com.oper-stack/operstack

up checked 2026-11-11T08:37:30.350Z

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Publisher-provided title

OperStack

Publisher-provided description

Scores whether AI assistants can read, understand and quote a public website. No account.

Summary by lookupd

Scores public websites for AI-assistant visibility, checks llms.txt and visit counters, and tracks weekly buyer-question answers from…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http operstack https://oper-stack.com/api/mcp/

Codex, remote (streamable-http)

codex mcp add operstack --url https://oper-stack.com/api/mcp/

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "operstack": {
      "url": "https://oper-stack.com/api/mcp/"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (11 tools)

Publisher-provided text

• audit_site Scores any public site out of 100 on the five things an answer engine needs before it will quote a page: whether AI crawlers are allowed in, whether there is a
• compare_sites Runs the same AI-visibility scoring on two to four sites and returns them side by side, so a score means something. Use it to see where a site is losing answers
• check_llms_txt Reads a site llms.txt, the file that tells an assistant which pages matter, and follows its links to see whether they still lead anywhere. Use it when someone a
• ai_visits Reports how many visits each AI assistant sent to a site that runs the free OperStack counter. Needs the private token from the counter link, which only the sit
• check_counter_installed Looks at a site page and says whether the OperStack visit counter line is really there, including the case where it is there carrying a different key. Use it wh
• my_visibility OperStack Watch subscribers, with their key. Whether ChatGPT (and Perplexity, when it answered) named the subscriber in answers to their 10 buyer questions at t
• who_instead OperStack Watch subscribers, with their key. For each of the 10 buyer questions at the last weekly check: whether ChatGPT (and Perplexity) named the subscriber,
• fix_of_the_week OperStack Watch subscribers, with their key. The fix of the week from the last Watch email: the buyer question it answers, who ChatGPT named instead, what to ch
• what_changed OperStack Watch subscribers, with their key. What moved between the last two weekly checks: how many answers named the subscriber in ChatGPT and Perplexity, the
• check_rival OperStack Watch subscribers, with their key. Scores a competitor site out of 100 on the same rules as the OperStack free check and the Watch email, and puts it
• my_questions OperStack Watch subscribers, with their key. Shows the 10 buyer questions Watch asks ChatGPT and Perplexity every week. Can also replace one question (number an

Details

• Version: 1.2.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 281 ms
• First indexed: 2026-11-01T08:55:59.389Z
• Last seen in registry: 2026-11-01T08:55:59.389Z
• Website: https://oper-stack.com/mcp/

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• Last crawl: 2026-11-11T16:17:25.167Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp