Data Breach Detector
Check if your company or domain has been in a public data breach, with full history back to 2007.
Searches public breach disclosure feeds (HaveIBeenPwned, RansomLook, SEC filings) to report whether an organization was breached and what data types were exposed. Returns metadata only, never actual leaked data. Includes historical archive, threat assessment and trend analysis.
Try asking Muse: "Tell me if my company domain has ever appeared in a data breach and what information was exposed."
Source: Found in the official MCP Registry (io.github.beepboop2025/data-breach-detector) · First listed September 25, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 52 min ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://breach.seiche.info/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 220ms. Worked in 100% of checks over 30 days.
Screening · September 25, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 7
breach_newsRead recent breach and ransomware DISCLOSURES from public threat-intel feeds (HaveIBeenPwned, the RansomLook live leak-site tracker and SEC 8-K Item 1.05 filings), newest first. Every row is metadata only — entity, date, scale, exposed data TYPES, threat level and source — never check_exposureAnswer whether a domain, company or brand appears in public breach or ransomware DISCLOSURES across ALL history (2007 → today): yes/no with mention count, worst threat level, total accounts exposed across matches, the exposed data TYPES, and the matching disclosure metadata — nevbreach_historySearch the FULL historical breach archive — every incident this server knows about, back to 2007: HaveIBeenPwned's verified breach directory, the 2020-2025 ransomwatch leak-site archive (~16k victims), the RansomLook live tracker and SEC 8-K Item 1.05 filings. Filter by keyword, breach_timelineBuild the incident-by-incident CHRONOLOGY of one organization across every source and all history, with judgment on top: first and latest incident, incidents per year, whether the organization is a repeat victim, worst threat level and total accounts ever exposed. Those summary fbreach_statsAggregate the full breach archive into analyst-grade statistics: incidents and accounts exposed per year, per source, per exposed data type, per threat level, or per ransomware actor — plus the five largest incidents ever recorded. Use it to answer 'how has breach volume trended assess_threatClassify a piece of security text you supply — an advisory, alert or forum post — into a threat level, matched categories, financial-target flags, a confidence score and a recommended action. Pure local analysis: it collects nothing, stores nothing and reaches no network; the texfeed_sourcesList the public disclosure feeds this server aggregates, how many disclosures are cached per source, each source's newest item and an honest staleness flag, plus cache ages. Takes no arguments. Also states the scope plainly: public feeds only — no .onion access, no arbitrary fetcRecent checks
Link
https://breach.seiche.info/mcpQuestions about Data Breach Detector in Muse
How do I connect Data Breach Detector to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Data Breach Detector to help me. It is a free service with an MCP server at https://breach.seiche.info/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Data Breach Detector working right now?
At the last check (September 28, 2026, 08:16 UTC) the endpoint was working, answering in 220ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Data Breach Detector safe to connect to Muse?
It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Data Breach Detector do in Muse?
It exposes 7 tools, including breach_news, check_exposure, breach_history, breach_timeline. For example, you could ask Muse: "Tell me if my company domain has ever appeared in a data breach and what information was exposed."
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