An extremely fast Python type checker and language server, written in Rust.
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A Rust compiler front-end for IDEs
- lsp-server
- rust
- hacktoberfest
GraphiQL & the GraphQL LSP Reference Ecosystem for building browser & IDE tools.
- graphql
- graphiql
- codemirror
- lsp-mode
A fast type checker and language server for Python
A fast, feature-rich static code analyzer & language server for Python
A Ruby language server.
- ruby
- language-server
- intellisense
Mainly a PHP Language Server with more features than you can shake a stick at
- php
- completion
- refactoring
- vim
NIx Language server, an incremental analysis assistant for writing in Nix.
An experimental Rust port of the TypeScript 7 compiler (tsc)
- compiler
- rust
- tsc
- typescript
Static type checker for Ruby
- ruby
- typechecker
Clojure & ClojureScript Language Server (LSP) implementation
- clojure
- lsp
- language-server
- clj
Python Type Checker / Language Server
- autocompletion
- language-server-protocol
- mypy
- python
A frontend-independent IDE "smartness" server for Elixir. Implements the JSON-based "Language Server Protocol" standard and provides debugger support via VS Code's debugger protocol.
Language Server Implementation for Luau
- language-server
- lsp
- lua
- luau
A Language Server Protocol implementation for Crystal. 🔮
- crystal
- lsp
- lsp-server
- vscode-language
The missing linter and lsp for AI coding assistants. Validate CLAUDE.md, AGENTS.md, SKILL.md, hooks, MCP. Plugin for all major IDEs included, with autofixes.
Visual Studio Code extension for Rocq
Language server implementation for Elm
- elm
- language-server-protocol
- language-server
- elm-lang
Language server, formatter, and linter for Quarto and other Markdown flavors
- formatter
- pandoc
- quarto
- language-server
A Ruby language server for large codebases
Visual Studio Code Extension and Language Server Protocol for Rocq / Coq [maintainers=@gbdrt,@SkySkimmer,@tabareau]
- coq
- ide
- user-interface
- vscode-extension
Suricata Language Server is an implementation of the Language Server Protocol for Suricata signatures. It adds syntax check, hints and auto-completion to your preferred editor once it is configured.
IDE tools for writing pest grammars, using the Language Server Protocol for Visual Studio Code, Vim and other editors
The standards-based Web Components multitool. Generate Custom Elements Manifests, Dev Server, LSP, and MCP for your app or design system
- custom-elements
- custom-elements-manifest
- go
- golang