The New Engineer MCP MCP server

An MCP server providing HVAC engineering calculations for heating, cooling, and refrigeration systems. It allows AI assistants to perform quantified sizing of expansion vessels, determine refrigerant zones, and apply European standards like EN 12828 and EN 378, ensuring results are defensible and based on real-world engineering assumptions rather than generic standard paraphrasing.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by The New Engineer

MCP endpoint (Streamable HTTP)

https://thenewengineer.com/mcp

Vendor documentation

What you can do with it

Size expansion vessels for heating systems
Determine refrigerant zones per EN 378
Apply Swiss refrigerant rules
Calculate cooling loads for data centres

Tools advertised by the last live check:

size_expansion_vessel
water_content_from_vessel
check_refrigerant_switzerland
check_en378_zones
read_ifc_overview
read_ifc_networks
name_ifc_networks
open_ifc_upload
ifc_upload_result

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http the-new-engineer-mcp https://thenewengineer.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add the-new-engineer-mcp --url https://thenewengineer.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable the-new-engineer-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "the-new-engineer-mcp": {
      "url": "https://thenewengineer.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "the-new-engineer-mcp": {
      "type": "streamableHttp",
      "url": "https://thenewengineer.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start the-new-engineer-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "the-new-engineer-mcp": {
      "type": "http",
      "url": "https://thenewengineer.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http the-new-engineer-mcp https://thenewengineer.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "the-new-engineer-mcp": {
      "url": "https://thenewengineer.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "the-new-engineer-mcp": {
      "serverUrl": "https://thenewengineer.com/mcp"
    }
  }
}

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