Brain init

Skill jame581/LogseqBrain/skills/brain-init

Persistent memory for Claude using a dedicated Logseq graph. Save and load project context, decisions, and progress across sessions and devices.

Install

npx -y skills add jame581/LogseqBrain --skill brain-init

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Set up the Claude Brain Logseq graph (first-time) or add a new project page. Triggers: "init brain", "setup brain", "init brain project <name>", "add project to brain". Don't fire for loads, saves, or status checks — those are handled by brain-load, brain-save, and brain-status.

SKILL.md

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Brain Init

Initialize the Claude Brain Logseq graph or add a new project page to an existing graph.

Prerequisites

Resolve the graph path per skills/_shared/path-resolution.md. If the resolved folder is empty or missing core files, this skill performs first-time setup (below). Otherwise it adds a new project to the existing graph.

First-Time Graph Setup

If the graph folder is empty or missing core files, initialize it:

Create logseq/config.edn with minimal Logseq config:

{:meta/version 1
 :preferred-format "Markdown"
 :journal/page-title-format "yyyy-MM-dd"
 :journal/file-name-format "yyyy_MM_dd"}

Create pages/Index.md — the master index page:

type:: index
description:: Master index of Claude's brain — all projects and key pages

- ## Projects
  - _No projects yet. Use "init brain project [name]" to add one._
- ## Quick Links
  - [[Meta]] — preferences, working style, conventions
  - [[Decisions]] — cross-project decision log

Create pages/Meta.md — for storing user preferences and conventions:

type:: meta
last-updated:: {{today}}

- ## User Preferences
  - _Add preferences as they emerge from working sessions._
- ## Conventions
  - _Add naming conventions, coding style preferences, etc._
- ## Tools & Stack
  - _Add commonly used tools, languages, frameworks._

Create pages/Decisions.md — cross-project decision log:

type:: decisions
last-updated:: {{today}}

- ## Decision Log
  - _Decisions that span multiple projects or are general in nature._

Create the journals/ directory with a .gitkeep file to ensure it persists in version control. Use mkdir -p via Bash or create journals/.gitkeep with the Write tool. This directory must exist before brain-save can write journal entries — do not skip this step.

Replace {{today}} with the current date in yyyy-MM-dd format.

Confirm to the user that the graph is ready and they can open it in Logseq.

After confirmation, write a journey-log entry per skills/_shared/journey-log.md with the activity line: initialized graph at <graphPath>.

Adding a New Project

When the user wants to add a project (e.g., "add MyProject to brain", "init brain project GameDev"):

Determine the project name from the user's request.
Ask the user for a brief description and any initial context for the project (tech stack, repo location, key info) — gather this before writing the page. The template (references/templates.md) uses the same description in three places: focus::, the Digest Identity bullet, and ## Overview. If the description exceeds 120 bytes, use a short form for focus:: (the digest property cap — see skills/_shared/digest.md) and keep the full text in ## Overview and the Digest Identity bullet.
Create the project page at pages/Projects___<ProjectName>.md using the template from references/templates.md, substituting the gathered description into focus::, the Digest Identity bullet, and ## Overview. The triple underscore ___ is how Logseq represents the / namespace separator in filenames — so this page will appear as Projects/ProjectName in the Logseq sidebar.
Measure the page and resolve {{page_size}}. This is the one placeholder that can only be filled after the Write: run wc -c on the new file, round to the nearest 10 bytes, then Edit the literal {{page_size}} bullet to the rounded figure (references/templates.md has the rounding rule and why an exact figure would be a small lie). Do not skip this — a fresh page ships with {{page_size}} still in it until this step runs.
Confirm no template placeholder survives. Check for this template's three placeholders specifically, not for {{ in general:
```
grep -cE '\{\{(today|project_description|page_size)\}\}' "pages/Projects___<ProjectName>.md"
```
must return 0. A bare {{ search would be wrong twice over: {{query}} and {{embed}} are legitimate Logseq macros that code-in-braces explicitly whitelists, and a user's project description may contain {{ of its own — matching either would send you "replacing" content that was never a placeholder. If it doesn't, find and replace the remaining placeholder before continuing — a literal {{...}} left in the graph is a code-in-braces violation, exactly the kind of format break this plugin exists to prevent.
Update pages/Index.md — add a link to the new project under the Projects section:
- [[Projects/<ProjectName>]] — <brief description>

Confirm the project page was created and remind the user they can now use "save to brain" during work sessions and "load [project]" to restore context.

After confirmation, write a journey-log entry per skills/_shared/journey-log.md with the activity line: created project [[Projects/<ProjectName>]].

Date Format

Always use yyyy-MM-dd format for dates (e.g., 2026-04-12). This matches Logseq's journal format and sorts correctly.

Important Notes

See CLAUDE.md "Logseq format invariants" for namespace separators, bullet format, properties, link syntax, and date format.
When creating the journals/ directory, use Bash (mkdir -p) or the Write tool to ensure it exists — do not skip this step.