COG-second-brain

by huytieu · Codex Skill · ★ 550

About COG-second-brain

COG: The Agentic Second Brain That Actually Self-Evolves Cognition + Obsidian + Git — A self-evolving second brain powered by AI agents, markdown files, and version control. No database, no vendor lock-in — just files that think. Quick Start SETUP.md Works with Claude Code • Cursor • Kiro • Gemini CLI • OpenAI Codex • any AI that reads markdown Inspired by Garry Tan's gstack and gbrain New to COG? Watch the 2-minute walkthrough to see it in action. Quick Start 1. Clone & enter the repo: 2. Run onboarding in your agent:

agent-loopagenticai-agentsclaude-codecursorgarry-tangbraingstackknowledge-managementloop-engineering

Quick Facts

Stars550
Forks71
LanguageShell
CategoryCodex Skill
LicenseMIT
Quality Score66.8566897281669/100
Open Issues5
Last Updated2026-06-22
Created2025-10-15
Platformsclaude-code, cli, codex, gemini
Est. Tokens~14k

Compatible Skills

These tools work well together with COG-second-brain for enhanced workflows:

  • claude-obsidian — semantic(0.26)+complementary+rare_topics+same_lang+similar_pop+shared_platform (64%)
  • arscontexta — semantic(0.34)+complementary+rare_topics+same_lang+similar_pop+shared_platform (61%)
  • obsidian-claude-pkm — semantic(0.34)+complementary+rare_topics+same_lang+similar_pop+shared_platform (61%)
  • obsidian-second-brain — semantic(0.37)+complementary+rare_topics+similar_pop+shared_platform (57%)
  • para-workspace — semantic(0.18)+complementary+rare_topics+same_lang+similar_pop+shared_platform (56%)

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Frequently Asked Questions

What is COG-second-brain?

COG-second-brain is Self-evolving second brain with 17 AI skills, 6 worker agents, and people CRM — inspired by Garry Tan's gstack and gbrain. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.. It is categorized as a Codex Skill with 550 GitHub stars.

What programming language is COG-second-brain written in?

COG-second-brain is primarily written in Shell. It covers topics such as agent-loop, agentic, ai-agents.

How do I install or use COG-second-brain?

You can find installation instructions and usage details in the COG-second-brain GitHub repository at github.com/huytieu/COG-second-brain. The project has 550 stars and 71 forks, indicating an active community.

What license does COG-second-brain use?

COG-second-brain is released under the MIT license, making it free to use and modify according to the license terms.

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