Language Server Python Packages

tombi

TOML Formatter / Linter / Language Server

esbonio

A language server for working with Sphinx projects.

serena-agent

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

panache-cli

Language server, formatter, and linter for Markdown, Quarto, and R Markdown

pylyzer

A fast, feature-rich static code analyzer & language server for Python

arity

Language server, formatter, and linter for R

markdown-query

A jq-like Markdown query language for command-line processing

pain001

Generate and validate ISO 20022 payment files (pain.001 v03-v12, pain.008) from CSV, SQLite, JSON, or Parquet. XSD and SEPA scheme validation, pain.002 and camt.053 parsers and builders, plus a CLI, REST API, MCP server, and LSP server for editor diagnostics. 🐍

gmat-script

Parse, format, lint, and edit GMAT .script mission files from Python — a tree-sitter grammar, AST, linter, and editor tooling, with no GMAT install required.

dimfort

Static unit-consistency checker for Fortran. CLI + LSP server. Annotate declarations with their dimension; the checker verifies assignments, arithmetic, intrinsics, and procedure calls line up.

camt053-lsp

Language Server Protocol (LSP) server for authoring camt053 ISO 20022 reversing-entry data files, with diagnostics, completion, and hover. Works in VS Code, Neovim, and other LSP editors.

anakin-language-server

Yet another Jedi Python language server

galaxy-language-server

Galaxy Language Server to help in Galaxy (https://galaxyproject.org/) tool wrappers development.

cfn-lsp-extra

An Experimental Cloudformation language server

modelable

Compiler and language server for versioned, domain-owned data models

textlsp

Language server for text spell and grammar check with various tools.

pain001-lsp

Language Server Protocol server for authoring pain001 ISO 20022 Customer Credit Transfer Initiation data files (JSON and CSV diagnostics, completion, hover, code actions). v0.0.52 on PyPI.

lark-parser-language-server

Lark Parser Language Server.

hy-language-server

Hy Language Server built using Jedhy. works only under Hy1.0a1. For the recent version of Hy, please use https://github.com/sakuraiyuta/hyuga instead.

benten

A language server for Common Workflow Language

ffi-navigator

Language server for navigating FFI calls

hdl-checker

Repurposing existing HDL tools to help writing better code

acmt001-lsp

Language Server Protocol (LSP) server for authoring acmt001 ISO 20022 Account Management data files.

lateralus-lang

Lateralus — a pipeline-native programming language with compiler, VM, OS, LSP, and VS Code extension. Try it at lateralus.dev/playground