{"slug": "io-github-whois-api-llc-mcp-whoisxmlapi-io-github-whois-api-llc-mcp-whoisxmlapi", "title": "io.github.whois-api-llc/mcp-whoisxmlapi (io.github.whois-api-llc/mcp-whoisxmlapi@1.8.6)", "summary": "WhoisXML API's MCP server, io.github.whois-api-llc/mcp-whoisxmlapi, version 1.8.6, was published to the official MCP registry on 2026-09-08, offering 32 WHOIS, DNS, IP, threat intelligence, email, and bulk tools for AI agents, but its source repository is no longer publicly accessible (HTTP 404). The server, distributed as @whoisxmlapidotcom/mcp-whoisxmlapi on npm, passed a semantic screen for hidden instructions, though a deterministic conformance probe has not yet been run.", "body_md": "[← Index](/leaderboard)\n\n# io.github.whois-api-llc/mcp-whoisxmlapi\n\nSource repository no longer publicly accessible (HTTP 404). This may be deliberate: repositories are sometimes made private or relocated. [Evidence](#source).\n\n32 WHOIS, DNS, IP, threat intelligence, email, and bulk tools for AI agents via WhoisXML API.\n\nThe current version, v1.8.6, was published to the official MCP registry on 2026-09-08. It is distributed as @whoisxmlapidotcom/mcp-whoisxmlapi on npm, filed under Email by this index, and declares one environment variable. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; [the index's current counts](/stats) put this record in context.\n\n## Using io.github.whois-api-llc/mcp-whoisxmlapi in Claude, Cursor, Gemini CLI, Cline, or Zed?\n\nMCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and **HOLDs the call** when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use **Install this server** for that).\n\nRewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less\n\n```\nuv tool install mcpindex-gate && mcpindex-config-wire\n```\n\n[method](/methodology)\n\nSemantic screen found no manipulation pattern in the description. Conformance probe not yet run.\n\n`mcpindex.integrity.description` passINFO\nevidence“No hidden instructions”via static_description\n\n- - Semantic screen only - the deterministic conformance probe has not run on this server\n- - Confidence is reported but not yet calibrated (v1)\n- - Screen reads the tool description, not the live behavior\n- - advisory\n- - registry description only no input schema\n- - Still current: the description we screened is unchanged, re-checked against the registry\n- - The registry listing (version, packages, links) changed after this screen ran - the description we assessed did not\n\nSemantic screen: an LLM judge reads the tool description for hidden instructions (status PARTIAL). A pass means the description is not lying, not that the tool is safe: a high-capability tool with an honest description still warrants caution. The deterministic conformance probe has not been run on this server yet, so the screen here is semantic-only. Posture: advisory. Confidences are reported but not yet calibrated (calibrated=false at v1). Full verdict history is not shown on this page.\n\nOwn this server? [Screen its description →](/screen)\n\n## That verdict was true at screening time (snapshot 2026-09-08).\n\nContracts can change after screening, with no version bump. The gate pins io.github.whois-api-llc/mcp-whoisxmlapi’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.\n\n[See your first HOLD in 2 minutes →](/guides/install-the-gate-first-hold)\n\nRelated: [how to trust an MCP server](/guides/how-to-trust-an-mcp-server) · [screen before install](/guides/screen-mcp-server-before-install) · [silent contract drift](/guides/mcp-silent-contract-drift)\n\nPeople vet a server before wiring it in. One line on your project site or docs answers that with an independent record: screening verdict, registry provenance, contract drift history. It stays current as new screens and drift events land.\n\n```\n[Independent trust record for io.github.whois-api-llc/mcp-whoisxmlapi](https://mcpindex.ai/server/io-github-whois-api-llc-mcp-whoisxmlapi) - screening verdict, registry provenance, and contract drift monitoring.\nIndependent trust record for io.github.whois-api-llc/mcp-whoisxmlapi - screening verdict, registry provenance, and contract drift monitoring.\n```\n\nA live verdict badge for your README or listing. It reflects the current screen, links back here, and updates when the verdict does.\n\n```\n[](https://mcpindex.ai/server/io-github-whois-api-llc-mcp-whoisxmlapi)\n![\"mcpindex](\"https://mcpindex.ai/api/v1/badge/io-github-whois-api-llc-mcp-whoisxmlapi\")
\n```\n\n`WHOISXMLAPI_TOKEN`\nWhoisXML API key (get one at https://whoisxmlapi.com)\n\n[methodology](/methodology)\n\n[Mermailapp.mermail/mcp](/server/app-mermail-mcp)\n\nPrivacy-first email inboxes for AI agents with MCP mail tools and Composio connect/execute.\n\n[MCP Emailscom.mcpemails/emails](/server/com-mcpemails-emails)\n\nRead, search, send, organize, draft and schedule email across your inboxes from any MCP client.\n\n[io.github.wildsurfer/your-mail-mcpio.github.wildsurfer/your-mail-mcp](/server/io-github-wildsurfer-your-mail-mcp)\n\nRead-only, self-hosted MCP access to IMAP email, mirrored locally and indexed by notmuch.", "url": "https://wpnews.pro/news/io-github-whois-api-llc-mcp-whoisxmlapi-io-github-whois-api-llc-mcp-whoisxmlapi", "canonical_source": "https://mcpindex.ai/server/io-github-whois-api-llc-mcp-whoisxmlapi", "published_at": "2026-09-08 00:05:07+00:00", "updated_at": "2026-09-08 01:00:47.151112+00:00", "lang": "en", "topics": ["ai-tools", "ai-agents"], "entities": ["WhoisXML API", "io.github.whois-api-llc/mcp-whoisxmlapi", "@whoisxmlapidotcom/mcp-whoisxmlapi", "MCP registry"], "alternates": {"html": "https://wpnews.pro/news/io-github-whois-api-llc-mcp-whoisxmlapi-io-github-whois-api-llc-mcp-whoisxmlapi", "markdown": "https://wpnews.pro/news/io-github-whois-api-llc-mcp-whoisxmlapi-io-github-whois-api-llc-mcp-whoisxmlapi.md", "text": "https://wpnews.pro/news/io-github-whois-api-llc-mcp-whoisxmlapi-io-github-whois-api-llc-mcp-whoisxmlapi.txt", "jsonld": "https://wpnews.pro/news/io-github-whois-api-llc-mcp-whoisxmlapi-io-github-whois-api-llc-mcp-whoisxmlapi.jsonld"}}