agentthemes
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Snow Pines

An ASCII pine forest at dusk, snow drifting down through the trees.

Made for dark windows, by Anthropic

Snow Pines backdrop: An ASCII pine forest at dusk, snow drifting down through the trees.

Install it

Copy the prompt for your app and paste it into your agent. It walks you through the rest.

Claude, by hand

In a terminal, install the agentthemes plugin once:

claude plugin install agentthemes --marketplace https://bestagentthemes.com/marketplace.json

Then, in a Claude Code session in the Claude desktop app, type these two:

/reload-plugins
/agentthemes snow-pines

It shows behind the chat after your next message. /agentthemes off clears it.

T3 Code, by hand

Download snow-pines.json, then run this where you saved it:

t3 theme set snow-pines.json

The scene shows as a still picture, and it needs a T3 Code build with custom theme CSS. t3 theme set t3-chat goes back.