Groundtruth — Ask Real Humans
Human-in-the-loop user research: ask real people what the web can't answer, get verbatim replies
Install
Remote streamable-http
https://groundtruth-ruby.vercel.app/api/mcpClient config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"app-vercel-groundtruth-ruby-groundtruth": {
"url": "https://groundtruth-ruby.vercel.app/api/mcp"
}
}
} Source: official MCP Registry record · registry name app.vercel.groundtruth-ruby/groundtruth · published 2026-09-11 · updated 2026-09-11. Not an endorsement; review the code before connecting it to anything sensitive.