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Phishing Detector

by Community contributor · MIT

Local Build assumes a NarraNexus instance running at localhost:5173 — start it first with bash run.sh.

Desktop App requires the NarraNexus DMG installed to /Applications/ (and opened at least once so macOS registers the narranexus:// handler).

Phishing Detector analyzes emails, URLs, and messages for phishing and social-engineering indicators. Paste a suspicious email and it returns a 0-100 risk score with concrete red flags: sender-domain homoglyph attacks (paypa1.com vs paypal.com), urgency language, generic greetings, link/text mismatches, and unrelated link destinations. It structures the analysis so you understand *why* something is suspicious — not just a binary yes/no. Specific indicators get cited, the recommended action is explicit ("do NOT click any links, go to paypal.com directly"), and uncertain cases get flagged for human review rather than waved through. For teams, it can also produce weekly phishing-attempt summaries: counts by attack type (credential phishing, invoice scams, CEO impersonation), trends month-over-month, and which functions are getting targeted. Pair it with a Slack channel or a cron schedule for a passive monitoring posture. Safety: the agent never visits or fetches suspicious URLs — it analyzes the structure of the URL and message only.

How to use it

Talk to Phishing Detector any time you get a sketchy email or message. Three modes: 1. Single-message check > Paste the email body, the sender, and any URLs. > "Is this legit?" Get back: phishing score (0-100), specific red flags, and a recommended action. 2. URL-only check > "Is `hxxp://paypa1-secure.xyz/login` safe?" The agent analyzes domain structure *without ever visiting the URL*. 3. Trend / summary report > "Give me a March phishing report from the messages I flagged." Get a breakdown by attack type, trend lines, and recommended actions for the team. The agent is intentionally cautious — it flags ambiguous cases for human review rather than greenlight them.

Agents in this template

  • Phishing Detector

How to install (manual)

  1. Click Download .nxbundle above.
  2. Open your NarraNexus app and go to Settings → Import bundle.
  3. Drag the downloaded file in, review the preflight, confirm.

One-click install (a deep link that imports directly into your cloud or desktop NarraNexus) is the next milestone.