MCP server

AskMarcel HVAC Technical Knowledge Official

io.github.askmarcel/mcphvac

Checked 26 Oct 2026, 08:29 UTC · It answered and asked for a sign-in

15 HVAC MCP tools: lookups, SKU provenance, guided PAC, Beta Harness sessions. 126 brands.

Website Source

At a glance

Type

MCP server

Publisher

askmarcel.app (verified by the MCP Registry)

Status

Signs in with your account

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http mcphvac https://mcp.askmarcel.app

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mcphvac]
url = "https://mcp.askmarcel.app"

Gemini CLI

{"mcpServers":{"mcphvac":{"httpUrl":"https://mcp.askmarcel.app"}}}

Cursor

{"mcpServers":{"mcphvac":{"url":"https://mcp.askmarcel.app"}}}

VS Code

{"servers":{"mcphvac":{"type":"http","url":"https://mcp.askmarcel.app"}}}

Antigravity

agy mcp add mcphvac https://mcp.askmarcel.app

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mcphvac","server_url":"https://mcp.askmarcel.app","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mcphvac","server_url":"https://mcp.askmarcel.app"}

Signs in with your account: your agent app opens a sign-in page the first time you use it.

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