AlertsBar MCP Server

by alerts Your server? Claim it

answering

AlertsBar is answering right now. Last checked 11 min ago. It exposes 1 tools.

Domain exposure counters: breaches, infostealers, ULP heap, cookies. Counts only, free.

Uptime history 20 hours of history · worst hour 67%

20 hours agonow

96.1%

Uptime 24h

73 of 76 checks

Tools

read from the server

94 ms

Response time

average over 24h

open, no key

Access

streamable-http

AlertsBar does not always answer

Over the last week it answered 96.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

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 alertsbar --transport http https://mcp.alerts.bar/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "alertsbar": {
      "url": "https://mcp.alerts.bar/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.alertsbar]
url = "https://mcp.alerts.bar/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "alertsbar": {
      "url": "https://mcp.alerts.bar/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "alertsbar": {
      "url": "https://mcp.alerts.bar/mcp"
    }
  }
}

Available tools 1

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

exposure

exposure_counts_for_domain

Credential-exposure counters for a domain. Counts only - no credential values or per-account detail. Sources: known breaches, infostealer infections, unattributed ULP bundles (heap), stolen cookies. All figures are INDEXATION dates, not incident dates: _month/_week mean 'newly indexed', never 'newly leaked' - the underlying leak may be months old. Windows nest (_total includes _month includes _week) - never sum them. Counters are rebuilt once daily, so figures are up to 24h old and never real-time. Repeated calls for the same input within a day return identical values — do not re-query to check for changes. Accepts a bare domain, URL or IDN in punycode (xn--) form normalized to the registrable domain. Free, no auth.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.alerts.bar/mcp	streamable-http	answering	66 ms	11 min ago

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AlertsBar — questions

Answers built from our own checks of this server.

What can AlertsBar do?

It exposes 1 tools, read directly from the server on our last check. Among them: exposure_counts_for_domain. 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 AlertsBar working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 73 of 76 checks got a reply (96.1%), average response time 94 ms. The bar chart above shows every period we have measured.

How do I connect AlertsBar?

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

Does AlertsBar need an API key?

No. AlertsBar completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is AlertsBar?

It answers our handshake in 94 ms on average, which is faster than 93% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.