0n3
MCP servers · Lemlist · MCP server

Connect Windsurf to Lemlist

One line gives Windsurf your Lemlist account as tools: 7 endpoints, campaigns, activities, leads, called with your own connection. No key in the prompt, a receipt for every call, revoke Windsurf's access alone any time.

Get the line for WindsurfConnect Lemlist first

Three steps

  1. Create a free 0n3 account and connect Lemlist. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Windsurf. The mcp_config.json block.
  3. Ask Windsurf: whoami. Then: "List campaigns in Lemlist".
Write it yourself · ~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "0n3": {
      "serverUrl": "https://0n3.app/mcp",
      "headers": {
        "Authorization": "Bearer <your 0n token>"
      }
    }
  }
}

The line above carries a placeholder; 0n3.app/install mints a real key named for Windsurf and fills it in.

What Windsurf can then do in Lemlist

Campaigns · Manage outreach campaigns5
List campaignsGET /campaigns
Get a campaignGET /campaigns/{campaignId}
Add a leadPOST /campaigns/{campaignId}/leads/{email}
List leadsGET /campaigns/{campaignId}/leads
Delete a leadDELETE /campaigns/{campaignId}/leads/{email}
Activities · Track email activities1
List activitiesGET /activities
Leads · Manage campaign leads0
Manage campaign leads
More · Everything else this app exposes.1
Get a teamGET /team

Lemlist in other AI clients

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Windsurf with other apps

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