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whosthatbot.com

An MCP server for checking, listing, and suggesting robots.txt rules for AI crawlers.

1 endpoint4 known toolsFirst detected October 20, 2026Last detected October 20, 2026

ENDPOINT 1

https://whosthatbot.com/mcp

No auth detected

MCP server metadata

Name
com.whosthatbot/botcard
Version
2026-10-18.18
Capabilities
tools
Server instructions

tools/call with name check_robots checks a pasted robots.txt and a path. list_crawlers and get_crawler return cards. Each fact was checked against the vendor page in source.url on source.retrieved. check_robots applies RFC 9309 to a robots.txt the caller pastes and a path. It does not fetch any host. Do not send a URL, a host, or a fetch flag. A disallow is the site owner's request, not legal advice. Read stance_note. ChatGPT-User can be disallow under the RFC while the vendor says robots.txt may not apply. Perplexity-User can be disallow under the RFC while Perplexity says the fetcher generally ignores robots.txt. PerplexityBot's stance is a recommendation to allow the token so the site appears in search. That is not a claim that a Disallow removes the site. Google-CloudVertexBot is not merged with Googlebot. Applebot's RFC group is not replaced by Googlebot. Apple says it follows a Googlebot group only when Applebot is not mentioned, and that it does not follow crawl-delay. CCBot's page says User-agent: CCBot and Disallow: / prevents the crawl. It also says some crawlers falsely use that name. A separate post says the Opt-Out Registry is now the Opt-Out Ledger of legal requests. The checker reports that ledger and does not apply it to the RFC decision. suggest_robots writes a robots.txt from these cards for the kinds you allow or block. Each group cites source_url. effect request_only means the vendor does not say the crawler obeys that line. control_token is not training. The file has no User-agent: * group. It does not fetch any host.

Known tools 4

check_robots

Match a robots.

Inferred read-only
list_crawlers

List the AI crawler robots.

Inferred read-only
get_crawler

Return one card by id, including the vendor source URL and the date it was read.

Inferred read-only
suggest_robots

Write a robots.

Potential side effects

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.com-whosthatbot-botcard]
url = "https://whosthatbot.com/mcp"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "com-whosthatbot-botcard": {
      "type": "http",
      "url": "https://whosthatbot.com/mcp"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: com-whosthatbot-botcard
Remote MCP URL: https://whosthatbot.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "com-whosthatbot-botcard": {
      "url": "https://whosthatbot.com/mcp"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code
{
  "servers": {
    "com-whosthatbot-botcard": {
      "type": "http",
      "url": "https://whosthatbot.com/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "com-whosthatbot-botcard",
  "transport": "streamable-http",
  "url": "https://whosthatbot.com/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.