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The Unabyss Vault

Everything we know about personal context for AI - what it is, how it works, how to build it, and why the difference between context and memory matters more than it sounds. Written for people who use AI tools seriously and want to get more out of them.

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What Is Context Engineering?

Context engineering is designing what the model sees before it responds - not just how you phrase the prompt. Personal context is the input most users leave empty.

Philip Kubinski

31 May 2026 · 4 min read

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What Is Context for AI?

Context is everything an AI sees before it responds. Better context means better answers - and personal context (who you are, what you're working on) has the biggest impact.

Marcin Uchacz

30 May 2026 · 4 min read

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How to Deliver Personal Context to AI Tools

MCP is best where supported - one setup, context every session. Use file exports elsewhere; function calling and REST API are for custom apps.

Marcin Uchacz

29 May 2026 · 4 min read

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How to Build Personal Context for AI

Build context in four layers: Identity, Profile, Mind, and Environment. Start with Identity and Profile, then update Mind weekly so every AI tool knows you from message one.

Marcin Uchacz

28 May 2026 · 5 min read

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Built-In AI Memory vs External Memory Tools: Which Should You Use?

AI tools finally remember things. ChatGPT references past chats, Claude stores context, Gemini personalizes. So do you still need an external memory tool? The answer depends entirely on how you wor...

Stas Morawski

19 May 2026 · 4 min read

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What Is a Context File?

As AI coding agents went mainstream, a new kind of file started showing up in repositories: `CLAUDE.md`, `AGENTS.md`, and similar. These are context files — and they've quietly become one of the mo...

Stas Morawski

17 May 2026 · 3 min read