sysml-v2-lsp

by daltskin · Developer Tools · ★ 22

sysml-v2-lsp is an MCP server by daltskin. SysML v2 Language Server Protocol implementation for VS Code, powered by ANTLR4. Includes MCP server for AI tool integration. It has 22 GitHub stars and ranks #1280 of 2217 in Developer Tools by stars.

Category: Developer Tools
Author: daltskin
GitHub stars: 22
This week: Tracking since 18 Oct 2026
Weekly downloads: 983
Language: TypeScript
License: MIT (open source)
Last update: 2026-10-22 (2 days ago)
Links: Source npm

How to install sysml-v2-lsp

sysml-v2-lsp is published on npm as sysml-v2-lsp, and it depends on @modelcontextprotocol/sdk. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.

Add it to Claude Code from a terminal:

claude mcp add sysml-v2-lsp -- npx -y sysml-v2-lsp

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "sysml-v2-lsp": {
      "command": "npx",
      "args": [
        "-y",
        "sysml-v2-lsp"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm sysml-v2-lsp and its tools are listed. The install guide covers VS Code and Codex.

Also listed in

MCP servers for VS Code326

Maintain this project? Get it featured ($99/mo, pinned at the top of Developer Tools) or see what featuring includes.

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Frequently asked questions

What is sysml-v2-lsp?

sysml-v2-lsp is an MCP server by daltskin in the Developer Tools category. SysML v2 Language Server Protocol implementation for VS Code, powered by ANTLR4. Includes MCP server for AI tool integration. It has 22 GitHub stars and ranks #1280 of 2217 in Developer Tools by stars. It is written in TypeScript. It is licensed under MIT. It was last updated 2 days ago.

Is sysml-v2-lsp free and open source?

Yes. sysml-v2-lsp is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

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