Getting Started with Claude Code

Artificial intelligence is immensely revolutionizing technology, providing performance enhancements, tweaks, and improvements with each generation of models. One of its latest developments is the Anthropics Claude 3.7 Sonnet- a sophisticated AI model that primes itself for changing creative, analytical, and coding tasks. It offers new improved Claude code with great tools designed for automating and programming processes. This article highlights these innovations and many other features, benchmarks, and how to effectively use them for coding with developer Claude Code.

What is Claude Code?

Claude Code was introduced by Anthropic and is certainly a landmark in the agentic coding sphere. It is meant to enable an automation process for coding activities and add to the hybrid reasoning capabilities of Claude 3.7 Sonnet. By being integrated with Visual Studio Code (VS Code) and GitHub Copilot, this tool strives to provide a truly frictionless experience to developers. Some of the requests that can be undertaken by helping in the generation and debugging of boilerplate code, and some detailed recommendations for the improvement of codebase.

Probably, the most conspicuous feature has to do with the forced operational nature of this software, hence granting it the ability to undertake tasks with a certain autonomy following pre-established standards. This is especially valuable for developers wanting to boost productivity and shorten the time taken on tedious operations. Claude Code aims to make managing a large code base, training machine-learning models, or creating web apps easier.

Performance Benchmark

According to user reviews and preliminary testing, Claude 3.7 Sonnet and Claude Code perform faster and more accurately than many other tools. According to Anthropic’s documentation and several community assessments, the model exhibits a deep grasp of complicated coding tasks, including:

• Generating clean and optimised code across multiple programming languages.
• Identifying and correcting problems with minimal input.
• Making context-sensitive recommendations that improve the quality and maintainability of code.

AI Coder represents an upgrade over its predecessors and other AI coding tools from the speed and quality of code generation in responding to long and complex prompts. By combining instant response generation with complete step-by-step reasoning, it helps developers understand the basis for coding recommendations. Integration with IDEs creates for a smoother, frictionless coding experience.

Exclusive Insights into Claude Code’s Architecture

Claude Code employs its blended reasoning capabilities in Claude 3.7 to construct complex coding operations and provide code autonomously. From code generation to deployment, the design offers seamless integration into CI/CD pipelines. Therefore, it is a powerful instrument for startups as well as large projects.

How to Access Claude Code?

The developers have access to Claude Code, which integrates with GitHub Copilot and VS Code. Setting up the tool is indeed a breeze:

1. Install the Plugin: Look for the Claude Code extension in your IDE’s marketplace (e.g., VS Code Extension Marketplace).
2. Authorization: Link your Anthropic account with the extension.
3. Customization: Set preferences in the tool to address your needs.
4. Get to work: It will help you with code suggestions, debugging, and fast automation.

You can easily run Claude Code in the terminal:

1. Install Claude Code

Open your terminal and run the installation command.

npm install -g @anthropic-ai/claude-code

2. Navigate to Your Project

Move into your project directory using the cd command.

cd your-project-directory

3. Start Claude Code

Launch the AI Coder by running the claude command in your terminal.

4. Authenticate

Complete the one-time OAuth process with your Console account. Ensure you have active billing at console.anthropic.com.

For those wanting to draw everything out of Claude Code, meanwhile, Anthropic provides detailed documentation on their official website and GitHub repository.

Let’s Try Claude Code

To illustrate the capabilities of Claude Code, let’s walk through a quick example. Suppose you are building a REST API using Python and FastAPI. By simply describing your requirements, the tool can:

Prompt:

“Generate a simple REST API using FastAPI in Python. Include an endpoint at ‘/hello’ that returns a greeting message as JSON.”
OR
“Create a FastAPI application with a GET endpoint at ‘/hello’ that returns {‘message’: ‘Hello from Claude Code!’}. Also, provide instructions for running the server with uvicorn.”

from fastapi import FastAPI

app = FastAPI()

@app.get("/hello")
async def say_hello():
    return {"message": "Hello from Claude Code!"}

# Run the server using: uvicorn main:app --reload

This simple example shows how quickly you can generate a functional API endpoint. Claude Code can also offer suggestions for improving code efficiency, such as adding input validation or optimizing API responses.

