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60 seconds. No credit card. Free tier.
Letta (formerly MemGPT) builds stateful AI agents with persistent memory and custom tools. DataFaucet generates hosted MCP servers from any web app. One manages agent state. The other generates the tools agents use.
| Feature | DataFaucet Free tier | Letta |
|---|---|---|
| Primary purpose | ✓ Generate MCP servers from any APIfree | ~ Build stateful AI agents with persistent memory |
| Output format | ✓ Standard MCP server (SSE endpoint)free | ✗ Agent with memory, tools, and state |
| Works with any API | ✓ Yes (captures traffic from any web app)free | ~ Custom tool functions (Python) |
| MCP compatibility | ✓ Native (standard MCP protocol)free | ~ MCP client support (can connect to MCP servers) |
| Setup approach | ✓ Browse URL or paste cURL (no code)free | ✗ Python SDK, define tools as functions |
| Persistent memory | ✗ No (stateless tool server) | ✓ Yes (core feature — recall across sessions) |
| Internal/undocumented APIs | ✓ Yes (captures from authenticated browser)free | ✗ No (needs code to define tools) |
| Client compatibility | ✓ Claude, Cursor, Windsurf, Codex, any MCP clientfree | ~ Letta server API or embedded in Python apps |
| Hosting | ✓ Fully managed, one-click deployfree | ~ Self-host or Letta Cloud |
| Auth handling | ✓ Captured from browser session automaticallyfree | ✗ Manual (implement in tool function) |
| Agent orchestration | ✗ No (tool server only, BYO agent) | ✓ Yes (multi-agent, memory management, tool routing) |
| Setup time for new API tool | ✓ 60 secondsfree | ✗ 30-60 minutes (write Python, test, deploy) |
| Try DataFaucet free → | ||
Need API tools for your Letta agents?
DataFaucet generates MCP servers that Letta can connect to via its MCP client support.
Letta specializes in agent state management. Its core innovation is persistent memory that lets agents recall context across sessions, manage their own memory, and maintain long-running relationships with users.
DataFaucet operates at the tool layer below. It generates API access that any agent framework can consume. Since Letta supports MCP as a client, you can generate tools with DataFaucet and wire them directly into Letta agents.
Use them together: DataFaucet for rapid tool generation from any web app, Letta for the stateful agent that remembers context and decides when to call those tools.
They create demand. We create supply.
Pick any URL. Browse for 30 seconds. Get a hosted MCP endpoint your AI can call immediately.
No credit card. No code. Free tier includes 3 servers.
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Add to Claude, Cursor, or any client
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Add to your claude_desktop_config.json:
"your-app": {
"url": "https://datafaucet.dev/api/mcp/ID/sse"
}