{"server":{"name":"com.oper-stack/operstack","title":"OperStack","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://oper-stack.com/api/mcp/","type":"streamable-http","headers":[{"name":"X-OperStack-Key","isSecret":true,"description":"Optional. Personal OperStack Watch key for the subscriber tools. The free tools work without it."}]}],"version":"1.2.0","websiteUrl":"https://oper-stack.com/mcp/","description":"Scores whether AI assistants can read, understand and quote a public website. No account."},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-10-08T13:01:42.589362Z","publishedAt":"2026-10-08T13:01:42.589362Z","statusChangedAt":"2026-10-08T13:01:42.589362Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://oper-stack.com/api/mcp/","transport":"streamable-http","templated":false,"headers":[{"name":"X-OperStack-Key","required":false,"secret":true,"value":null,"secret_names":["X_OPERSTACK_KEY"]}],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-06-18"],"stateless":true},"health":{"reachable":true,"uptime_30d":1,"latency_ms_p50":210,"consecutive_failures":0,"last_probe_at":"2026-10-19T09:42:58.340Z","last_ok_at":"2026-10-19T09:42:58.340Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"ai_visits","title":"Read your own AI visit counter","description":"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 site owner has. Returns visit counts per assistant, not individual visitors.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"audit_site","title":"Score a site for AI visibility","description":"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 map for agents (llms.txt), whether the entity is clear from schema, whether there is anything quotable, and whether pages carry dates and sources. Use it when someone asks whether ChatGPT or another assistant can read and quote a site. Reads up to 10 public pages. A site that turns away automated readers cannot be scored.","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"check_counter_installed","title":"Is the visit counter actually on the site","description":"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 when a counter reports nothing and the owner does not know why.","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"check_llms_txt","title":"Check the map a site offers to machines","description":"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 asks about llms.txt or whether their map for AI assistants works.","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"check_rival","title":"Score a competitor by the same rules (Watch)","description":"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 next to the subscriber's own score from the last weekly check.","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"compare_sites","title":"Compare sites on the same scale","description":"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 to a rival, area by area. A site that turns away automated readers is reported as unreadable.","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"fix_of_the_week","title":"This week's fix, ready to paste (Watch)","description":"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 change, and the text to put on the site, word for word as in the email.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"my_questions","title":"See or change our 10 buyer questions (Watch)","description":"OperStack Watch subscribers, with their key. Shows the 10 buyer questions Watch asks ChatGPT and Perplexity every week. Can also replace one question (number and new text) or all ten. Only change questions when the person asked for it. Changes apply from the next weekly check, and history starts again for a changed question.","annotations":{"readOnlyHint":false,"openWorldHint":false,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"my_visibility","title":"Does ChatGPT name us this week (Watch)","description":"OperStack Watch subscribers, with their key. Whether ChatGPT (and Perplexity, when it answered) named the subscriber in answers to their 10 buyer questions at the last weekly check, the trend week by week, and the share of answers against the competitors named. The same numbers as that week's Watch email.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"what_changed","title":"What changed since last week (Watch)","description":"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 share of answers against each competitor, and the buyer questions where they were named or dropped.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"},{"name":"who_instead","title":"Who ChatGPT names instead of us (Watch)","description":"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, and which businesses they named instead. Then the sites these answers were built from and where to get mentioned.","annotations":{"readOnlyHint":true,"openWorldHint":false,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T09:42:58.340Z"}],"dev.protogrid/trust":{"score":83,"components":{"hygiene":80,"liveness":100,"freshness":100,"provenance":55},"drivers":["+dns-namespace","+website","+reachable","+uptime-100%","+updated-11d-ago","-no-repository"],"flags":["no-repository"],"blocked":false,"computed_at":"2026-10-19T12:42:35.393Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":91,"label":"strong","components":{"auth":null,"hygiene":100,"protocol":75,"stability":100,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28","status":"warn","category":"protocol"},{"id":"protocol.stateless","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"protocol.transport","detail":"streamable HTTP","status":"pass","category":"protocol"},{"id":"protocol.list_ttl","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"auth.prm","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.as_metadata","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.cimd","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.secret_in_url","detail":"no templated URL","status":"na","category":"auth"},{"id":"tools.descriptions","detail":"every tool has a description","status":"pass","category":"hygiene"},{"id":"tools.description_length","detail":"descriptions are concise","status":"pass","category":"hygiene"},{"id":"tools.schemas","detail":"every tool has an object input schema","status":"pass","category":"hygiene"},{"id":"tools.annotations","detail":"11 of 11 tools declare readOnlyHint or destructiveHint","status":"pass","category":"hygiene"},{"id":"tools.directory_hints","detail":"every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint","status":"pass","category":"hygiene"},{"id":"tools.token_cost","detail":"about 1,637 tokens to load every tool","status":"pass","category":"hygiene"},{"id":"tools.api_dump","detail":"tools are not a one-to-one API dump","status":"pass","category":"hygiene"},{"id":"stability.changes","detail":"no tool changes in 30 days","status":"pass","category":"stability"},{"id":"stability.rug_pull","detail":"no tool changed its meaning under the same name","status":"pass","category":"stability"},{"id":"deps.known_vulns","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.mcp_sdk_version","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.resolvable","detail":"no npm or PyPI package","status":"na","category":"dependencies"}],"drivers":["~protocol.modern"],"flags":[],"tool_count":11,"token_estimate":1637,"tools_hash":"33d4a55fe42a6f531557ae5d45095f95","tools_changed_at":null,"computed_at":"2026-10-19T12:32:38.253Z","disclaimer":"Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed."},"dev.protogrid/identity":{"canonical_id":"com.oper-stack/operstack","aliases":[],"alias_count":0,"repository_key":null,"owner":{"verified":false,"method":null,"since":null}}},"next_actions":[{"action":"list_tools","description":"Every current tool with input schemas","href":"/v1/servers/com.oper-stack%2Foperstack/tools","arguments":{"name":"com.oper-stack/operstack"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/com.oper-stack%2Foperstack/connection?target=mcpServers","arguments":{"name":"com.oper-stack/operstack","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}