Second Brain & Knowledge Management Skills for Claude Code, Codex & AI Agents

Turn owner, colleague, relationship or public-figure source material into reusable person profiles for personal agents.

titanwings

Answer project questions using the existing knowledge graph and relevant source files.

Egonex-AI

Build local records for decisions that need follow-up, including assumptions, outcomes, current state, and later review.

dontbesilent

Turn experiment images, voice notes and text into structured Markdown logs with YAML metadata and optional Obsidian or Feishu integration.

Jiahao8595 (Nature Skills contributor)

Turn books, papers, slides, and notes into source-grounded learning materials, interactive HTML study pages, and Markdown references.

dmoshehun-prog

Restore the latest diagnosis saved with dbs-save to resume its findings and unfinished work.

dontbesilent

Build and incrementally update the dependency graph used by code-review-graph.

tirth8205

Import visual references from an X/Twitter post into the numbered style library and refresh its galleries.

yang0

Organize an Obsidian vault into a connected knowledge system with source ingestion, linked notes, task tracking, and agent-assisted maintenance.

Eugeniu Ghelbur

Research an unfamiliar subject and organize source material into a publishable reference.

tw93

Build or incrementally update a codebase knowledge graph with architecture and dependency relationships.

Egonex-AI

Organize articles, documents, and conversation findings in a linked personal knowledge wiki.

zhayujie

Extract business concepts and workflows into an interactive domain flow graph.

Egonex-AI

Maintain a shared local Markdown notebook for findings that should survive agent sessions.

yamadashy

Analyze a Figma file into a graph of screens, components, instances and design tokens.

Egonex-AI

Map a wiki-style knowledge base with entities, implicit relationships and topic clusters.

Egonex-AI

Maintain personal character, prop and scene libraries with image replacement, metadata updates and refreshed galleries.

yang0

Explore repository structure, symbols, and dependencies through the code review knowledge graph.

tirth8205

Organize local drafts, posts, topics, cases, and course scripts into structured content assets and connected topic maps.

dontbesilent

Build a focused corpus from project observations, prime an AI session, and query that corpus conversationally.

Alex Newman (thedotmack)

Save the key state of the current diagnosis locally and inspect or configure its archive location.

dontbesilent

Turn code and documents into a persistent knowledge graph for architecture questions and exploration.

Graphify-Labs

Register a named or text-defined visual style in the numbered library using a supplied or generated representative image.

yang0

Launch an interactive dashboard for exploring a project’s saved knowledge graph.

Egonex-AI

Send one source document to NotebookLM and start a kawaii narrative slide deck using notebooklm-py.

Alex Newman (thedotmack)

Convert books, document folders and related sources into structured Agent Skills, with chapter files, frameworks, a glossary and reusable reference notes.

virgiliojr94

Operate NotebookLM notebooks, sources, grounded research, and generated artifacts through its Python API or CLI.

teng-lin