VASP-LSP

A Language Server Protocol (LSP) implementation for VASP (Vienna Ab initio Simulation Package) input/output files.

Overview

VASP-LSP provides intelligent code editing features for VASP calculation input files:

• INCAR - Input parameters with autocomplete and validation
• POSCAR - Structure file syntax highlighting
• KPOINTS - K-point grid configuration

Features

• 📝 Autocomplete - Smart completion for INCAR tags and values
• 📖 Hover Documentation - Instant access to VASP parameter documentation
• ⚠️ Diagnostics - Real-time error detection and warnings
• 🔍 Go to Definition - Navigate between related parameters

Installation

pip install vasp-lsp

Usage

As a standalone server

vasp-lsp --stdio

Neovim (nvim-lspconfig)

require'lspconfig'.vasp_lsp.setup{}

Development

git clone https://github.com/yourusername/VASP-LSP.git
cd VASP-LSP
pip install -e ".[dev]"

License

MIT License

Acknowledgments

• Inspired by cp2k-language-server
• Built with pygls