Claude Skills · Documents & Spreadsheets
Second Brain Ingest
undefined-ui/second-brain-osTurn raw source material in a second-brain vault into linked wiki pages: read the source, split it into concepts and entities, write or update pages, connect them to existing pages, and record the run in the log. Use this skill whenever the user drops a file into raw/, pastes an article, transcript or PDF and asks to add it to the vault, says "ingest this", "add this to my second brain", "process raw", or asks to catch up on unprocessed sources, even if they do not name the ingest command. Do NOT use for answering questions from an existing vault, for linting or repairing pages, or for editing...
At a glance
This skill is for Documents & Spreadsheets and helps you ingest articles into a wiki vault, process raw source material into linked pages, and extract concepts and entities from documents.
git clone --depth 1 https://github.com/undefined-ui/second-brain-os
cp -r second-brain-os/skills/second-brain-ingest ~/.claude/skills/second-brain-ingest
Wikiknowledge-basemarkdownLinkingContent Organizationsecond-brain
Also in undefined-ui/second-brain-os
View the repoImport a large archive into the vault in controlled batches: triage what is worth ingesting, process oldest first, checkpoint after every ba...
Trace where the user's recorded position on something has shifted: superseded claims, contradictions between sources of different dates, and...
Triage an exported chat history into what to ingest, what to archive and what to delete, with a privacy pass first. Use this skill when the...
Analyse the vault's link graph and report on its shape: orphan rate, average degree, components, hubs, bridges and clusters, with what each...
Audit a second-brain vault for structural problems and repair them: broken wikilinks, orphan pages, empty stubs, frontmatter that violates t...
Merge two pages that describe the same thing, preserving every distinct claim, redirecting inbound links, and recording the merge. Use this...
Record a dated snapshot of the vault's health numbers and compare against previous snapshots so trends are visible. Use this skill for a mon...
Audit the vault for material that should not be in it: credentials, other people's private information, confidential work, and anything the...
Set up or update a project in the vault: the four-stage folder pipeline, a project-scoped CLAUDE.md with one goal, and links to the concept...
Prepare a subset of the vault for publishing: check opt-in flags, find private material, and report what would leak through links before any...
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 cont...
Generate questions from the user's own concept pages so they can find out what they saved but never learned, and compare their answers again...
Other Documents & Spreadsheets skills
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Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a pos...
Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files) or Word templates (.dotx files). Tr...
Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or...
Turn the current conversation into a spec and publish it to the project issue tracker — no interview, just synthesis of what you've already...
Compact the current conversation into a handoff document for another agent to pick up.