{"server":{"name":"mx.scan/diagnostics","title":"scan.mx Email Diagnostics","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://api.scan.mx/mcp","type":"streamable-http"}],"version":"1.1.0","websiteUrl":"https://scan.mx","description":"Email deliverability check: MX, SPF, DKIM, DMARC, blacklists, MTA-STS, DNSSEC, BIMI. Graded, no key."},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-10-13T17:03:00.51684Z","publishedAt":"2026-10-13T17:03:00.51684Z","statusChangedAt":"2026-10-13T17:03:00.51684Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://api.scan.mx/mcp","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-11-25"],"stateless":true},"health":{"reachable":true,"uptime_30d":0.9652174,"latency_ms_p50":391,"consecutive_failures":0,"last_probe_at":"2026-10-19T19:32:40.111Z","last_ok_at":"2026-10-19T19:32:40.111Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"check_bimi","title":"Check BIMI","description":"Check the domain BIMI record at default._bimi: the SVG logo URL, the VMC/CMC certificate, and the DMARC enforcement BIMI needs.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_blacklist","title":"Check blacklists","description":"Check whether the domain and its mail server IPs are listed on the Spamhaus (ZEN, DBL, ZRD, AuthBL), SpamCop, GBUdb and PSBL blocklists.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_dkim","title":"Check DKIM","description":"Check DKIM signing keys for a domain. Without a selector, common provider selectors are probed. Pass an explicit selector to look up that exact key at selector._domainkey.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_dmarc","title":"Check DMARC","description":"Check the domain DMARC policy at _dmarc: presence, policy strength (none/quarantine/reject), and reporting.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_dnssec","title":"Check DNSSEC and DNS health","description":"Check DNSSEC validation and DNS health: delegation, nameserver count, SOA, and reverse DNS of the mail servers.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_domain","title":"Full email deliverability check","description":"Run the full email and DNS deliverability check for a domain: MX, SPF, DKIM, DMARC, DNS health, provider detection, and blacklists. Returns a letter grade (A+ to F, where specific weaknesses cap the grade), a 0 to 100 score, and every individual check with its RFC reference. Set include_smtp to also run a live SMTP probe of the mail servers: the probe is non-blocking, so when smtp_status is \"pending\" or \"running\" call this tool again (poll_after_seconds hints how long to wait) until smtp_status is \"complete\" and the SMTP checks appear in checks.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_mta_sts","title":"Check MTA-STS","description":"Check the domain MTA-STS policy (_mta-sts TXT and the HTTPS policy file, mode and MX coverage) and its TLS-RPT reporting record.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_mx","title":"Check MX records","description":"Check the MX records of a domain: presence, hostnames, resolution, null-MX, and common misconfigurations.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"},{"name":"check_spf","title":"Check SPF","description":"Check the domain SPF policy: presence, syntax, the all qualifier, and the 10-lookup limit.","annotations":{"readOnlyHint":true,"openWorldHint":true},"source":"probe","observed_at":"2026-10-19T19:32:40.111Z"}],"dev.protogrid/trust":{"score":82,"components":{"hygiene":80,"liveness":99,"freshness":100,"provenance":55},"drivers":["+dns-namespace","+website","+reachable","+uptime-97%","+updated-6d-ago","-no-repository"],"flags":["no-repository"],"blocked":false,"computed_at":"2026-10-19T19:33:22.947Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":85,"label":"good","components":{"auth":null,"hygiene":86,"protocol":75,"stability":100,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"newest supported version is 2025-11-25; 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":"9 of 9 tools declare readOnlyHint or destructiveHint","status":"pass","category":"hygiene"},{"id":"tools.directory_hints","detail":"no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: check_domain (destructiveHint, idempotentHint); check_spf (destructiveHint, idempotentHint); check_dmarc (destructiveHint, idempotentHint); …","status":"fail","category":"hygiene"},{"id":"tools.token_cost","detail":"about 1,119 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":"3 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":["-tools.directory_hints","~protocol.modern"],"flags":[],"tool_count":9,"token_estimate":1119,"tools_hash":"d9f46f6908121b23096d02747a98241e","tools_changed_at":"2026-10-13T17:09:36.369Z","computed_at":"2026-10-19T19:33:22.949Z","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":"mx.scan/diagnostics","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/mx.scan%2Fdiagnostics/tools","arguments":{"name":"mx.scan/diagnostics"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/mx.scan%2Fdiagnostics/connection?target=mcpServers","arguments":{"name":"mx.scan/diagnostics","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}