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Plain-English explainers on the ideas behind BrainTube — memory, retrieval, MCP, and the AI tooling around them.

AI plumbing

What is MCP (Model Context Protocol)?

MCP (Model Context Protocol) is the open standard that lets Claude, Cursor and other AI clients use your tools and data through one interface.

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Retrieval

Semantic search vs keyword search

Why "vibes-based" search returns things keyword search misses — and where it still loses.

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Workflow

A searchable knowledge base for operators

A searchable knowledge base for operators: what changes when your notes, videos and PDFs are searchable from inside Claude, Cursor and the other tools you already work in.

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AI plumbing

RAG in 90 seconds

Retrieval-Augmented Generation, demystified for non-engineers.

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Capture

Treating YouTube as a knowledge source

Transcripts, chapter detection, and entity extraction turn videos into searchable documents.

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Strategy

Why AI memory should be portable

Lock-in is the default. Portability is a design choice.

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AI memory

What Is an AI Memory Layer?

The persistent store of knowledge and context that lives outside any single AI chat — so every AI can read the same memory.

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AI memory

What Is an MCP Memory Server?

An MCP server that gives AI assistants read (and sometimes write) access to a persistent knowledge base.

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AI memory

Persistent Memory vs the Context Window: Why Your AI Forgets

The context window is temporary working memory. Persistent memory survives across sessions and tools.

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AI memory

How to Chat With Your YouTube Videos and Podcasts Using AI

How to make YouTube videos and podcasts searchable and chattable — the three approaches, honest trade-offs, and a step-by-step for the MCP path.

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AI memory

How to Give Your AI Persistent Memory Across Every Tool You Use

How to give your AI persistent memory that works across every tool you use — the four options ranked, honest setup, and how to keep your data portable.

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AI memory

One Memory Across ChatGPT, Claude and Cursor

Keep the same context across Claude, Cursor and Gemini CLI (ChatGPT support in testing): one knowledge base over MCP, so every assistant reads what you saved. Free tier included.

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