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West Berlin — the one summer day — 1977

The pattern was already there.
You were building the language.

Practitioner articles

A foundation. A working vocabulary.
Written for people who already know something is missing from the way this is usually talked about.

The first article builds the technical ground cleanly — vocabulary, stages, what MCP actually is. The second names ten patterns from practice. Both assume you can handle precision. Neither explains more than it has to.

Article I
A Foundation in Tool-Augmented AI Systems
Six stages. The model in isolation through agents, context design, and the pattern language that is the practitioner's destination. Vocabulary reference included.
Six stages · Vocabulary reference →
Article II
A Working Pattern Vocabulary for Semantic AI Systems
Ten patterns across four scales. Named from practice, not from theory. In the form Alexander used: Problem, Solution, Context. With bibliography.
Ten patterns · Kindle-accessible bibliography →

Alexander published A Pattern Language in 1977. The argument was that patterns exist at every scale and form a composable language. The same argument applies to AI systems. The patterns are here. The language is beginning.

Published on rebraining.org as a public record. The pattern vocabulary is a first draft. Test it. Revise what fails.