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mcp/harbor
Grok

MCP Holded for Grok

io.github.t4dhg/mcp-holded

MCP server for Holded (Spanish ERP): invoicing, accounting, treasury, CRM, projects, payroll.

client:Grok transport:stdio runtime:npm

Install MCP Holded in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-holded": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@t4dhg/mcp-holded"
      ],
      "env": {
        "HOLDED_API_KEY": "<HOLDED_API_KEY>",
        "HOLDED_BASE_URL": "<HOLDED_BASE_URL>",
        "HOLDED_TIMEOUT_MS": "<HOLDED_TIMEOUT_MS>",
        "HOLDED_MAX_RETRIES": "<HOLDED_MAX_RETRIES>",
        "DEBUG": "<DEBUG>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

MCP Holded in other clients

MCP Holded MCP server