Turn Claude into your SDR.

1 · Settings → Security and login → Developer mode on

The switch lives under Security, not Apps.

2 · Plugins → + → Connection

Name: Layrcake
URL:  https://mcp.layrcake.dev/mcp
Choose Create, then approve access when ChatGPT sends you to Layrcake.

3 · In a new chat, open the tools menu and add Layrcake

Paid plans, web. ChatGPT applies its own filters to connected tools and can refuse outreach steps; Codex runs the same tools without them.

1 · Paste into .cursor/mcp.json (or ~/.cursor/mcp.json for every project)

{
  "mcpServers": {
    "layrcake": {
      "url": "https://mcp.layrcake.dev/mcp",
      "headers": { "Authorization": "Bearer YOUR_LAYRCAKE_API_KEY" }
    }
  }
}

2 · First prompt

Confirm the layrcake tools are available, then find 30 UK fintechs hiring SDRs and the head of sales at each.

1 · One command in your terminal

claude mcp add --transport http layrcake https://mcp.layrcake.dev/mcp \
  --header "Authorization: Bearer YOUR_LAYRCAKE_API_KEY"

2 · Check it

claude mcp list

1 · Append to ~/.codex/config.toml, then start a new session

[mcp_servers.layrcake]
url = "https://mcp.layrcake.dev/mcp"
http_headers = { "Authorization" = "Bearer YOUR_LAYRCAKE_API_KEY" }

Two values. Streamable HTTP. OAuth if your client supports it, otherwise the header.

URL:     https://mcp.layrcake.dev/mcp
Header:  Authorization: Bearer YOUR_LAYRCAKE_API_KEY

REST, if you would rather

POST https://api.layrcake.dev/v1/find_leads
Authorization: Bearer YOUR_LAYRCAKE_API_KEY
OpenAPI: https://api.layrcake.dev/openapi.json