/path/to/output/directory"
      }
    }
  }
}
```

**Advanced Configuration (manually specify project path):**
```json
{
  "mcpServers": {
    "tree-sitter-analyzer": {
      "command": "uv",
      "args": [
        "run", "--with", "tree-sitter-analyzer[mcp]",
        "python", "-m", "tree_sitter_analyzer.mcp.server"
      ],
      "env": {
        "TREE_SITTER_PROJECT_ROOT": "/absolute/path/to/your/project",
        "TREE_SITTER_OUTPUT_PATH": "/absolute/path/to/output/directory"
      }
    }
  }
}
```

3. Restart AI client

4. Start using! Tell the AI:
   ```
   Please set the project root directory to: /path/to/your/project
   ```

**Other AI Clients:**
- **Cursor**: Built-in MCP support, refer to Cursor documentation for configuration
- **Roo Code**: Supports MCP protocol, use the same configuration format
- **Other MCP-compatible clients**: Use the same server configuration


---

### 3.2 💻 CLI Users (Command Line Tools)

**For:** Developers who prefer using command line tools

#### 📦 Installation

```bash
# Basic installation
uv add tree-sitter-analyzer

# Popular language packages (recommended)
uv add "tree-sitter-analyzer[popular]"

# Complete installation (including MCP support)
uv add "tree-sitter-analyzer[all,mcp]"
```

#### ⚡ Quick Experience

```bash
# View help
uv run tree-sitter-analyzer --help

# Analyze large file scale (1419 lines completed instantly)
uv run tree-sitter-analyzer examples/BigService.java --advanced --output-format text

# Generate detailed structure table for code files
uv run tree-sitter-analyzer examples/BigService.java --table full

# 🆕 HTML/CSS analysis with new architecture
uv run tree-sitter-analyzer examples/comprehensive_sample.html --table full
uv run tree-sitter-analyzer examples/comprehensive_sample.css --advanced --output-format text
uv run tree-sitter-analyzer examples/comprehensive_sample.html --structure

# 🆕 SQL database analysis with specialized formatting
uv run tree-sitter-analyzer examples/sample_database.sql --table full
uv run tree-sitter-analyzer examples/sample_database.sql --table compact
uv run tree-sitter-analyzer examples/sample_database.sql --advanced --output-format text

# Precise code extraction
uv run tree-sitter-analyzer examples/BigService.java --partial-read --start-line 93 --end-line 106
```

---

### 3.3 👨‍💻 Developers (Source Code Development)

**For:** Developers who need to modify source code or contribute code

#### 🛠️ Development Environment Setup

```bash
# Clone repository
git clone https://github.com/aimasteracc/tree-sitter-analyzer.git
cd tree-sitter-analyzer

# Install dependencies
uv sync --extra all --extra mcp

# Run tests
uv run pytest tests/ -v

# Generate coverage report
uv run pytest tests/ --cov=tree_sitter_analyzer --cov-report=html
```

#### 🔍 Code Quality Checks

```bash
# AI-generated code checks
uv run python llm_code_checker.py --check-all

# Quality checks
uv run python check_quality.py --new-code-only
```

---

## 4. 📖 Usage Workflow & Examples

### 4.1 🔄 AI Assistant SMART Workflow

The SMART workflow is the recommended process for analyzing code using AI assistants. The following demonstrates the complete process using `examples/BigService.java` (a large service class with 1419 lines):

- **S** (Set): Set project root directory
- **M** (Map): Precisely map target files
- **A** (Analyze): Analyze core structure
- **R** (Retrieve): Retrieve key code
- **T** (Trace): Trace dependencies

---

#### **S - Set Project (First Step)**

**Tell the AI:**
```
Please set the project root directory to: C:\git-public\tree-sitter-analyzer
```

**AI will automatically call** the `set_project_path` tool.

> 💡 **Tip**: You can also pre-set this through the environment variable `TREE_SITTER_PROJECT_ROOT` in MCP configuration.

---

#### **M - Map Target Files (Find files to analyze)**

**Scenario 1: Don't know where the file is, search first**

