XposedOrNot Breach Intelligence
Real-time data-breach lookup and analytics for emails and domains from XposedOrNot.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Real-time data-breach lookup and analytics for emails and domains from XposedOrNot.
How to connect
How to connect XposedOrNot Breach Intelligence to Claude
The server address to paste into Claude settings:
https://api.xposedornot.com/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect XposedOrNot Breach Intelligence to ChatGPT
The server address to paste into ChatGPT settings:
https://api.xposedornot.com/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect XposedOrNot Breach Intelligence to Cursor
The server address to paste into Cursor settings:
https://api.xposedornot.com/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (6)
Raw names from tools/list. Only developers need these.
| check_email_breaches | Check whether an email address appears in the XposedOrNot index of known public data breaches. Returns the list of breach names only. Never returns passwords. |
| get_breach_analytics | Get a detailed breach history for one email address: the breaches it appeared in with dates and descriptions, exposure broken down by industry and by year, risk scoring, and any paste exposure. Never returns passwords. |
| list_breaches | List breaches in the XposedOrNot catalog, optionally filtered by the breached company domain or by a specific breach ID. Returns breach name, date, industry, record count, categories of data exposed and a reference URL. |
| domain_breach_summary | Get an aggregate breach summary for a domain, including the number of breaches, affected email accounts, pastes, and the most recent breach date. Returns only counts, not individual email addresses. |
| get_breach_metrics | Get system-wide breach statistics: total breaches and records indexed, breaches per year and industry, the largest and most recent breaches, and when the latest breach was added. |
| get_recent_breaches | Get the breaches most recently added to XposedOrNot, newest first. Returns title, date, a short summary and a URL for each. |