Hosts File Blocklist Generator
Build a copy-paste hosts file blocklist for common distraction domains on Mac, Linux, or Windows.
Pick the sites you want blocked, add custom domains, then copy the hosts file snippet. Hosts-file blocking works across browsers — harder to bypass than an extension you can toggle off.
comma or space separated
Hosts file output (11 domains)
Requires admin/sudo to edit hosts
# Distraction blocklist generated by LockIn MCP # https://www.lockinmcp.com/tools/hosts-blocklist # Paste into /etc/hosts (Mac/Linux) or C:\Windows\System32\drivers\etc\hosts 127.0.0.1 m.youtube.com 127.0.0.1 old.reddit.com 127.0.0.1 reddit.com 127.0.0.1 twitter.com 127.0.0.1 www.reddit.com 127.0.0.1 www.twitter.com 127.0.0.1 www.x.com 127.0.0.1 www.youtube.com 127.0.0.1 x.com 127.0.0.1 youtu.be 127.0.0.1 youtube.com
Mac / Linux: sudo nano /etc/hosts
Windows: edit C:\Windows\System32\drivers\etc\hosts as Administrator
Flush DNS after saving (e.g. dscacheutil -flushcache on Mac, ipconfig /flushdns on Windows).
Skip the manual hosts edits
LockIn MCP manages system-level hosts blocking for you — and your AI can add, remove, or temporarily unblock domains without opening a terminal.