```
Find all Java files containing "BigService" in the project
```

**AI will call** the `find_and_grep` tool and return showing 8 matches in BigService.java.

**Scenario 2: Known file path, use directly**
```
I want to analyze the file examples/BigService.java
```

---

#### **A - Analyze Core Structure (Understand file scale and organization)**

**Tell the AI:**
```
Please analyze the structure of examples/BigService.java, I want to know how big this file is and what main components it contains
```

**AI will call** the `analyze_code_structure` tool and return:
```json
{
  "file_path": "examples/BigService.java",
  "language": "java",
  "metrics": {
    "lines_total": 1419,
    "lines_code": 906,
    "lines_comment": 246,
    "lines_blank": 267,
    "elements": {
      "classes": 1,
      "methods": 66,
      "fields": 9,
      "imports": 8,
      "packages": 1,
      "total": 85
    },
    "complexity": {
      "total": 348,
      "average": 5.27,
      "max": 15
    }
  }
}
```

**Key Information:**

- File has **1419 lines** total
- Contains **1 class**, **66 methods**, **9 fields**, **1 package**, **total 85 elements**

---

#### **R - Retrieve Key Code (Deep understanding of specific implementations)**

**Scenario 1: View complete structure table**
```
Please generate a detailed structure table for examples/BigService.java, I want to see a list of all methods
```

**AI will generate a Markdown table containing:**

- Class information: package name, type, visibility, line range
- Field list: 9 fields (DEFAULT_ENCODING, MAX_RETRY_COUNT, etc.)
- Constructor: BigService()
- Public methods: 19 (authenticateUser, createSession, generateReport, etc.)
- Private methods: 47 (initializeService, checkMemoryUsage, etc.)

**Scenario 2: Extract specific code snippet**
```
Please extract lines 93-106 from examples/BigService.java, I want to see the specific implementation of memory checking
```

**AI will call** the `extract_code_section` tool and return the code for the checkMemoryUsage method.

---

#### **T - Trace Dependencies (Understand code relationships)**

**Scenario 1: Find all authentication-related methods**
```
Find all methods related to authentication (auth) in examples/BigService.java
```

**AI will call query filtering** and return the authenticateUser method code (lines 141-172).

**Scenario 2: Find entry points**
```
Where is the main method in this file? What does it do?
```

**AI will locate:**

- **Location**: Lines 1385-1418
- **Function**: Demonstrates various features of BigService (authentication, sessions, customer management, report generation, performance monitoring, security checks)

**Scenario 3: Understand method call relationships**
```
Which methods call the authenticateUser method?
```

**AI will search the code** and find the call in the `main` method:
```java
service.authenticateUser("testuser", "password123");
```

---

### 💡 SMART Workflow Best Practices

1. **Natural language first**: Describe your needs in natural language, and AI will automatically select appropriate tools
2. **Step-by-step approach**: First understand the overall structure (A), then dive into specific code (R)
3. **Use tracking when needed**: Only use tracking (T) when you need to understand complex relationships
4. **Combined usage**: You can combine multiple steps in one conversation

**Complete example conversation:**
```
I want to understand the large file examples/BigService.java:
1. How big is it? What main features does it contain?
2. How is the authentication feature implemented?
3. What public API methods are available?
```

AI will automatically:
1. Analyze file structure (1419 lines, 66 methods)
2. Locate and extract the `authenticateUser` method (lines 141-172)
3. Generate list of public methods (19 public methods)

**HTML/CSS Analysis Example:**
```
I want to analyze the HTML structure of index.html:
1. What HTML elements are present and how are they organized?
2. What CSS rules are defined and what properties do they set?
3. How are the elements classified (structure, media, form)?
```

AI will automatically:
1. Extract HTML elements with tag names, attributes, and classification
2. Analyze CSS selectors and properties with intelligent categorization
3. Generate structured tables showing DOM hierarchy and style rules

**SQL Database Analysis Example:**
```
I want to analyze the database schema in sample_database.sql:
1. What tables, views, and stored procedures are defined?
2. What are the relationships between different database objects?
3. Show me the database structure in a professional format.
```

AI will automatically:
1. Extract all SQL elements (tables, views, procedures, functions, triggers, indexes)
2. Display database-specific terminology ("Database Schema Overview" instead of "Classes Overview")
3. Generate professional database documentation with specialized SQL formatting

---

## 5. 🤖 Complete MCP Tool List

Tree-sitter Analyzer provides a rich set of MCP tools designed for AI assistants:

| Tool Category | Tool Name | Main Function | Core Features |
|-------------|---------|---------|---------|
| **📊 Code Analysis** | `check_code_scale` | Fast code file scale analysis | File size statistics, line count statistics, complexity analysis, performance metrics |
| | `analyze_code_structure` | Code structure analysis and table generation | 🆕 suppress_output parameter, multiple formats (full/compact/csv), automatic language detection |
| | `extract_code_section` | Precise code section extraction | Specified line range extraction, large file efficient processing, original format preservation |
| **🔍 Intelligent Search** | `list_files` | High-performance file discovery | fd-based, glob patterns, file type filters, time range control |
| | `search_content` | Regex content search | ripgrep-based, multiple output formats, context control, encoding handling, 🆕 parallel processing engine, unified `set_project_path` support |
| | `find_and_grep` | Two-stage search | File discovery → content search, fd+ripgrep combination, intelligent cache optimization, 🆕 unified `set_project_path` support |
| **🔧 Advanced Queries** | `query_code` | tree-sitter queries | Predefined query keys, custom query strings, filter expression support |
| **⚙️ System Management** | `set_project_path` | Project root path setting | Security boundary control, automatic path validation, 🆕 unified across all MCP tools |
| **📁 Resource Access** | Code file resources | URI code file access | File content access via URI identification |
| | Project statistics resources | Project statistics data access | Project analysis data and statistical information |

---

## 6. ⚡ Complete CLI Commands

#### 📊 Code Structure Analysis Commands

