🚀 OpenSem

Bootstrapping template for Serena + Superpowers in Claude Code

10-30x efficiency boost • Zero scripts • 3-minute setup

⚠️ IMPORTANT: OpenSem requires Serena and Superpowers to work. Install them first before continuing.

What is OpenSem? • Before vs After • Features • Quick Start • Configuration • Contributing

中文文档 | English

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📖 What is OpenSem?

OpenSem is a bootstrapping template system that activates two powerful Claude Code plugins:

• Serena – LSP-powered semantic code analysis
• Superpowers – Reusable skill system

Why it matters:

Claude Code ships with these plugins, but they're unconfigured by default. Using Claude Code without activating them is like using VS Code without extensions—you're missing 90% of the potential.

What OpenSem does:

1. Generates .serena/project.yml with proper LSP servers for your project
2. Initializes persistent memory templates (code conventions, architecture, workflows)
3. Activates Superpowers skills for complex workflows
4. Configures project-specific modes and contexts

Result: Claude Code transforms from a generic assistant into a project-aware expert—delivering 10-30x efficiency gains.

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⚡ Before vs After

🔴 Claude Code (Default State)

Without OpenSem, Claude Code operates without semantic awareness:

You: "Refactor the UserService class"
Claude: *Generic refactoring that doesn't know your:*
* - inheritance hierarchy
* - coding standards
* - test patterns
You: *Explain patterns, fix style, add tests...*

Metrics:

• First-pass success rate: 60%
• Iterations needed: 4-5
• Context setup time: 5 minutes
• Code revision needed: 40%

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🟢 Claude Code + OpenSem (Activated)

With OpenSem, Claude Code has LSP understanding and persistent memory:

You: "Refactor the UserService class"
Claude: *Uses LSP to understand:*
* - parent classes and interfaces
* - project code conventions
* - test patterns from memory
* - common workflows

Metrics:

• First-pass success rate: 95% (↑ 58%)
• Iterations needed: 1 (↓ 80%)
• Context setup time: 10 seconds (↑ 30x)
• Code revision needed: 5% (↓ 87%)

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📊 The 10-30x Improvement

Metric	Default	With OpenSem	Improvement
First-pass success	60%	95%	1.6x
Iterations needed	4-5	1	4-5x
Context setup	5 min	10 sec	30x
Code revision	40%	5%	8x
Overall session efficiency	1x	10-30x	10-30x

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✨ Features

Feature	Description
🔌 Plugin Activation	One-command setup for Serena + Superpowers
🧠 LSP Semantic Understanding	15+ language servers for accurate code analysis
💾 Persistent Memory	6 memory templates for conventions that stick
⚡ 3-Minute Setup	Copy folder, run command, done
🎨 Dynamic Generation	Auto-generates configs for any language
📦 Self-Contained	Single folder copy—works with Serena + Superpowers

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🚀 Quick Start

⚠️ Step 1: Install Prerequisites (Required!)

OpenSem will NOT work without these components. You MUST install them first:

Component	Purpose	What happens without it	Download
Serena	LSP semantic analysis	Claude can't understand your code structure	GitHub • Docs
Superpowers	Reusable skill system	No persistent workflows or patterns	GitHub

🔴 Do NOT skip this step. OpenSem cannot function without Serena + Superpowers.

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Step 2: Copy OpenSem to Your Project

# Clone from GitHub (code only, no history)
git clone --depth 1 https://github.com/luckyops/OpenSem.git opensem
cp -r opensem /path/to/your-project/
cd /path/to/your-project

Step 3: Activate

Open Claude Code and say:

"Use OpenSem to configure my project"

That's it! Claude Code will:

1. Analyze your project structure
2. Select appropriate LSP servers
3. Generate .serena/project.yml
4. Initialize memory templates
5. Activate Serena + Superpowers

3 minutes later, Claude Code is 10-30x more effective.

