Free, no signup: AI crawler check, llms.txt validator, ChatGPT/Perplexity/Gemini citation check.
Connect Remote server
claude mcp add --transport http free-tools https://grandranker.com/mcp/free
{
"mcpServers": {
"free-tools": {
"url": "https://grandranker.com/mcp/free"
}
}
}
{
"servers": {
"free-tools": {
"type": "http",
"url": "https://grandranker.com/mcp/free"
}
}
}
Settings > Connectors > Add custom connector
URL: https://grandranker.com/mcp/free
Tools 3 found in our last check
check_ai_crawler_readinessCheck whether AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, Bytespider, CCBot) can read a website, and whether it has llms.txt, schema markup and server-rendered content. Returns a 0-100 score and the failed checks.
validate_llms_txtValidate an llms.txt file. Pass a website URL to fetch and check its /llms.txt (or /llms-full.txt), or pass the llms.txt text itself. Returns a 0-100 score, valid true/false, and each check. Use it to check a site or to review text drafted for the user. If both are given, the ur…
check_ai_citationsCheck whether ChatGPT, Perplexity and Gemini cite a domain when asked the given questions. Send 1 to 5 realistic buyer questions (each at least 5 characters). Returns, per AI, how many questions cited the domain. Each check calls paid AI APIs, so the limit is 5 checks per 30 min…
Details
| Endpoint | https://grandranker.com/mcp/free (Streamable HTTP) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | com.grandranker/free-tools |
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