Language Server Python Packages

tombi

TOML Formatter / Linter / Language Server

serena-agent

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

esbonio

A language server for working with Sphinx projects.

pipelex-tools-py

Editing support for MTHDS: a VS Code and Cursor extension, a language server, and the plxt CLI that formats and lints .mthds files.

pipelex-tools

Editing support for MTHDS: a VS Code and Cursor extension, a language server, and the plxt CLI that formats and lints .mthds files.

panache-cli

Language server, formatter, and linter for Quarto and other Markdown flavors

decl-lang

Declarative Language

pylyzer

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

arity

Language server, formatter, and linter for R

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. 🐍

onec-hbk-bsl

Open-source toolkit for 1C:Enterprise/BSL: 180 diagnostics, formatter, LSP, CLI, VS Code/Cursor extension, SARIF, MCP server, and RU/EN documentation.

onec-hbk-bsl-core

Open-source toolkit for 1C:Enterprise/BSL: 180 diagnostics, formatter, LSP, CLI, VS Code/Cursor extension, SARIF, MCP server, and RU/EN documentation.

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.

django-lsp

Django ORM autocomplete powered by a Rust language server

lodesman-mcp

Compiler-grade code intelligence over MCP — a language server's own answers, as agent tools

cfn-lsp-extra

An Experimental Cloudformation language server

wodcraft

Write a WOD like on the whiteboard; a compiler checks it. An open language for functional-fitness workouts, with its spec, a Python compiler, a Swift port, an MCP server and a VS Code extension.

modelable

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

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.

hdl-checker

Repurposing existing HDL tools to help writing better code

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.

midmanstudio-mdix

Config, code, and encryption in one `.mdix` file. Monorepo for the DixScript compiler: dixscript (Rust core, on crates.io), mdix-cli, mdix-lsp, and FFI bindings for C#, Go, Python, WASM, and C.

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.