A second brain for Claude Code and Codex that keeps receipts: skills as a plugin marketplace, opt-in persistent memory over MCP, vault templates and a CRM engine. Method, not data. MIT.
Latest release v0.9.1 · 20 Oct 2026
1 file for Codex and OpenCode: second-brain-starter-kit AGENTS.md — 1,104 tokens loaded in every session.
AGENTS.md A 1,104 tok These files are tonydzi/second-brain-starter-kit's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.