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philipyaz
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second-brain-query

Retrieve and synthesize knowledge from a domain-split wiki using grep and glob searches.

4|1|Updated Jun 10, 2026
Search Tags:#knowledge retrieval#knowledge management#domain knowledge#information access#wiki querying
One-click install
npx skills add https://github.com/philipyaz/cos --skill second-brain-query-philipyaz
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: second-brain-query
Source: https://github.com/philipyaz/cos/tree/main/vault/example-vault/.claude/skills/second-brain-query
Command: npx skills add https://github.com/philipyaz/cos --skill second-brain-query-philipyaz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

The Skill Unit simplifies access to a vast domain-split knowledge base, providing efficient querying of stored information, enhancing the retrieval and synthesis of knowledge.

Core Features & Use Cases

  • Knowledge Querying: Answers questions by searching through a domain-split knowledge wiki.
  • Domain-Specific Answers: Provides tailored responses based on the work, life, or both domains.
  • Read-Only Access: Ensures that all operations are read-only, enhancing safety and data integrity.
  • Use Case: When looking for information about a project or personal topic, the skill can quickly pull relevant information from the knowledge base.

Quick Start

To query the knowledge base, use the command: "What do I know about the project X?"

Frequently Asked Questions about second-brain-query

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I query a domain-split wiki for specific project knowledge?▼

To query a domain-split wiki, use a natural language prompt like "What do I know about project X?". The skill uses grep and glob operations to search designated domains and surfaces relevant structured and unstructured information.

What is the best way to retrieve information from a personal knowledge base without modifying files?▼

Retrieving information from a personal knowledge base safely requires read-only access. This skill operates exclusively in read-only mode, ensuring data integrity while searching and synthesizing information from your wiki.

Can I search across both work and life domains simultaneously in a knowledge wiki?▼

Yes, you can search across both domains. The skill provides domain-specific answers tailored to either work, life, or both, retrieving relevant data by leveraging strong indexing within the designated domains.

How does knowledge retrieval from a domain-split wiki actually work?▼

Knowledge retrieval works by using grep and glob operations to perform targeted searches within your domain-split wiki. It synthesizes stored information and provides tailored responses based on the queried domain.

Are there limitations when using grep and glob operations to search unstructured wiki data?▼

The main limitation is reliance on grep and glob indexing for searching unstructured data. While it provides efficient read-only access to domain-split information, complex semantic queries may be constrained by these text-based search operations.

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