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Cakemail API MCP Server

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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: Cakemail 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 installed

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D
maintenance

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Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

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