Koskamo

AskMarcel MCP

An MCP server providing HVAC technicians with 15 tools for technical documentation lookups, error code resolution, product sheet retrieval, and guided diagnostic sessions for heat pumps across 126 brands.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

AskMarcel MCP logo, by AskMarcelCommunity listingStreamable HTTPOAuth sign-inEndpoint checked 2026-11-01Published by AskMarcel
MCP endpoint (Streamable HTTP)
https://mcp.askmarcel.app
Vendor documentation

What you can do with it

  • Lookup error codes by brand
  • Retrieve product specifications
  • Perform guided troubleshooting for heat pumps
  • Resolve equipment models to SKUs

Source and maintenance

Community listingRegistry 1.3.1-beta.1
mcp-registry: io.github.askmarcel/mcphvac@1.3.1-beta.1Source repositoryProject website
Maintenance checked

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
319 ms
95th percentile latency
319 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 319 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

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 the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http askmarcel-mcp https://mcp.askmarcel.app

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 askmarcel-mcp --url https://mcp.askmarcel.app

Cursor

Merge this server into .cursor/mcp.json in your project, then enable askmarcel-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "askmarcel-mcp": {
      "url": "https://mcp.askmarcel.app"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "askmarcel-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.askmarcel.app",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start askmarcel-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "askmarcel-mcp": {
      "type": "http",
      "url": "https://mcp.askmarcel.app"
    }
  }
}

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 askmarcel-mcp https://mcp.askmarcel.app

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": {
    "askmarcel-mcp": {
      "url": "https://mcp.askmarcel.app"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "askmarcel-mcp": {
      "serverUrl": "https://mcp.askmarcel.app"
    }
  }
}

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