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Braintrust

Official registry Data and databases

AI evaluation and observability platform — query experiments, logs, datasets, and prompts.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http braintrust 'https://api{region}.braintrust.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "braintrust": {
            "type": "http",
            "url": "https://api{region}.braintrust.dev/mcp"
        }
    }
}

Frequently asked questions

What is Braintrust?

AI evaluation and observability platform — query experiments, logs, datasets, and prompts.

How do I install Braintrust?

It runs as a remote server. In Claude Code: claude mcp add --transport http braintrust 'https://api{region}.braintrust.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Braintrust need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Braintrust?

It is published by braintrustdata. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.