#Python

Lint, Format, and Test Python on Every Commit with pre-commit and Ruff

Wire up pre-commit hooks so broken or unformatted Python is caught automatically before it ever reaches your branch.

Tutorial · 12h ago0

Ship an MCP Server in Python That Exposes Your Internal API to LLMs

Wrap a corporate REST API in three typed tools using FastMCP, inspect them locally, and connect them to Claude Desktop—without ever exposing credentials to the model.

Tutorial · 1d ago0

Deploy a FastAPI App to Fly.io with Managed Postgres

Scaffold a notes API with FastAPI and SQLAlchemy, containerize it, attach a Fly Postgres cluster, and ship the whole thing to Fly.io Machines in under 15 minutes.

Tutorial · 3d ago0

Self-Host a Local LLM with Ollama: From Install to Production-Style API

Stand up open-weight models on your own hardware, call them over an HTTP API from real code, and learn how quantization and VRAM actually constrain what you can run.

Tutorial · 5d ago0

Build an AI Agent with Tool Use from Scratch

Hand-roll a production-minded tool-using agent in plain Python with the OpenAI SDK — no framework — and learn exactly how the control loop, dispatch, and guardrails fit together.

Tutorial · 5d ago0

Add Retrieval-Augmented Generation (RAG) to Your App

Build a minimal but production-shaped RAG loop in Python: chunk and embed documents, store vectors, retrieve the most relevant context, and feed it to an LLM to ground its answers.

Tutorial · 5d ago0

uv Gets Built-In Vulnerability and Malware Scanning

Astral's uv package manager adds `uv audit` and optional install-time malware checks powered by OSV, closing supply-chain gaps that separate tooling can't easily address.

News · 6d ago1

Build Your First App That Talks to an AI Model

Write a small Python app that calls Anthropic's Claude API — install the SDK, keep your key out of source control, stream the response token-by-token, and handle the errors that actually happen in production.

Tutorial · 6d ago0

TurboVec: A Rust-Powered Quantised Vector Index That Fits 10M Docs in 4 GB

Built on Google Research's TurboQuant algorithm, TurboVec offers online ingest, SIMD-accelerated filtered search, and drop-in replacements for LangChain, LlamaIndex, and Haystack vector stores — no database required.

Article · 6d ago0

MarkItDown: Microsoft's Swiss-Army Converter for LLM Document Ingestion

The 148k-star Python library turns PDFs, Office docs, audio, YouTube URLs, and more into clean Markdown — the lingua franca that LLMs actually understand.

Article · 6d ago0

The Smallest Brain You Can Build: A Perceptron From Scratch in Python

Before transformers, before backprop, before PyTorch—there was a weight, a bias, and a loop. Building a perceptron by hand is still the clearest path to understanding how neural networks actually learn.

Tutorial · 6d ago0

You're Running Your Python Type-Checkers on the Wrong Code

With mypy, Pyrefly, Pyright, ty, and Zuban all competing for CI minutes, a new framework argues library maintainers have their priorities exactly backwards.

Article · 6d ago0