This is your work, valued

Creator of Python; now building structured RAG and language model agent infrastructure at Microsoft.

Structured RAG and LLM agentsPython language design and evolutionType systems and static typingCPython internals and optimizationHistorical language archaeologyVoting systems and democratic tools

inferred from the public footprint

Thu
Fri
Sat
Sun
Mon
Yesterday
Today
Active 5d ago
San Francisco Bay Area

Guido van Rossum

Top 15%
@gvanrossum

Creator of Python who continues experimenting with language fundamentals through projects like patma for pattern matching and reconstructions of pythonlabs source code, maintaining a steady presence across programming language research.

python.org/~guido/

Mypy. I built a tool that finds type mistakes in Python code automatically.

21k

Python Enhancement Proposals. I built a public record of how Python gets designed and improved.

5k

Typeagent. I made a way to organize documents so AI can search and understand them.

876

Faster CPython. I'm tracking work to make Python's core engine run faster.

1.7k

ABC. I preserved the original ABC language that directly inspired Python.

173

Mypy Extensions. I wrote extensions that add missing type-checking features to Python.

154

Guido's Site. I made a website to share my thoughts and projects.

22

Pythonlabs. I reconstructed the source code for pythonlabs.com.

27

Pegen. I made a text parser generator that powers Python's own code reader.

279

C Parser. I wrote a tool that reads and breaks down C code into usable pieces.

61

Pattern Matching. I built pattern matching for Python to simplify how developers handle data.

1k

Typed AST. I made a code parser that extracts type hints from Python comments.

233

Python Demos. I rescued old Python example programs that were removed from the official repository.

101

Ctok. I exposed Python's built-in code tokenizer as a simple tool.

63

PEP 550. I documented early ideas about Python's approach to concurrent context.

12

Ballot Box. I built a voting tool that collects and counts group decisions automatically.

18

Pythonlabs Azure. I set up a Python website running on Microsoft Azure's cloud.

22

Guido's Time Machine. I built a tool that lets you rewind and replay Python code execution.

106

Mypy Dummy. I made a test version of a Python code checker.

10