Coding Tools
Scaling AI Second Brains to Teams with Row-Level Security
Cole Medinhigh confidence
Why it matters
- →Solves the critical permission problem in team AI by enforcing row-level security at the database layer.
- →Provides a concrete pattern for sharing context across agents without compromising individual privacy or data silos.
- →Demonstrates practical integration of MCP with enterprise-grade database features for secure agentic workflows.
Cole Medin has published a tutorial and codebase for building a 'Team Brain' architecture using Oracle AI Database, designed to scale personal AI assistants to group contexts. The system ingests information from chat platforms, repositories, and documentation into a unified table, applying row-level security labels at the point of ingestion to enforce permissions on every query. Agents access this shared knowledge via MCP with distinct tokens, ensuring that sensitive data remains isolated based on user roles while maintaining individual agent personalities. The solution is presented as an open-source template available on GitHub, leveraging LangChain integrations for vector search and semantic retrieval.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1Scalable Enterprise AI Hinges on Agent Logic
Hugging Face Blog · June 1, 2026 · Related
- 2Memora Enhances AI Memory for Long-Horizon Tasks
Microsoft Research · June 29, 2026 · Related
- 3Scaling AI Agents with Redis Iris
Cole Medin · July 9, 2026 · Related
- 4Intel Explores Agentic AI for Enterprise Workflows
MIT Technology Review AI · July 27, 2026 · Related
- 5AI Models Hack Hugging Face in Security Test
MIT Technology Review AI · August 3, 2026 · Related
- 6Meta AI Develops Organizational 'Second Brain'
Meta AI · September 2, 2026 · Related
- 7MiniCPM5-2B targets sub-agent roles with high efficiency
Sam Witteveen · September 10, 2026 · Related
- 8Open Source AI Software Factory Automates Coding Agents
Cole Medin · September 12, 2026 · Related
What happened next
- 9MIT challenges algorithmic monoculture fears
MIT News AI · September 29, 2026 · Background
- 10OpenAPPA tackles agent prompt injection
Fireship · September 30, 2026 · Related
- 11Liquid AI releases efficient on-device agent model
Hugging Face Blog · October 13, 2026 · Background
- 121Password launches agent delegation without credential sharing
TechCrunch AI · October 22, 2026 · Related
- 13Together AI automates inference optimization with agents
Together AI Blog · November 4, 2026 · Related
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