```bash
# Quick analysis (show summary information)
uv run tree-sitter-analyzer examples/BigService.java --summary

# Detailed analysis (show complete structure)
uv run tree-sitter-analyzer examples/BigService.java --structure

# Advanced analysis (including complexity metrics)
uv run tree-sitter-analyzer examples/BigService.java --advanced

# Generate complete structure table
uv run tree-sitter-analyzer examples/BigService.java --table full

# 🆕 HTML/CSS analysis with new architecture
uv run tree-sitter-analyzer examples/comprehensive_sample.html --table full
uv run tree-sitter-analyzer examples/comprehensive_sample.css --table full
uv run tree-sitter-analyzer examples/comprehensive_sample.html --advanced
uv run tree-sitter-analyzer examples/comprehensive_sample.css --advanced

# 🆕 SQL database analysis with specialized formatting
uv run tree-sitter-analyzer examples/sample_database.sql --table full
uv run tree-sitter-analyzer examples/sample_database.sql --table compact
uv run tree-sitter-analyzer examples/sample_database.sql --table csv
uv run tree-sitter-analyzer examples/sample_database.sql --advanced --output-format text

# Specify output format
uv run tree-sitter-analyzer examples/BigService.java --advanced --output-format json
uv run tree-sitter-analyzer examples/BigService.java --advanced --output-format text

# Precise code extraction
uv run tree-sitter-analyzer examples/BigService.java --partial-read --start-line 93 --end-line 106

# Specify programming language
uv run tree-sitter-analyzer script.py --language python --table full
```

#### 🔍 Query and Filter Commands

```bash
# Query specific elements
uv run tree-sitter-analyzer examples/BigService.java --query-key methods
uv run tree-sitter-analyzer examples/BigService.java --query-key classes

# 🆕 v1.8.2 Correct Usage Examples
# Correct: Use --query-key with --filter combination
uv run tree-sitter-analyzer examples/BigService.java --query-key methods --filter "name=main"

# Correct: Generate complete structure table
uv run tree-sitter-analyzer examples/BigService.java --table full

# 🚫 v1.8.2 Incorrect Usage Examples (will show error)
# Incorrect: Using --table and --query-key together (exclusive parameters)
# uv run python -m tree_sitter_analyzer examples/BigService.java --table full --query-key methods
# Error message: "--table and --query-key cannot be used together. Use --query-key with --filter instead."

