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MyLeadTech MCP

MyLeadTech MCP

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by MyLeadTech
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MyLeadTech MCP

HVAC MCP server — fault codes, model lookup and answers cited to the OEM manual page.

This repository holds the connection details and registry metadata for the hosted MyLeadTech MCP server. There is no server code here: the server runs at the endpoint below.

  • Endpoint: https://mcp.myleadtech.app/mcp/

  • Transport: Streamable HTTP

  • Auth: API key from the MyLeadTech dashboard, sent as Authorization: Bearer <api_key>. The site also lists OAuth sign-in with a MyLeadTech account for clients that support it.

  • Brands served: Carrier, Trane, Lennox

  • Sandbox: 100 free units a month. Equipment lookups and clarifying questions don't count. A retried request with the same idempotency key is never charged twice.

Tools

Tool

What it does

Parameters

resolve_equipment

Turns a model or nameplate reference into brand and equipment, and reports coverage. Not charged.

reference, market (default us), language (default en-US)

search_hvac_documents

Finds passages and citations in manufacturer documents.

question, brand, model_reference, fault_code, language, limit (default 5), operation_id

get_hvac_source

Returns a cited passage with bounded context.

source_id

answer_hvac_question

A written answer with numbered, page-level sources.

question, brand, model_reference, fault_code, language, limit (default 5), operation_id

get_hvac_document_page

A source manual page as a PNG image (PDF output is not available).

document_version_id, page_number, format (png only), region

operation_id makes a retry replay the earlier result instead of charging again.

Related MCP server: helix-mcp-knowledge

Install

Create an API key in the dashboard first.

Claude Code

claude mcp add --transport http myleadtech https://mcp.myleadtech.app/mcp/ --header "Authorization: Bearer YOUR_API_KEY"

Without --header, Claude Code can sign you in with your MyLeadTech account instead.

Cursor

Paste into .cursor/mcp.json:

{
  "mcpServers": {
    "myleadtech": {
      "url": "https://mcp.myleadtech.app/mcp/",
      "headers": { "Authorization": "Bearer YOUR_API_KEY" }
    }
  }
}

VS Code

Paste into .vscode/mcp.json:

{
  "servers": {
    "myleadtech": {
      "type": "http",
      "url": "https://mcp.myleadtech.app/mcp/",
      "headers": { "Authorization": "Bearer YOUR_API_KEY" }
    }
  }
}

Other clients

Any MCP client that supports remote Streamable HTTP servers: endpoint https://mcp.myleadtech.app/mcp/, header Authorization: Bearer <api_key>.

Example

Call answer_hvac_question with:

{ "question": "What refrigerant does the 27TPA8 use?", "brand": "carrier", "model_reference": "27TPA8" }

Response shape (contract example ar-00/1, answer/ok.json, copied unchanged; not a live call):

{
  "request_id": "55555555-5555-4555-8555-555555555501",
  "contract_version": "ar-00/1",
  "service_revision": "2026.10.06-doc",
  "publication": {
    "branch": "main",
    "snapshot_ref": "main-20261006-5ed-carrier-263ch"
  },
  "status": "ok",
  "partial": false,
  "missing": [],
  "degraded": [],
  "usage": {
    "operation": "answer",
    "debited": true,
    "units": null
  },
  "answer": "The 27TPA8 is a Performance Series 2-stage heat pump for R-454B indoor units only.",
  "claims": [
    {
      "text": "Uses Puron Advance (R-454B) refrigerant.",
      "source_id": "chunk:1a9595df-e0cb-4dfe-83d8-504e1da1757a"
    }
  ],
  "limits": [],
  "passages": [
    {
      "source_id": "chunk:1a9595df-e0cb-4dfe-83d8-504e1da1757a",
      "document_version_id": "65a562f3-1c45-4071-be67-30b35eac7393",
      "document_type": "product_data",
      "text": "27TPA8 Performance Series 2-Stage Heat Pump with Puron Advance™ (R-454B) Refrigerant …",
      "pages": [
        1
      ],
      "printed_label": null,
      "applicability": "established",
      "rank": 1,
      "citations": []
    }
  ]
}

Links

Listings

M8ven Score

License

MIT, for the files in this repository only (README and configuration). The MyLeadTech service and the manufacturer documents it cites are not covered.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

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