Show HN: Lockin – system-level distraction blocker controlled via text
LockIn is a system-level distraction blocker that edits the hosts file to block distracting sites and integrates with AI assistants via MCP, allowing you to manage focus with text commands. One-time payment, lifetime access.
Stay focused. Lock in effortlessly.Stay focused. Lock in.Stay focused.Lock in effortlessly.Stay focused. Lock in.
Let AI block distractions for you when you need to lock in.
Get started
Stay focused. Lock in effortlessly.Stay focused. Lock in.Stay focused.Lock in effortlessly.Stay focused. Lock in.
Let AI block distractions for you when you need to lock in.
Get started
LockIn fits into your workflow (1)not the other way around
(1)
Works with the AI tools you already use — Poke, Claude, ChatGPT, Perplexity, Gemini, and more via MCP. One install, system-level blocks, and an assistant that keeps you on task.
youtube.com
Blocked by LockIn
Redirected via hosts file — no browser extension needed
/etc/hosts
127.0.0.1youtube.com
127.0.0.1reddit.com
127.0.0.1x.com
(2)
Block distractions at the system level
LockIn edits your hosts file so YouTube, Reddit, and other sites stay blocked — even if you try to cheat in a new browser tab.
(3)
Your AI enforces focus for you
Connect LockIn MCP to Poke, Claude, or ChatGPT. Ask to block sites, start focus sessions, or temp-unblock with accountability.
Learn more
LockIn
daemon running
MCP tools ready
block_siteAdd a domain to hosts
unblock_tempTimed unblock with expiry
focus_sessionStart a focus window
get_statusCheck what's blocked
Temp-unblocks expire automatically · syncs on wake
(4)
Runs quietly in the background
A cross-platform daemon keeps blocks synced, handles temp-unblocks on a timer, and exposes MCP tools your assistant can call anytime.
Terminal — install
(5)
One command to install
Run npx -y lockin-mcp install — verify your license, pick sites to block, and connect MCP in minutes.
Learn more
Pricing
One price. Everything included.
No subscription. Sign in, pay once, stay focused forever.
50% off — forever
Lifetime Pro
$19.99$9.99once
✓System-level domain blocking
✓One-line installer + MCP server
✓Works with Poke, Claude, ChatGPT & more
✓Stable relay URL for remote MCP
✓Recommended Poke focus recipe
✓Lifetime license — pay once
Get your license — $9.99
Questions
Yes. Blocks persist in your hosts file, and the background service keeps MCP running and temp-unblock timers active.
Get started with one command
Get startedInstall command
Get startedPoke recipe