How do I use Cakemail API MCP Server?

1. Click on "Deploy Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Cakemail API MCP Server list my recent email campaigns" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

Cakemail API MCP Server

Official

by cakemail

Overview Schema Source Related Servers Discussions Admin

TypeScript

Remote

apidoc.mcp.cakemail.com

MCP server that lets AI assistants discover and call the Cakemail API. Loads the OpenAPI specification dynamically and exposes it through three tools for discovery and execution. Deployed on Vercel.

Architecture

api.cakemail.dev/openapi.json  →  Loaded into memory on first request
                                        ↓
                                  MCP Server (Vercel)
                                  ├── list_endpoints   (browse/search)
                                  ├── get_endpoint     (full details)
                                  └── call_api         (execute)
                                        ↑
                                  AI Assistant (Claude, Cursor, etc.)

Source: OpenAPI spec fetched from https://api.cakemail.dev/openapi.json
Spec size: ~470KB, 222 operations, 497 schemas
Transport: MCP Streamable HTTP protocol

Related MCP server: Open API MCP Server

MCP Tools

`list_endpoints`

Browse available API endpoints with optional filters.

Parameter	Type	Required	Description
`tag`	string	no	Filter by category (e.g. Campaign, Contact, Account)
`search`	string	no	Search in path, summary, or operationId

`get_endpoint`

Get full details for a specific endpoint (parameters, request/response schemas).

Parameter	Type	Required	Description
`operationId`	string	no	Endpoint operationId (e.g. listCampaigns)
`path`	string	no	API path (e.g. /campaigns)
`method`	string	no	HTTP method (e.g. GET, POST)

Provide either operationId or both path + method.

`call_api`

Read data from the Cakemail API (GET only). Useful for verifying API behavior with real data.

Parameter	Type	Required	Description
`path`	string	yes	API path (e.g. /campaigns, /contacts/123)
`query`	object	no	Query parameters as key-value pairs

Authentication

Two methods are supported:

Basic Auth — use your Cakemail email and password (recommended for MCP clients)
Bearer token — admin API key or a Cakemail access token from /api/auth

Generate your Basic Auth credentials

echo -n 'you@example.com:your-password' | base64

Get a token via `/api/auth`

curl -X POST https://apidoc.mcp.cakemail.com/api/auth \
  -H "Content-Type: application/json" \
  -d '{"username":"you@example.com","password":"your-password"}'

Connecting to the MCP Server

Claude Code

claude mcp add cakemail-api \
  --transport http \
  https://apidoc.mcp.cakemail.com/api/mcp \
  --header "Authorization: Basic BASE64_ENCODED_CREDENTIALS"

Any MCP client

{
  "mcpServers": {
    "cakemail-api": {
      "type": "streamable-http",
      "url": "https://apidoc.mcp.cakemail.com/api/mcp",
      "headers": {
        "Authorization": "Basic BASE64_ENCODED_CREDENTIALS"
      }
    }
  }
}

API Endpoints

Endpoint	Method	Auth	Description
`/api/mcp`	POST/GET	Basic or Bearer	MCP Streamable HTTP endpoint
`/api/auth`	POST	None	Get access token with Cakemail credentials
`/api/usage`	GET	Admin API key	Tool usage stats. Optional: `?since=2026-03-01&until=2026-03-31`

Environment Variables

Variable	Description
`API_KEY`	Admin API key for service authentication
`SUPABASE_URL`	Shared Supabase project URL (same as kb.mcp)
`SUPABASE_SERVICE_KEY`	Supabase service role key

Development

npm install
npm test            # run tests
npm run test:watch  # run tests in watch mode

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive

ResponsivenessNo issues

Resources

GitHub Repository

Need Help?

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