Groundtruth — Ask Real Humans is answering right now. Last checked 9 min ago. It exposes 2 tools.
Human-in-the-loop user research: ask real people what the web can't answer, get verbatim replies
The linked repository no longer exists on GitHub — it was deleted or made private.
Over the last week it answered 73.7% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.
claude mcp add groundtruth --transport http https://groundtruth-ruby.vercel.app/api/mcp
{
"mcpServers": {
"groundtruth": {
"url": "https://groundtruth-ruby.vercel.app/api/mcp"
}
}
}
[mcp_servers.groundtruth]
url = "https://groundtruth-ruby.vercel.app/api/mcp"
{
"mcpServers": {
"groundtruth": {
"url": "https://groundtruth-ruby.vercel.app/api/mcp"
}
}
}
{
"mcpServers": {
"groundtruth": {
"url": "https://groundtruth-ruby.vercel.app/api/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
check_answers
ask_humans
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://groundtruth-ruby.vercel.app/api/mcp | streamable-http | answering | 273 ms | 9 min ago |
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