# Filter query results
# Find specific methods
uv run python -m tree_sitter_analyzer examples/BigService.java --query-key methods --filter "name=main"

# Find authentication-related methods (pattern matching)
uv run python -m tree_sitter_analyzer examples/BigService.java --query-key methods --filter "name=~auth*"

# Find public methods with no parameters (compound conditions)
uv run python -m tree_sitter_analyzer examples/BigService.java --query-key methods --filter "params=0,public=true"

# Find static methods
uv run python -m tree_sitter_analyzer examples/BigService.java --query-key methods --filter "static=true"

# View filter syntax help
uv run python -m tree_sitter_analyzer --filter-help
```

#### 🔒 Security Features

v1.8.2 enhanced security features ensure file access safety:

```bash
# ✅ Secure project boundary protection
# Tools automatically detect and respect project boundaries, preventing access to sensitive files outside the project

# ✅ Test environment temporary directory access
# In test environments, allows access to temporary directories to support test cases

# ✅ Proper CLI argument validation
# System validates parameter combination validity, preventing invalid command execution

# Example: Secure file analysis
uv run python -m tree_sitter_analyzer examples/BigService.java --advanced
# ✅ Allowed: File is within project directory

# uv run python -m tree_sitter_analyzer /etc/passwd --advanced
# ❌ Denied: File is outside project boundary (security protection)
```

#### 📁 File System Operation Commands

```bash
# List files
uv run list-files . --extensions java
uv run list-files . --pattern "test_*" --extensions java --types f
uv run list-files . --types f --size "+1k" --changed-within "1week"

# Search content
uv run search-content --roots . --query "class.*extends" --include-globs "*.java"
uv run search-content --roots tests --query "TODO|FIXME" --context-before 2 --context-after 2
uv run search-content --files examples/BigService.java examples/Sample.java --query "public.*method" --case insensitive

# Two-stage search (first find files, then search content)
uv run find-and-grep --roots . --query "@SpringBootApplication" --extensions java
uv run find-and-grep --roots examples --query "import.*SQLException" --extensions java --file-limit 10 --max-count 5
uv run find-and-grep --roots . --query "public.*static.*void" --extensions java --types f --size "+1k" --output-format json
```

#### ℹ️ Information Query Commands

```bash
# Show help
uv run python -m tree_sitter_analyzer --help

# List supported query keys
uv run python -m tree_sitter_analyzer --list-queries

# Show supported languages
uv run python -m tree_sitter_analyzer --show-supported-languages

# Show supported extensions
uv run python -m tree_sitter_analyzer --show-supported-extensions

# Show common queries
uv run python -m tree_sitter_analyzer --show-common-queries

# Show query language support
uv run python -m tree_sitter_analyzer --show-query-languages

#### 🗄️ SQL Cross-Platform Commands

```bash
# Show current platform SQL parsing capabilities
uv run tree-sitter-analyzer --sql-platform-info

# Record a custom SQL parsing profile for your environment
uv run tree-sitter-analyzer --record-sql-profile

# Compare two SQL profiles to identify differences
uv run tree-sitter-analyzer --compare-sql-profiles windows-3.13 linux-3.10
```

