LSP Server

pyrefly

Requires Language Server Binary

This LSP server requires uvxto be installed on your system. Make sure it's available in your PATH before enabling.

Add to Your Project

Copy this JSON into your .lsp.json to enable this server

Add to your .lsp.json or plugin.json:

{
  "lspServers": {
    "pyrefly": {
      "command": "uvx",
      "extensionToLanguage": {
        ".py": "python",
        ".pyi": "python",
        ".pyw": "python",
        ".ipynb": "python"
      },
      "args": [
        "pyrefly@latest",
        "lsp"
      ]
    }
  }
}

Supported Languages

File extensions mapped to language identifiers

python

.py.pyi.pyw.ipynb

Details

Server configuration and transport parameters

Commanduvx

Transportstdio

Arguments

Command-line arguments passed to the server process

pyrefly@latestlsp

Advanced Configuration

Initialization options and workspace settings

Restart on Crash:Yes

Stats

Parent stars0

MaintenanceFair

Last CommitFeb 27, 2026

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Plugins (1)

pyrefly-lsp0

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