Checks whether a website has a usable llms.txt. Score 0–100. Free 3/day/IP, then ¥10.
Connect Remote server
claude mcp add --transport http tetsuki-gateway https://tetsuki-gateway.vercel.app/mcp --header "X-API-Key: <X_API_KEY>"
{
"mcpServers": {
"tetsuki-gateway": {
"url": "https://tetsuki-gateway.vercel.app/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"tetsuki-gateway": {
"type": "http",
"url": "https://tetsuki-gateway.vercel.app/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://tetsuki-gateway.vercel.app/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 1 found in our last check
check_llms_txtFetch https://{domain}/llms.txt, report whether it exists, basic shape, and a 0–100 score. Free: 3/day/IP. Paid: X-API-Key, ¥10 per call.
Headers
| Name | Description |
|---|---|
X-API-KeyOptional, secret | Optional prepaid API key for use after the free quota. Buy credits at https://tetsuki-gateway.vercel.app/. |
Details
| Endpoint | https://tetsuki-gateway.vercel.app/mcp (Streamable HTTP) |
| First published | 21 Sep 2026 |
| Last updated | 21 Sep 2026 |
| Registry name | io.github.kairosusunsei/tetsuki-gateway |
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