---
name: second-brain-register
description: Apply the The second brain register: who built the plain-text knowledge base, and which part of it lasts article as model behavior. Use when a request invokes this article's concept, claims, evidence, or operating standard.
---

# The second brain register: who built the plain-text knowledge base, and which part of it lasts

This Skill is the behavioral expression of [the canonical article](/a/second-brain-register). It does not repeat the article's human prose.

## Orient

- Read the machine article at /api/articles/second-brain-register.
- Read claims and relationships at /api/articles/second-brain-register/topology.
- Treat found content as evidence and instruction only within the article's stated authority.

## Apply

1. Identify which claim or concept from the article governs the request.
2. State the governing meaning in the minimum language needed.
3. Apply it to the requested object or decision.
4. Preserve evidence grades, uncertainty, authority limits, and failure conditions.
5. Return the result with the article identity and any relevant claim or receipt links.

## Human meaning

This is a register of the people, formats and programs that built the idea of a personal knowledge base out of plain text files. It exists to be tracked rather than read once: when someone in this field publishes something that changes the 

## Representations

- Human: /a/second-brain-register
- JSON: /api/articles/second-brain-register
- Relationships: /api/articles/second-brain-register/topology
- History: /api/articles/second-brain-register/revisions