Inspiration
X.com faces scams, impersonators, and misinformation. GrokGuard uses agentic AI to protect users in real time.
What it does
Real-time X.com feed scanner using Grok AI. Multi-agent system (Prosecutor, Defender, Arbiter) debates each post to detect scams, impersonators, and misinformation. Collapses dangerous posts, labels misinformation, and provides a live dashboard.
How we built it
- Chrome Extension (Manifest V3) + Grok API
- TypeScript agent orchestration (custom, no frameworks)
- Express.js API server + Next.js dashboard
- Real-time DOM monitoring for feed analysis
Challenges we ran into
- False positives on legitimate accounts → fixed with multi-factor legitimacy scoring
- Real-time performance → hybrid approach: instant analyzer for feed, full debate for profiles
- Extension context invalidation → heartbeat checks and state recovery
Accomplishments that we're proud of
- Truly agentic: autonomous investigation + multi-turn debate
- Zero false positives on verified accounts
- Real-time feed protection with instant AI analysis
What we learned
- Agentic AI needs clear agent roles and debate structure
- Hybrid models: fast for feed, reasoning for deep analysis
- Source credibility is critical for fact-checking
What's next for GrokGuard
- Human-in-the-loop learning from feedback
- Supabase integration for persistent analytics
- Web search integration for advanced fact-checking
- Mobile browser support
Built With
- chrome-extension-api
- express.js
- grok-api
- indexeddb
- next.js
- react
- typescript
- x-api
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