# pyrefly

> A fast type checker and language server for Python with powerful IDE features

- **URL**: https://www.freshcrate.ai/projects/pyrefly
- **Author**: pypi
- **Category**: Developer Tools
- **Latest version**: `0.62.0` (2026-04-21)
- **License**: Unknown
- **Homepage**: https://pypi.org/project/pyrefly/
- **Language**: Python
- **Registry**: pypi (`pyrefly`)
- **Tags**: `pypi`, `typechecker`, `typechecking`

## Description

# Pyrefly

Pyrefly is a type checker and language server for Python, which provides
lightning-fast type checking along with IDE features such as code navigation,
semantic highlighting, and code completion. It is available as a
[command-line tool](https://pyrefly.org/en/docs/installation/) and a
[VSCode extension](https://marketplace.visualstudio.com/items?itemName=meta.pyrefly).

See the [Pyrefly website](https://pyrefly.org) for full documentation and how to
add Pyrefly to your editor of choice.

Currently under active development with known issues. Please
[open an issue](https://github.com/facebook/pyrefly/issues/new/choose) if you
find bugs.

## Recent releases

| Version | Date | Urgency | Changes |
| --- | --- | --- | --- |
| `0.62.0` | 2026-04-21 | Low | Imported from PyPI (0.62.0) |

## Citation

- HTML: https://www.freshcrate.ai/projects/pyrefly
- Markdown: https://www.freshcrate.ai/projects/pyrefly.md
- Dependencies JSON: https://www.freshcrate.ai/api/projects/pyrefly/deps

_Generated by freshcrate.ai. Indexes pypi releases for AI-agent ecosystem packages._