---

## 7. 🛠️ Core Features

| Feature Category | Feature Name | Core Capabilities | Technical Advantages |
|------------------|--------------|-------------------|---------------------|
| **📊 Code Structure Analysis** | Intelligent Parsing Engine | Class, method, and field statistics<br>Package information and import dependencies<br>Complexity metrics (cyclomatic complexity)<br>Precise line number positioning | Tree-sitter based high-precision parsing<br>Large enterprise codebase support<br>Real-time performance optimization |
| **✂️ Intelligent Code Extraction** | Precision Extraction Tool | Precise extraction by line range<br>Preserves original formatting and indentation<br>Includes position metadata<br>Efficient processing of large files | Zero-loss format preservation<br>Memory-optimized algorithms<br>Streaming processing support |
| **🔍 Advanced Query Filtering** | Multi-dimensional Filters | **Exact match**: `--filter "name=main"`<br>**Pattern match**: `--filter "name=~auth*"`<br>**Parameter filter**: `--filter "params=2"`<br>**Modifier filter**: `--filter "static=true,public=true"`<br>**Compound conditions**: Combine multiple conditions for precise queries | Flexible query syntax<br>High-performance indexing<br>Intelligent caching mechanisms |
| **🔗 AI Assistant Integration** | MCP Protocol Support | **Claude Desktop** - Full MCP support<br>**Cursor IDE** - Built-in MCP integration<br>**Roo Code** - MCP protocol support<br>**Other MCP-compatible tools** - Universal MCP server | Standard MCP protocol<br>Plug-and-play design<br>Cross-platform compatibility |
| **🌍 Multi-language Support** | Enterprise Language Engine | **Java** - Complete support, including Spring, JPA frameworks<br>**Python** - Complete support, including type annotations, decorators<br>**SQL** - **🆕 Enhanced Complete Support**, including tables, views, stored procedures, functions, triggers, indexes with specialized database-focused output formatting<br>**JavaScript** - Enterprise-grade support, including ES6+, React/Vue/Angular, JSX<br>**TypeScript** - **Complete support**, including interfaces, types, decorators, TSX/JSX, framework detection<br>**HTML** - **🆕 Complete support**, including DOM structure, element classification, attribute extraction<br>**CSS** - **🆕 Complete support**, including selector analysis, property classification, style rules<br>**Markdown** - **Complete support**, including headers, code blocks, links, images, tables, task lists, blockquotes<br><br>**Note**: Currently 8 languages have complete plugin implementations (Java, Python, SQL, JavaScript, TypeScript, HTML, CSS, Markdown). Languages such as C/C++, Rust, Go are defined but not yet implemented. | Framework-aware parsing<br>Syntax extension support<br>Continuous language updates |
| **📁 Advanced File Search** | fd+ripgrep Integration | **ListFilesTool** - Intelligent file discovery with multiple filtering conditions<br>**SearchContentTool** - Intelligent content search using regular expressions<br>**FindAndGrepTool** - Combined discovery and search, two-stage workflow | Rust-based high-performance tools<br>Parallel processing capabilities<br>Intelligent cache optimization |
| **🖥️ Cross-Platform SQL** | Adaptive Parsing Engine | **Platform Detection** - Auto-detects OS quirks<br>**Profile Recording** - Captures local behavior<br>**Smart Adaptation** - Normalizes AST differences | Write once, parse everywhere<br>Zero-config defaults<br>Self-healing capabilities |
| **🏗️ Unified Element System** | Revolutionary Architecture Design | **Single element list** - Unified management of all code elements (classes, methods, fields, imports, packages)<br>**Consistent element types** - Each element has an `element_type` attribute<br>**Simplified API** - Clearer interfaces and reduced complexity<br>**Better maintainability** - Single source of truth for all code elements | Unified data model<br>Type safety guarantees<br>Extensible design |

---

## 8. 🏆 Quality Assurance

### 📊 Quality Metrics
- **4,668 tests** - 100% pass rate ✅
- **High code coverage** - Comprehensive test suite
- **Zero test failures** - Production ready
- **Cross-platform support** - Windows, macOS, Linux

### ⚡ Latest Quality Achievements (v1.9.3)
- ✅ **🎯 Complete Type Safety Achievement** - Reduced mypy errors from 317 to 0, achieving 100% type safety
- ✅ **🔧 HTML Element Duplication Fix** - Resolved HTML element duplicate detection and Java regex pattern issues
- ✅ **🧪 Complete Test Suite Success** - All 4,438 tests passing with zero failure rate
- ✅ **📚 Multilingual Documentation System** - Significant expansion and refinement of Japanese project documentation
- ✅ **🔄 Parallel Processing Engine Maintained** - search_content supports multi-directory parallel search with up to 4x performance boost
- ✅ **�️ Enhanced Encoding Processing** - Implementation of automatic encoding detection and UTF-8 processing optimization
- ✅ **🏗️ Project Management Framework** - Comprehensive project management system including Roo rules and coding checklist


### ⚙️ Running Tests
```bash
# Run all tests
uv run pytest tests/ -v

# Generate coverage report
uv run pytest tests/ --cov=tree_sitter_analyzer --cov-report=html --cov-report=term-missing

# Run specific tests
uv run pytest tests/test_mcp_server_initialization.py -v
```

### 📈 Test Coverage Details

The project maintains high-quality test coverage. For detailed module coverage information, please visit:

[![Coverage Details](https://codecov.io/gh/aimasteracc/tree-sitter-analyzer/branch/main/graph/badge.svg)](https://codecov.io/gh/aimasteracc/tree-sitter-analyzer)

