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DataFaucet creates hosted MCP servers from any URL for AI agent tool access. Braintrust is an AI evaluation and observability platform. Use them together: build tool access with DataFaucet, measure agent quality with Braintrust.
| Feature | DataFaucet Free tier | Braintrust |
|---|---|---|
| What it does | ✓ Creates hosted MCP servers from any URL or API | ✓ AI evaluation, logging, and prompt management platform |
| Primary user | ✓ Developers connecting AI agents to tools | ✓ AI/ML teams measuring and improving model quality |
| Creates MCP servers | ✓ Yes (browse any app, deploy as hosted server)free | ✗ No (evaluates AI outputs, not tool infrastructure) |
| AI evaluation | ✗ No (tool access layer, not eval infrastructure) | ✓ Yes (scoring, datasets, experiments, human review) |
| Tool access for agents | ✓ Any web app via hosted MCP endpointsfree | ✗ Proxy for LLM calls (logging, not tool calling) |
| Use together? | ✓ Yes (DataFaucet provides tools, Braintrust evals agent quality) | ✓ Yes (evaluate how well agents use DataFaucet tools) |
| Setup time | ✓ 60 seconds per MCP serverfree | ~ Minutes for first eval, longer for full pipeline |
| Pricing | ✓ Free tier (3 servers), Pro $29/mo | ✓ Free tier, usage-based pricing for logs/evals |
| Try DataFaucet free → | ||
No. Braintrust evaluates AI model outputs (quality scoring, A/B testing prompts, monitoring). DataFaucet creates tool endpoints for AI agents. They solve different problems at different layers.
Yes. Use DataFaucet to give your agent access to tools, then use Braintrust to evaluate how well the agent uses those tools. Measure tool call accuracy, response quality, and task completion rates.
DataFaucet if your agent needs tool access today. Braintrust when you're ready to measure and improve agent quality at scale. Most teams start with tools, add eval later.
Braintrust is a logging and evaluation layer, not a tool provider. It observes LLM calls (including tool calls) but doesn't create MCP server endpoints. DataFaucet handles the tool infrastructure side.
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.
17 servers created this week · 400+ teams evaluating
“Connected our Salesforce to Claude in under a minute. Used to take a full sprint.”Head of RevOps, Series B SaaS
“Pipeline debugging went from 15 minutes of tab-switching to one conversation.”Staff Data Engineer, Fintech
Add to your claude_desktop_config.json:
"your-app": {
"url": "https://datafaucet.dev/api/mcp/ID/sse"
}