Lookup Disclose Io MCP Server

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answering

Lookup Disclose Io is answering right now. Last checked 11 min ago. It exposes 2 tools.

Find the right security-disclosure contact for any internet asset (domain, IP, package, repo, app).

Uptime history 90 days of history · worst day 93%

90 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

450 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 August 2026. No other catalogue keeps this.

20 Sep a tool changed the parameters it asks for classify_asset

11 Aug a tool description was rewritten lookup_security_contact

Nothing serious here today

Today is the operative word: we check Lookup Disclose Io every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add lookup-disclose-io --transport http https://lookup.disclose.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://lookup.disclose.io/mcp

~/.codex/config.toml

[mcp_servers.lookup-disclose-io]
url = "https://lookup.disclose.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "lookup-disclose-io": {
      "url": "https://lookup.disclose.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "lookup-disclose-io": {
      "type": "http",
      "url": "https://lookup.disclose.io/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

classify

classify_asset

Classify an input as a domain, IP, package, repository, etc. No network calls — instant response. Useful for understanding what an asset is before performing a full lookup.

lookup

lookup_security_contact

Find security reporting channels for responsible vulnerability disclosure. Takes a domain, IP, URL, package name, repository, container image, mobile app, hardware device, browser extension, desktop app, or organization name. Returns bug bounty programs, security.txt contacts, VDP links, abuse contacts, and national/global CERT fallbacks ordered by applicability to the queried owner and asset. This is informational only — not legal advice.

Endpoints

URL	Transport	State	Latency	Checked
https://lookup.disclose.io/mcp	streamable-http	answering	321 ms	11 min ago

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Lookup Disclose Io — questions

Answers built from our own checks of this server.

What can Lookup Disclose Io do?

It exposes 2 tools, read directly from the server on our last check. Among them: classify_asset, lookup_security_contact. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Lookup Disclose Io working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 450 ms. The bar chart above shows every period we have measured.

How do I connect Lookup Disclose Io?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Lookup Disclose Io need an API key?

No. Lookup Disclose Io completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Lookup Disclose Io?

It answers our handshake in 450 ms on average, which is faster than 28% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.