COG-second-brain

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-loop agent-plugins agent-skills agentic ai-agents claude-code closed-loop cursor garry-tan gbrain

Quick Facts

Stars	1,250
Forks	150
Language	Python
Category	Codex Skill
License	MIT
Quality Score	39.75/100
Open Issues	9
Last Updated	2026-10-02
Created	2025-10-15
Platforms	claude-code, cli, codex, gemini
Est. Tokens	~10k

Compatible Skills

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

third-brain-v5-skills — semantic(0.43)+complementary+rare_topics+similar_pop (54%)
agent-second-brain — semantic(0.26)+complementary+rare_topics+similar_pop+shared_platform (49%)
agentopology — semantic(0.24)+complementary+rare_topics+similar_pop+shared_platform (48%)
loop-engineering — semantic(0.24)+complementary+rare_topics+similar_pop+shared_platform (48%)
POHA — semantic(0.21)+complementary+rare_topics+similar_pop+shared_platform (47%)

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Frequently Asked Questions

What is COG-second-brain?

COG-second-brain is Self-evolving second brain with 35 AI skills, 10 agents, and people CRM. Closed-loop harness: a V-model verification lifecycle where the worker never grades its own homework. Plus paired anti-slop des. It is categorized as a Codex Skill with 1.3k GitHub stars.

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

COG-second-brain is primarily written in Python. It covers topics such as agent-loop, agent-plugins, agent-skills.

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 1.3k stars and 150 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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