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mcp/harbor
Verified official

The New Engineer — HVAC MCP

v1.2.0

com.thenewengineer/hvac

European HVAC sizing: EN 12828 expansion vessels, EN 378 zones, Swiss refrigerant rules.

transport:streamable-http tools:3
Website

Target client

run in your project directory 

claude mcp add --transport http hvac https://thenewengineer.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

size_expansion_vessel

size expansion vessel

check_refrigerant_switzerland Read-only

check refrigerant switzerland

check_en378_zones Read-only

check en378 zones

All 3 tools, one page each

1 resource you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.