**Click the badge above to view:**
- 📊 **Module-by-Module Coverage** - Detailed coverage statistics for each module
- 📈 **Coverage Trends** - Historical coverage change trends
- 🔍 **Uncovered Code Lines** - Specific locations of untested code
- 📋 **Detailed Reports** - Complete coverage analysis reports

### ✅ Documentation Verification Status

**All content in this README has been verified:**
- ✅ **All commands tested** - All CLI commands have been executed and verified in real environments
- ✅ **All data is real** - Data such as coverage rates and test counts are directly obtained from test reports
- ✅ **SMART flow is real** - Demonstrated based on actual BigService.java (1419 lines)
- ✅ **Cross-platform verified** - Tested on Windows, macOS, Linux environments

**Verification environment:**
- Operating systems: Windows 10, macOS, Linux
- Python version: 3.10+
- Project version: tree-sitter-analyzer v1.9.3
- Test files: BigService.java (1419 lines), sample.py (256 lines), MultiClass.java (54 lines)
- Latest verification: Parallel processing engine, type safety improvements, code style unification

---

## 9. 📚 Documentation & Support

### 📖 Complete Documentation
This project provides complete documentation support:

#### 🎯 Essential Developer Documentation
- **[Change Management Quick Guide](CHANGE_MANAGEMENT_GUIDE.md)** ⭐ - **PMP vs OpenSpec Usage Rules** (1-minute check)
- **[PMP-Compliant Document System](docs/ja/README.md)** - Complete guide for project management, feature specifications, and test management
  - [Project Charter](docs/ja/project-management/00_プロジェクト憲章.md) - Overall project vision
  - [Change Management Policy](docs/ja/project-management/05_変更管理方針.md) - Detailed change management rules
  - [Quality Management Plan](docs/ja/project-management/03_品質管理計画.md) - Quality standards and KPIs
  - [Test Strategy](docs/ja/test-management/00_テスト戦略.md) - Testing approach (4,438+ cases)

#### 📚 User Documentation
- **Quick Start Guide** - See the [Quick Start](#3--quick-start) section of this README
- **MCP Configuration Guide** - See the [AI Users Configuration](#31--ai-users-claude-desktop-cursor-etc) section
- **CLI Usage Guide** - See the [Complete CLI Commands](#6--complete-cli-commands) section
- **Core Features Documentation** - See the [Core Features](#7-️-core-features) section

#### 🔧 Technical Documentation
- **Contributing Guide** - See [docs/CONTRIBUTING.md](docs/CONTRIBUTING.md) for development guidelines and document management
- **Analysis Results** - See [docs/analysis/](docs/analysis/) for project analysis reports and metrics
- **Feature Specifications** - See [specs/](specs/) for detailed feature specifications and implementation plans

### 🔄 MCP Compatibility Testing
For developers working with multiple versions of tree-sitter-analyzer, we provide a comprehensive compatibility testing framework, now featuring a **Smart JSON Comparison System**.

- **[MCP Compatibility Test Standard](docs/mcp_compatibility_test_standard.md)** - Complete standardized process for version compatibility testing
- **[Compatibility Test Tools](compatibility_test/README.md)** - Automated testing tools and scripts for version comparison
- **[Troubleshooting Guide](compatibility_test/troubleshooting_guide.md)** - Solutions for common compatibility testing issues

**Technical Documentation:**
- **[MCP Direct Execution Technical Background](compatibility_test/MCP_DIRECT_EXECUTION_TECHNICAL_BACKGROUND.md)** - Technical rationale for why compatibility tests can execute tool classes directly without MCP server
- **[Smart JSON Comparison System](docs/SMART_JSON_COMPARISON_SYSTEM.md)** - In-depth explanation of the new configuration-driven comparison system.

**Key Features:**
- **Smart JSON Comparison**: Advanced, configuration-driven comparison of complex JSON outputs.
- **Configuration-Driven**: Use `comparison_config.json` to define comparison rules, ignore fields, and normalize data.
- **Performance Field Filtering**: Automatically ignores volatile performance fields (e.g., `execution_time`) for stable comparisons.
- **Array Normalization**: Normalizes and sorts arrays based on a specified key, ensuring order-independent comparisons.
- **Normalized Output Generation**: Create normalized versions of JSON files for easier manual review and debugging.
- **Deep Difference Analysis**: Utilizes the `deepdiff` library for granular and interpretable difference reporting.

**Quick Start:**
```bash
# Run a standard comparison between two versions
python compatibility_test/scripts/run_compatibility_test.py --version-a 1.9.2 --version-b 1.9.3

# Use the smart comparison feature for complex JSON outputs
python compatibility_test/scripts/analyze_differences.py --version-a 1.9.2 --version-b 1.9.3 --smart-compare --generate-normalized

```

### 🤖 AI Collaboration Support
This project supports AI-assisted development with professional quality control:

```bash
# AI system code generation pre-checks
uv run python check_quality.py --new-code-only
uv run python llm_code_checker.py --check-all
```

### 💝 Sponsors & Acknowledgments

**[@o93](https://github.com/o93)** - *Lead Sponsor & Supporter*
- 🚀 **MCP Tool Enhancement**: Sponsored comprehensive MCP fd/ripgrep tool development
- 🧪 **Test Infrastructure**: Implemented enterprise-grade test coverage (50+ comprehensive test cases)
- 🔧 **Quality Assurance**: Supported bug fixes and performance improvements
- 💡 **Innovation Support**: Enabled early release of advanced file search and content analysis features

**[💖 Sponsor this project](https://github.com/sponsors/aimasteracc)** to help us continue building excellent tools for the developer community!

---

## 📜 Version History

### 🆕 v1.9.0 New Feature: Parallel Processing Engine

Revolutionary parallel processing capabilities for enhanced search performance:

- **🔄 Parallel Processing Engine**: search_content MCP tool now supports parallel processing for multiple directories
- **⚡ Performance Boost**: Up to 4x faster search speeds for large codebases
- **🛡️ Type Safety Improvements**: 7% reduction in mypy errors (341→318)
- **✨ Code Style Unification**: Significant reduction in ruff violations
- **🏗️ Technical Debt Resolution**: Comprehensive code quality improvements
- **🚀 Test Execution Time**: Maintained 83% reduction (215s→37s)

#### 🔄 Parallel Processing Details
- **Automatic Parallel Execution**: Multiple roots directories are automatically processed in parallel
- **Configurable Control**: `enable_parallel` option for control (default: True)
- **Scalable Performance**: Performance improvements scale with directory count
- **Memory Efficient**: Semaphore-controlled concurrent execution limits

### 🆕 v1.8.4 New Feature: Configurable File Logging

Revolutionary environment variable-controlled file logging system:

- **🔧 Environment Variable Control**: Flexible file logging behavior control through environment variables
  - `TREE_SITTER_ANALYZER_ENABLE_FILE_LOG`: Enable/disable file logging
  - `TREE_SITTER_ANALYZER_LOG_DIR`: Custom log directory path
  - `TREE_SITTER_ANALYZER_FILE_LOG_LEVEL`: Control file log level
- **🛡️ Improved Default Behavior**: File logging disabled by default to prevent user project pollution
- **📁 Smart Directory Selection**: Uses system temp directory when enabled, keeping projects clean
- **🔄 Backward Compatibility**: Maintains all existing functionality unchanged
- **📚 Complete Documentation Support**: Includes debugging guides and troubleshooting documentation

### 🆕 v1.8.3 New Feature: MCP Tools Design Consistency Enhancement

Comprehensive MCP tools unification and design consistency improvements:

- **🔧 Unified `set_project_path` Implementation**: SearchContentTool and FindAndGrepTool now have consistent `set_project_path` method implementation
- **🏗️ Design Consistency Across All MCP Tools**: All 4 MCP tools (QueryTool, TableFormatTool, SearchContentTool, FindAndGrepTool) now have unified interface design
- **📁 FileOutputManager Integration**: Unified FileOutputManager factory pattern for consistent file output management
- **🔄 Dynamic Project Path Changes**: All MCP tools now support dynamic project path changes through unified interface
- **🛡️ Enhanced Security Boundaries**: Consistent security boundary protection across all MCP tools
- **📋 Improved Developer Experience**: Unified interface makes MCP tool development and usage more consistent

### 🆕 v1.8.2 New Feature: CLI Security and Argument Validation Enhancement

Comprehensive CLI security improvements and argument validation optimization:

