{"apiVersion":"v1","directorySlug":"checkna-mcp-2a6d18ced2","title":"WHOIS Domain Lookup – Check Domain Availability","description":"Check domain availability, registrar, registration and expiration dates, nameservers, and public WHOIS data with a fast domain lookup.","pageUrl":"https://www.mcpbundles.com/skills/checkna-mcp-2a6d18ced2","connectPath":"importable","connectAction":"import_server","catalogListing":false,"bundleSlug":null,"listingKind":"remote_mcp","kind":"provider","transportUrl":"https://checkna.me/mcp","hostedMcpUrl":null,"toolCount":4,"toolInventoryStatus":"observed","refreshedAt":"2026-11-03T13:26:00.516172+00:00","registryName":"me.checkna/checkna-mcp-2a6d18ced2","registryVersion":"2026.11.3","registryEligible":true,"tools":[{"name":"lookup_domain","description":"Look up full WHOIS/RDAP registration details for ONE specific domain: registrar, creation/expiry dates, nameservers, status codes, and whether it is registered. Call this when the user asks who owns a domain, when it expires, or for registration details of a single fully-qualified domain like 'swiftblue.com'.","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["domain","context"],"properties":{"domain":{"type":"string"},"context":{"type":"string"},"include_raw":{"type":"boolean"}}},"title":"Look up domain WHOIS/RDAP details","logicalName":"lookup_domain","displayName":"Look up domain WHOIS/RDAP details","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"is_available","description":"Quick yes/no availability check for ONE specific full domain (e.g. 'swiftblue.com'). Returns just the domain and whether it is available to register — nothing else. Prefer this when the user asks 'is X.com available'; use lookup_domain instead for full WHOIS details, or check_availability to compare a name across many TLDs.","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["domain","context"],"properties":{"domain":{"type":"string"},"context":{"type":"string"}}},"title":"Check if one domain is available","logicalName":"is_available","displayName":"Check if one domain is available","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"check_availability","description":"Check whether a name is available to register across multiple TLDs at once. Call this when the user is brainstorming names or asks 'is X available' or 'what TLDs can I get for X'. Takes the bare second-level name WITHOUT a TLD (e.g. 'swiftblue', not 'swiftblue.com').","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["name","context"],"properties":{"name":{"type":"string"},"tlds":{"type":"array","items":{"type":"string"}},"context":{"type":"string"}}},"title":"Check domain availability across TLDs","logicalName":"check_availability","displayName":"Check domain availability across TLDs","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"check_domains","description":"Check availability for a list of specific full domains at once, with mixed TLDs allowed (e.g. ['domain1.com','helloworld.io','swiftblue.ai']). Returns just { domain, available } for each. Use this when the user gives you several complete domains to check together. Max 25 per call — split larger lists across multiple calls. For a single domain use is_available; to compare one name across many TLDs use check_availability.","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["domains","context"],"properties":{"context":{"type":"string"},"domains":{"type":"array","items":{"type":"string"}}}},"title":"Check availability of multiple domains","logicalName":"check_domains","displayName":"Check availability of multiple domains","annotations":{"untrustedContentHint":true,"readOnlyHint":true}}],"toolSource":"directory_preview","agentAction":"both","installLinks":[{"id":"cursor","label":"Cursor","href":"cursor://anysphere.cursor-deeplink/mcp/install?name=WHOIS-Domain-Lookup-Check-Domain-Availability&config=eyJ1cmwiOiAiaHR0cHM6Ly9jaGVja25hLm1lL21jcCJ9"},{"id":"vscode","label":"VS Code","href":"vscode:mcp/install?%7B%22name%22%3A%22WHOIS-Domain-Lookup-Check-Domain-Availability%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fcheckna.me%2Fmcp%22%7D"},{"id":"vscode-insiders","label":"VS Code Insiders","href":"vscode-insiders:mcp/install?%7B%22name%22%3A%22WHOIS-Domain-Lookup-Check-Domain-Availability%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fcheckna.me%2Fmcp%22%7D"},{"id":"claude-web","label":"Claude.ai","href":"https://claude.ai/customize/connectors?modal=add-custom-connector&connectorName=WHOIS+Domain+Lookup+%E2%80%93+Check+Domain+Availability&connectorUrl=https%3A%2F%2Fcheckna.me%2Fmcp"},{"id":"codex","label":"Codex","copyText":"codex mcp add \"WHOIS-Domain-Lookup-Check-Domain-Availability\" --url \"https://checkna.me/mcp\""},{"id":"chatgpt","label":"ChatGPT","href":"https://www.mcpbundles.com/docs/integrations/chatgpt"}],"catalogUrl":"https://www.mcpbundles.com/api/directory/v1/servers/checkna-mcp-2a6d18ced2","callUrl":"https://www.mcpbundles.com/api/directory/v1/servers/checkna-mcp-2a6d18ced2/tools/{tool}","mcpServerUrl":"https://checkna.me/mcp","liveCatalogUrl":"https://www.mcpbundles.com/api/directory/v1/servers/checkna-mcp-2a6d18ced2?live=1"}