More Advanced Use Case

Beyond simple APIs, Claude Code shines in more complex scenarios. For instance, if you are working on a machine learning project, you can leverage its capabilities to generate model training scripts or automate data preprocessing tasks.

Prompt:

“Generate a Python code to train a RandomForestClassifier using the Iris dataset with sklearn. Include data splitting, model training, and accuracy evaluation.”
OR
“Create a machine learning script in Python using sklearn’s RandomForestClassifier. The script should load the Iris dataset, split it into training and testing sets, train the model, make predictions, and display the accuracy score.”

from sklearn.datasets import load_iris
from sklearn.ensemble import RandomForestClassifier
from sklearn.model_selection import train_test_split
from sklearn.metrics import accuracy_score

# Load dataset
data = load_iris()
X_train, X_test, y_train, y_test = train_test_split(data.data, data.target, test_size=0.2, random_state=42)

# Initialize and train model
model = RandomForestClassifier()
model.fit(X_train, y_train)

# Make predictions and evaluate
predictions = model.predict(X_test)
print("Accuracy:", accuracy_score(y_test, predictions))

This code snippet demonstrates how Claude Code can accelerate machine learning workflows by offering ready-to-use scripts and suggesting performance optimizations.

Also read: Claude Sonnet 3.7: Performance, How to Access and More

Pro Tips and Best Practices

1. Streamlined test case generation: Now you can automate the creation of unit tests, integration tests, or end-to-end scenarios with simple prompts, dramatically reducing manual workloads and improving operational scalability.
2. Legacy code optimization: Legacy codes can be refurbished effectively with Claude Code, modernizing alternatives, and improving performance and security-this chips in favor of optimized system equivalency and stakeholder alignment.
3. Automated review of code: Use Claude Code for code review wherein, it points, marks, and suggests best practices and notes on how to improve the code —generally, code reviews are done for a cleaner development. This solution can be taken into consideration in order to promote better collaboration and visibility in the development process.
4. Automating Documentation Generation: Documenting an API is made extremely convenient under Claude Code, with comments along with code being automatically integrated and facilitating the easy inclusion of tools like Swagger or Postman with doc-base sync.

Expert Opinions and Real-world Insights

Pietro Schirano (@skirano) mentioned how Claude 3.7 Sonnet with Claude Code created an entire ‘glass-like’ design system in one shot, complete with all components. The reaction – ‘How insane is this?’ – highlights the powerful design automation capabilities of the tool.

Ammaar Reshi (@ammaar) demonstrated an innovative use case by building a Snake game for the Apple Watch in just five prompts. The game adapts its speed based on the user’s heart rate, showcasing Claude Code’s versatility in blending creativity with technology.

Example Prompt

"Create a Snake game for the Apple Watch where the speed of the snake is
 controlled by the user's heart rate. The more stressed the user is, the
 faster the snake moves."

Our own testing also revealed that Claude Code can rapidly prototype ideas with minimal input. By feeding specific project prompts, the tool generated not just code but also structural and design suggestions, significantly speeding up the development process.

Also read: Claude 3.7 Sonnet vs Grok 3: Which LLM is Better at Coding?

Conclusion

AI-driven development tools have advanced significantly with Claude 3.7 Sonnet and Claude Code. Anthropic has produced a solution that not only increases coding productivity but also improves the developer experience by fusing agentic automation with hybrid reasoning. Tools like Claude Code are probably going to become essential resources for developers of all stripes as AI develops further.

Now is the ideal moment to investigate what AI coder has to offer if you’re a developer trying to increase the productivity of your code. For additional information on cutting-edge AI technologies and their effects on the tech sector, continue to follow Analytics Vidhya.

Riya Bansal

Gen AI Intern at Analytics Vidhya
Department of Computer Science, Vellore Institute of Technology, Vellore, India
I am currently working as a Gen AI Intern at Analytics Vidhya, where I contribute to innovative AI-driven solutions that empower businesses to leverage data effectively. As a final-year Computer Science student at Vellore Institute of Technology, I bring a solid foundation in software development, data analytics, and machine learning to my role.

Feel free to connect with me at [email protected]