- **🔒 CLI Security Boundary Fix**: Fixed CLI mode security boundary errors, ensuring file access security
- **✅ Proper CLI Argument Validation**: Implemented complete CLI argument validation system, preventing invalid parameter combinations
- **🚫 Exclusive Parameter Control**: `--table` and `--query-key` parameters now properly implement exclusive control
- **🔍 Enhanced Filter Support**: `--query-key` with `--filter` combination usage is fully supported
- **⚠️ Clear Error Messages**: Provides detailed error information to help users use commands correctly
- **🛡️ Enhanced Security Features**: Temporary directory access permission in test environments and project boundary protection
- **📋 Improved User Experience**: More intuitive command-line interface and error handling

### 🆕 v1.8.0 New Feature: HTML/CSS Language Support

Revolutionary HTML and CSS analysis capabilities with specialized data models and formatting:

- **🏗️ HTML DOM Analysis**: Complete HTML element extraction with tag names, attributes, and hierarchical structure
- **🎨 CSS Rule Analysis**: Comprehensive CSS selector and property analysis with intelligent classification
- **📊 Element Classification System**: Smart categorization of HTML elements (structure, heading, text, list, media, form, table, metadata) and CSS properties (layout, box_model, typography, background, transition, interactivity)
- **🔧 Specialized Data Models**: New `MarkupElement` and `StyleElement` classes for precise web technology analysis
- **📋 Enhanced Formatters**: New HTML formatter with structured table output for web development workflows
- **🔄 Extensible Architecture**: Plugin-based system with `FormatterRegistry` for dynamic format management
- **🆕 Dependencies**: Added `tree-sitter-html>=0.23.0,<0.25.0` and `tree-sitter-css>=0.23.0,<0.25.0` for native parsing support

### 🆕 v1.7.3 Feature: Complete Markdown Support

Brand new Markdown language support provides powerful capabilities for document analysis and AI assistants:

- **📝 Complete Markdown Parsing**: Support for all major elements including ATX headers, Setext headers, code blocks, links, images, tables
- **🔍 Intelligent Element Extraction**: Automatically recognize and extract header levels, code languages, link URLs, image information
- **📊 Structured Analysis**: Convert Markdown documents to structured data for easy AI understanding and processing
- **🎯 Task List Support**: Complete support for GitHub-style task lists (checkboxes)
- **🔧 Query System Integration**: Support for all existing query and filtering functionality
- **📁 Multiple Extension Support**: Support for .md, .markdown, .mdown, .mkd, .mkdn, .mdx formats

### 🆕 v1.7.2 Feature: File Output Optimization

MCP search tools' newly added file output optimization feature is a revolutionary token-saving solution:

- **🎯 File Output Optimization**: `find_and_grep`, `list_files`, and `search_content` tools now include `suppress_output` and `output_file` parameters
- **🔄 Automatic Format Detection**: Smart file format selection (JSON/Markdown) based on content type
- **💾 Massive Token Savings**: Response size reduced by up to 99% when saving large search results to files
- **📚 ROO Rules Documentation**: Added comprehensive tree-sitter-analyzer MCP optimization usage guide
- **🔧 Backward Compatibility**: Optional feature that doesn't affect existing functionality

### 🆕 v1.7.0 Feature: suppress_output Function

The `suppress_output` parameter in the `analyze_code_structure` tool:

- **Problem solved**: When analysis results are too large, traditional methods return complete table data, consuming massive tokens
- **Intelligent optimization**: When `suppress_output=true` and `output_file` specified, only basic metadata is returned
- **Significant effect**: Response size reduced by up to 99%, dramatically saving AI dialog token consumption
- **Use cases**: Particularly suitable for large code file structure analysis and batch processing scenarios

---

## 10. 🤝 Contributing & License

### 🤝 Contributing Guide

We welcome all kinds of contributions! Please check our [Contributing Guide](CONTRIBUTING.md) for details.

### ⭐ Give us a star!

If this project has been helpful to you, please give us a ⭐ on GitHub - that's the biggest support for us!

### 📄 License

MIT License - see the [LICENSE](LICENSE) file for details.

---

**🎯 Built for developers working with large codebases and AI assistants**

*Making every line of code understandable to AI, enabling every project to break through token limitations*