One message, several real tool rounds in the same turn: read a file, check a balance, set a watch. A think → act → evaluate loop, bounded and repeat-protected.
› you
check the relayer 0xfA41…9d5179 and wake me if it drops below 5
◆ lain · chat · claude
✓ check_balance address=0xfA41…9d5179
✓ watch_balance address=0xfA41…9d5179 cond
it's at 14.2 ETH right now. watch set — if it drops below 5, i'll wake you on telegram.
● ready
02 · autonomy
Conversations end. Her work doesn't.
✕ wireda whale stirs in the wired — 1250 ETH from 0x28C6…1d60 to 0xBE0e…33E8.
Watches, wishes and scheduled tasks keep running in the daemon. Lain remembers durable facts between sessions and pings you when the chain moves.
03 · skins
Seven skins. One Lain.
wiredmatrixsynthwaveambericecrimsonmono
04 · models
Any brain you already have.
Six backends behind one interface. Use a subscription CLI with no API key, or plug in a key. Offline, a deterministic mock still runs the whole pipeline.
lain
One Lain OS key, every model — the easiest path.
anthropic
Claude, direct via API key.
claude
The Claude CLI, billed to your subscription.
codex
Codex CLI in a read-only sandbox.
opencode
OpenCode CLI, native tools fenced off.
mock
Offline and deterministic, for tests.
05 · lain api
One key for Lain. And for your code.
An OpenAI-compatible endpoint. Point the Lain TUI or any OpenAI SDK at it — change base_url and the key, nothing else. Pay per token from prepaid credits, topped up with a stablecoin transfer.