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second-brain-query

Answer a question from a second-brain vault by reading its own pages, citing the pages used, and saying plainly when the vault does not contain the answer. Use this skill whenever the user asks what they know about a topic, what they have read on something, what connects two ideas, what they have changed their mind about, or asks any question that should be answered from their own notes rather than general knowledge. Do NOT use for ingesting new material, for general questions the vault has nothing to do with, or when the user explicitly wants an answer from the open web.

skills/second-brain-query/SKILL.md

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Last checked
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Nov 3, 2026
License
MIT

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# Query the vault

A query that quietly falls back on general knowledge is the most damaging thing
this system can do. The owner built the vault so answers would be grounded in
what they actually read, and an answer that blends the model's priors with
their notes is worse than no answer, because it cannot be checked.

## Core rule

Every claim in the answer comes from a page in the vault and names that page.
Anything you know but the vault does not is labelled as outside knowledge or
left out.

## Workflow