Python Tooling Blog

OpenAI announced plans to acquire Astral, the company behind uv, Ruff, and ty, folding its team into the Codex coding agent.

March 19, 2026

Charlie Marsh discusses uv's adoption strategy, coding agents reshaping Astral's development, and open source when code is cheap.

February 24, 2026

Matthew Honnibal's Claude Code skills collection covers type annotations, error handling, property-based testing, and mutation testing.

February 16, 2026

Pydantic's Monty is a minimal Rust-based Python interpreter for safely executing LLM-generated code without containers.

February 6, 2026

Apache Airflow's FOSDEM talk on managing 120+ Python distributions using uv workspaces and prek for fast pre-commit.

February 5, 2026

Astral's uvx.sh generates installation scripts for any PyPI tool with a single curl command, no uv or Python required.

January 22, 2026

Dagster's Claude Code skill enforces Python 3.13 conventions, modern type syntax, Click CLI patterns, and subprocess safety.

January 9, 2026

Charlie Marsh and Boris Cherny are building their Python tools with Claude Code, demonstrating AI-assisted open source development.

January 2, 2026

uv's speed comes from eliminating work rather than optimizing it, with design choices like skipping .egg support and bytecode compilation.

December 26, 2025

Astral releases ty, a Rust-based Python type checker that's 20x faster than mypy with advanced type narrowing and incremental checking.

December 16, 2025