xyz mcp for Claude Code

io.github.mrfentmen/xyz-mcp

XYZ MCP: parse molecules, validate atom counts, elements and coordinates.

client:Claude Code transport:stdio runtime:npm

Install xyz mcp in Claude Code

run in your project directory

claude mcp add xyz-mcp -- npx -y @mrfentmen/xyz-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs