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undefined-ui/second-brain-os

Plugin marketplace

Plugins from the Second Brain OS repo and its agents course.

GitHub stars: 1.1K
plugin: 1
last updated: Oct 27, 2026

View on GitHubSave

Add marketplace

/plugin marketplace add undefined-ui/second-brain-os

Run it inside Claude Code, then install plugins from it with /plugin.

Plugins

1agents-courseTools from the agents course: audit your context, write done as a script, bootstrap your eval suite, and a loop critic agent.

Sponsors

SnugThe clipboard manager you and your agent can use, safely

Agent CaffeineClose your lid, come back to finished work

WaxBlock anything with supervision, without erasing your iPhone

Open StepsSponsoredFree and open-source skills that make AI coding agents easier to understand, verify, and control.

Details

Repository: github.com/undefined-ui/second-brain-os
Categories: community
Listed since: Oct 27, 2026