---
id: jupyter-lsp
version: "2.3.1"
license: BSD-3-Clause
license_treatment: permissive
maintenance: active
---

# jupyter-lsp — Multi-Language Server WebSocket proxy for Jupyter Notebook/Lab server

License: permissive · Maintenance: active · Popularity: top 1,000 on PyPI

## Install

pip install jupyter-lsp
uv add jupyter-lsp
poetry add jupyter-lsp

## Description

# jupyter-lsp

Multi-[Language Server][language-server] WebSocket proxy for your Jupyter
`notebook` or `lab` server. For Python 3.6+.

> See the parent of this repository,
> [jupyterlab-lsp](https://github.com/jupyter-lsp/jupyterlab-lsp) for the
> reference client implementation for [JupyterLab][].

# Language Servers

`jupyter-lsp` does not come with any Language Servers! Learn more about installing
and configuring [language servers][language servers docs]

[language-server]: https://microsoft.github.io/language-server-protocol/specification
[langserver]: https://langserver.org
[lsp-implementations]: https://microsoft.github.io/language-server-protocol/implementors/servers
[jupyter-lsp]: https://github.com/jupyter-lsp/jupyterlab-lsp.git
[jupyterlab]: https://github.com/jupyterlab/jupyterlab
[language servers docs]: https://jupyterlab-lsp.readthedocs.io/en/latest/Language%20Servers.html

## AI interpretation — verify before relying

Provides a WebSocket proxy that connects Jupyter Notebook or Lab servers to Language Server Protocol implementations, enabling code intelligence features like completion and diagnostics.

Verdict: Active, well-maintained package in the top 1000 PyPI downloads with minimal dependencies and no known vulnerabilities. BSD-3-Clause licensing poses no restrictions. Primary consideration is that language servers must be sourced and configured independently—jupyter-lsp provides only the integration layer.

[View on SkillFed](https://skillfed.io/packages/jupyter-lsp) · [View on PyPI](https://pypi.org/project/jupyter-lsp/)