OpenAI added MCP (Model Context Protocol) support to ChatGPT. This means ChatGPT can connect to external MCP servers and call tools during conversations, giving it live access to APIs, databases, and internal services.
This guide walks through connecting any MCP server (including DataFaucet-generated ones) to ChatGPT.
ChatGPT connects to remote MCP servers over SSE (Server-Sent Events). When you add a server, ChatGPT discovers available tools and can call them during conversations.
The flow:
https://datafaucet.dev/api/mcp/YOUR_SERVER_ID/sseStart a new chat and ask something that requires your connected tool:
ChatGPT calls the appropriate tool and returns structured results inline.
You can add multiple MCP servers to ChatGPT simultaneously. Each provides a different set of tools. ChatGPT picks which to use based on conversation context.
Example setup:
Ask: "Give me a morning briefing: revenue, blocked tickets, and any support messages from overnight."
ChatGPT calls all relevant tools and synthesizes the response.
Total setup: under 2 minutes from zero to ChatGPT querying a new API.
All DataFaucet servers expose an SSE endpoint at:
https://datafaucet.dev/api/mcp/YOUR_SERVER_ID/sseThis is the URL you paste into ChatGPT's MCP server configuration.
DataFaucet handles authentication internally. When you browse a site during server creation, API credentials are captured and stored securely. ChatGPT never sees raw credentials; it only calls tools through the MCP protocol layer.
Both support MCP servers. Key differences:
| Feature | ChatGPT | Claude |
|---|---|---|
| MCP transport | SSE only | SSE + stdio |
| Tool discovery | Automatic | Automatic |
| Multi-server | Yes | Yes |
| Native integration | Settings panel | Desktop app + CLI config |
| Agent mode | Yes | Yes (with tool use) |
Same DataFaucet server works with both. Create once, connect to either.
Create your ChatGPT MCP server in 60 seconds.
Try with ChatGPT →{
"mcpServers": {
"chatgpt": {
"url": "https://datafaucet.dev/api/mcp/YOUR_SERVER_ID/sse"
}
}
}Replace YOUR_SERVER_ID with the ID from your DataFaucet dashboard after creating your ChatGPT server.
Point DataFaucet at ChatGPT and get a working server in 60 seconds.
Create ChatGPT server free →After creating, add to Claude Desktop:
"chatgpt": {
"url": "https://datafaucet.dev/api/mcp/YOUR_ID/sse"
}Free plan includes 3 servers. Upgrade to Pro for unlimited →
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