MCPs › Dev tools › AskMarcel-MCP-HVAC
AskMarcel connects AI agents to manufacturer-sourced HVAC technical documentation. • 6 MCP tools: search, procedure, error codes, product sheets, PDF snapshots, diagnose • 126 brands, 905 models, 1,885+ error codes • Free Developer tier: 500 API calls/month • Responses cite manual page numbers — see HVAC-Bench for proof vs raw LLM
Not monetized yet
Turn AskMarcel-MCP-HVAC’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install AskMarcel-MCP-HVAC
For anyone using AskMarcel-MCP-HVAC — no Lulu account neededclaude mcp add --transport http askmarcel-mcp-hvac https://askmarcelapp-hvac.run.tools
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
Run: claude mcp add --transport http askmarcel-mcp-hvac https://askmarcelapp-hvac.run.tools
Yes — it’s a remote MCP server, so no local install is needed.
ChatGPT: Settings → Connectors → Advanced → Developer mode → Add connector, then paste https://askmarcelapp-hvac.run.tools.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.
Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
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Works well together