
user-scanner
Check username Availability for branding or whatever
FreeCLI260 impressions#1411 of its week
User-Scanner scans usernames and emails across thousands of platforms to check availability and gather profile metadata.
- for
- Developers, security researchers, and brand managers needing bulk handle availability checks.
- pricing
- open source
- license
- MIT
Key features
- Massive scan vectors — Searches 2510+ username platforms and 210+ email-integrated sites in a single command.
- Rich metadata extraction — Collects avatars, bios, follower counts, and other account attributes.
- Cross-scan & pivot engine — Mines handles, profile links, and secondary emails to expand reconnaissance.
- High-throughput parallel engine — Uses httpx and curl_cffi for concurrent requests with TLS fingerprint impersonation.
- Proxy rotation & validation — Built-in support for http and socks5 proxies with pre-scan health checks.
- Multi-format reports — Exports results to PDF, JSON, or CSV for easy integration.
Use cases
- Check brand name availability on GitHub, Twitter, Instagram, Reddit, and more before launch.
- Perform OSINT investigations by mapping email-linked social profiles.
- Generate bulk reports of username metadata for market research.
user-scanner FAQ
How do I install User-Scanner?+
Install via pip with pip install user-scanner or use the optional MCP support with pip install "user-scanner[mcp]".
Can I scan both usernames and emails?+
Yes, use -u for usernames and -e for email addresses; the tool supports both in a single run.
What if I need to use a proxy?+
User-Scanner includes built-in proxy rotation; specify proxies with the appropriate flags and it validates them before scanning.
How are results exported?+
Results can be saved as PDF (with profile photos), JSON, or CSV using the provided export options.
Is there support for AI agents?+
Yes, the optional MCP server enables integration with Claude Desktop, Cursor, and other LLM agents for autonomous scans.
Summarized by DevHunt from github.com · Oct 8, 2026. Details may change; check the official site.











