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mcp/harbor
Grok

PropoBox for Grok

com.propobox/propobox

Create, send, track and follow up on client proposals from Claude. Flat-price proposal software.

client:Grok transport:streamable-http

Install PropoBox in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "propobox": {
      "type": "http",
      "url": "https://www.propobox.com/api/mcp"
    }
  }
}

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

PropoBox in other clients

PropoBox MCP server