anthropics/anthropic-sdk-python

The Claude SDK for Python lets you add Claude's AI capabilities to your Python applications with just a few lines of code. Instead of dealing with raw HTTP requests and authentication headers manually, you get a clean, straightforward way to send messages to Claude and receive responses back. After installing the package with pip, you set up a client using your API key, then call the message creation function with your prompt. The SDK handles the connection, formatting, and response parsing behind the scenes, you just write standard Python and get back Claude's response as a structured object you can work with directly. This tool is aimed at Python developers building products that need AI features. A startup founder prototyping a customer support chatbot could use it to send user questions to Claude and display the responses. A data analyst might build a script that asks Claude to summarize long documents or extract key information from text. A product team adding a "ask questions about your data" feature to their app would use this SDK as the bridge between their Python backend and Claude's language model. The project requires Python 3.9 or later and is distributed under the MIT License, which means it's free to use in commercial projects. Full documentation lives on Anthropic's site rather than in the repo itself, so developers looking for detailed usage patterns, configuration options, and advanced features should head there. The README doesn't go into detail on topics like streaming responses, error handling, or rate limiting, but those are the kinds of things the external documentation would cover.