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📋 Supported Projects

Category	Technologies
🌐 Web Frontend	React, Vue, Next.js, Angular, Svelte, SolidJS, Astro
🔧 Backend API	Node.js, Python (Django/FastAPI/Flask), Go, Java, C#, Ruby, PHP, Rust
🎯 Fullstack	Next.js+Python, React+Go, Vue+Node.js, Svelte+Rust
📱 Mobile	React Native, Flutter, Swift, Kotlin, Ionic
🖥️ Desktop	Electron, Tauri, Qt
⚡ CLI Tools	Node.js, Python, Go, Rust, Shell
📊 Data/AI	Python (ML/Data Science), Jupyter, R, Julia
⛓️ Blockchain	Solidity, Rust (Solana), Go (Cosmos), JS (Tezos)
🎮 Game Dev	Unity (C#/C++), Unreal, Godot
🔬 Embedded	Arduino, C/C++, Rust, FreeRTOS
🔍 Analysis	Readonly mode for external codebases

Note: Core templates include TypeScript and Python. All other languages are dynamically generated with best practices.

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📁 Project Structure

opensem/
├── LICENSE # MIT License
├── README.md # This file
├── README.zh-CN.md # Chinese documentation
├── CHANGELOG.md # Version history
├── CONTRIBUTING.md # Contribution guide
│
├── .github/ # GitHub templates
│ ├── ISSUE_TEMPLATE/
│ └── PULL_REQUEST_TEMPLATE.md
│
├── configs/ # Core configuration templates
│ ├── typescript.yml # TypeScript/JavaScript
│ ├── python.yml # Python
│ ├── fullstack.yml # Multi-language projects
│ ├── readonly.yml # Readonly analysis mode
│ └── default.yml # Default configuration
│
├── templates/ # Memory & knowledge templates
│ ├── project_overview.md # Project overview
│ ├── tech_stack.md # Technology stack
│ ├── code_conventions.md # Coding standards
│ ├── project_structure.md # Directory structure
│ ├── suggested_commands.md # Common commands
│ └── task_checklist.md # Completion checklist
│
└── docs/ # Additional documentation
├── INSTRUCTIONS.md # Claude Code instructions
└── SUPERPOWERS.md # Skills reference

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🔧 Configuration Reference

Standard Config Structure

# .serena/project.ymlproject_name: "your-project-name"languages:
- typescript # LSP: typescript
- python # LSP: python
- markdown # For documentationencoding: "utf-8"ignore_all_files_in_gitignore: trueignored_paths:
- "**/node_modules/**"
- "**/dist/**"
- "**/build/**"read_only: falsebase_modes:
- editing # Enable code editing
- interactive # Enable interactive modeinitial_prompt: | Welcome to {PROJECT_NAME}! Project-specific context and guidelines here.

Available LSP Servers

Language	LSP Server	Config Key
TypeScript	typescript	typescript
JavaScript	typescript	javascript
Python	python	python
Go	go	go
Rust	rust	rust
Java	java	java
Kotlin	kotlin	kotlin
C#	csharp_omnisharp	csharp
Ruby	ruby_solargraph	ruby
PHP	intelephense	php
Swift	sourcekit-lsp	swift
Dart	dart	dart
Solidity	solidity	solidity
C/C++	cpp	cpp

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🤝 Contributing

We welcome contributions! Please see CONTRIBUTING.md for details.

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📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

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🙏 Acknowledgments

OpenSem is built upon amazing open-source tools:

Project	Description	Links
Serena	Semantic code analysis powered by LSP	GitHub • Docs
Superpowers	Powerful skill system for Claude Code	GitHub
Claude Code	Next-generation AI coding assistant	Docs

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🔗 Related Resources

• Serena Documentation • GitHub
• Superpowers Skills Library
• Claude Code Documentation
• Model Context Protocol (MCP)

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🌟 Star History

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Made with ❤️ by the community

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