kaifcodec/user-scanner
🕵️♂️ (2-in-1) Email & Username OSINT suite featuring native MCP support for deep data extraction just from a single Email/Username. Analyzes 2720+ actively maintained scan vectors (210+ email / 2510+ username) for security research, investigations, and digital footprinting.
Build with Backblaze B2
SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.
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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
5 releases in the last 90 days, the latest 45 days ago, with 58 contributors on GitHub.
Peaked at #16 in the weekly ranking the week of Aug 30, its best in the past year.
Use Cases & Benefits
- Performs deep OSINT scans on emails and usernames across 375+ platforms for security research and digital footprinting.
- Combines email and username scanning in one lightweight tool with modular architecture and proxy support for flexible, accurate enumeration.
- Use for verifying email registrations on developer, social, and creator platforms during security assessments.
- Use for checking username availability and variations across gaming, community, and social sites for brand consistency or red teaming.
- Use for bulk scanning large lists of emails or usernames with output in JSON or CSV for threat intelligence and investigation workflows.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
MIT
Permissive: commercial use, modification and redistribution are allowed with attribution.
Community files
- README: present
- Contributing guide: present
Watch-outs
No watch-outs from GStars' checks.
General guidance from repository metadata, not legal advice. How we score
From the README
A powerful Email OSINT tool that checks if a specific email is registered on various sites, combined with username scanning for branding or OSINT — 2-in-1 tool.
Perfect for fast, accurate and lightweight email OSINT
Perfect for finding a unique username across GitHub, Twitter, Reddit, Instagram, and more, all in a single command.
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
+2,459 stars over 85 days across 16 snapshot days; best day +296 on Sep 1.
Forks
582+230
Open issues
21+5
Compared with peers in Security
Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| cloudflare/security-audit-skill | 61.7K | +8.8K | 17 | — |
| KeygraphHQ/shannon | 51.2K | +1.1K | 32 | 8 days ago |
| vxcontrol/pentagi | 33.5K | +712 | 38 | 31 days ago |
| Asymptote-Labs/agent-beacon | 3.3K | +360 | 40 | today |
| caddyserver/caddy | 78.8K | +267 | 60 | 1 day ago |
| kaifcodec/user-scanner | 5.5K | — | 58 | 45 days ago |
| Category median | 51.2K | +712 | 38 | — |
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