Welcome to NoodleSync
Your second brain,
built for Claude.
built for Claude.
A second brain is an external system that captures, organises, and connects everything you know -- so your actual brain stays free for thinking, not remembering. NoodleSync builds yours, designed from the ground up for Claude.
It draws on established personal knowledge management thinking -- including Tiago Forte's PARA framework and CODE workflow -- but adapts them to take full advantage of what modern AI actually makes possible: not just filing and retrieval, but active processing, synthesis, and real-world action. The result is a system that doesn't just hold your knowledge. It works with it.
Answer a few questions and NoodleSync generates a one-shot prompt that sets everything up inside Claude Cowork -- your folder structure, instruction files, scheduled tasks, and all.
It draws on established personal knowledge management thinking -- including Tiago Forte's PARA framework and CODE workflow -- but adapts them to take full advantage of what modern AI actually makes possible: not just filing and retrieval, but active processing, synthesis, and real-world action. The result is a system that doesn't just hold your knowledge. It works with it.
Answer a few questions and NoodleSync generates a one-shot prompt that sets everything up inside Claude Cowork -- your folder structure, instruction files, scheduled tasks, and all.
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Everything flows left to right. Raw inputs of any kind drop into the Drop-zone, where Claude parses, tags, and routes them. Material is organised into Areas and Projects inside the brain, all distilled into a central CODEX -- a live index of everything you know. From there, Claude surfaces tasks, prompts, deadlines, and encouragement, and reaches out through connected tools to act on your behalf.
This system builds on the work of Tiago Forte (PARA & CODE), was inspired by @defileo's post on X, and Maggie Appleton's visual notes of Tiago's course are worth your time.
Step 1 of 8
Name Your Noodle
Choose something short and personal. This is what you and Claude will call your second brain when you talk to each other. Two to four letters works best.
Brain name
Some examples: MOS (Mary's OS) · SAM (Second Active Mind) · HAL · HIVE · CORE · ATLAS · PINKY etc.
How should Claude talk to you?
Brutal
Proceed with caution
Completely direct. No softening of feedback. Problems called out clearly, without hedging.
Firm but kind
Recommended
Honest and clear, with care for how it lands. The default for most people.
Very gentle
Warm and encouraging
Supportive framing, positive where possible. Honest, but never harsh.
Regardless of this choice, your brain will never flatter or agree with you just to be agreeable. That is always switched off.
Step 2 of 8
About you
Claude works best when it has a clear picture of who it is working with. This gets written into your second brain's instruction file, so you never have to re-introduce yourself at the start of every session.
Identity
One or two sentences is enough. Claude uses this as working context, not a CV.
Step 3 of 8 -- PARA: Areas
Your Areas
In the PARA system that underpins this approach, Areas are the ongoing parts of your life that you maintain indefinitely. They have no finish line. Your work, your creative practice, your health, your finances.
These become the domain folders inside your second brain. Add only the areas that genuinely generate knowledge you want to return to. You can always add more Areas later.
These become the domain folders inside your second brain. Add only the areas that genuinely generate knowledge you want to return to. You can always add more Areas later.
Your ongoing areas of life and work
Examples: Work, Creative practice, Writing, Health, Learning, Family, Finance, Side projects. Three to six areas is a good starting point.
Areas vs Projects. Areas have no finish line (your practice, your health). Projects do (a grant application, a specific commission, a product launch). You will add active projects in the next step.
Step 4 of 8 -- PARA: Projects
Your active Projects
Projects are time-bound efforts with a defined endpoint. A website relaunch, a product release, an event, a deliverable with a deadline. They have a finish line, and they live separately from your Areas.
Give each one a shorthand nickname and a brief description. The nickname is the word you would actually use in a voice note or quick message.
Give each one a shorthand nickname and a brief description. The nickname is the word you would actually use in a voice note or quick message.
Project name / nickname / one-line description
Active projects only. Two or three is enough to start. You can always update this later.
Step 5 of 8 -- PARA: Areas / People
Your people and relationships
People are part of your Areas -- relationships you maintain over time. When you use your brain in real life, you will speak casually. You might say "Jo" instead of your colleague's full name, or "my partner" instead of a person's name.
This step builds what is called a decoder ring in your instruction file: a simple lookup table that maps your personal shorthand to the full context Claude needs. It is how Claude knows who you mean when you speak naturally, without you spelling it out every session.
This step builds what is called a decoder ring in your instruction file: a simple lookup table that maps your personal shorthand to the full context Claude needs. It is how Claude knows who you mean when you speak naturally, without you spelling it out every session.
Name or nickname / role in your life
Family, close friends, colleagues, clients, collaborators. You can update this directly in your instruction file any time, so do not worry about getting it complete now.
Step 6 of 8 -- Naming
Name your folders
The core folders of your brain have names that reflect how you think about them. These names appear throughout your system and in how Claude refers to things when it talks to you.
Synthesis layer
CODEX
WIKI
DISTIL
The synthesis layer is where your second brain stores compiled, interlinked knowledge. Unlike standard AI retrieval (which searches raw documents fresh every session), this layer pre-digests your material into structured pages that Claude maintains as your collection grows. It is faster to query, richer in connections, and gets more useful over time. Choose a name that reflects how you think of this layer: CODEX (a personal compiled body of knowledge), WIKI (familiar, interlinking pages), or DISTIL (emphasis on compression and refinement).
Drop zone
Inbox
Ingest
Dump
Capture
Drop-Zone
This is where everything enters your second brain first. Voice note transcripts, web clippings, rough ideas, photos of handwritten notes, article summaries, anything. You drop material here without worrying about organisation. Claude processes the contents during each ingest session and files everything appropriately. The only rule: once something is in here, Claude treats it as source material and never modifies it.
Master instruction file
Stem
Claude
Master
Instructions
This file is Claude's complete operating manual for your second brain -- the automatic, always-on layer that runs in the background. Every session begins with Claude reading it, which is how it understands your brain without needing to be re-briefed each time. You can update it any time as your needs evolve, and Claude can propose amendments when it notices gaps.
Step 7 of 8 -- Automation
Scheduled tasks
Your second brain works best when it runs on a rhythm. The core tasks below are always active. You can also add optional tasks that suit your working style.
Always active
ON
Daily Ingest
Claude processes new content in your drop zone, updates your synthesis layer, and surfaces anything that needs your attention.
Daily
ON
Weekly Health Check
Claude runs the reranker across your synthesis layer -- updating citation counts, freshness scores, and page maturity -- then flags orphans, stale content, and anything unprocessed for more than a week.
Fridays
ON
Monthly Health Review
Claude runs a full maintenance pass: updates all citation and freshness scores, reviews schema proposals, surfaces orphans, merge candidates, and archive candidates. Findings are written to health-checkup.md and surface once in your next normal chat -- no action needed until you're ready.
First of each month
Optional tasks
Daily Task Review
A brief daily check-in: your tasks, what needs attention today, and anything time-sensitive from your brain. Useful if you want Claude to act as a daily assistant, not just a knowledge system.
Daily at a time you choose
Time
Monthly Big Picture Check-in
Claude steps back and reviews your projects, areas, and what your brain has ready to produce. It gives you a high-level view of where things stand and what might deserve more attention. Good for anyone who tends to get absorbed in detail and lose sight of the larger picture.
First of each month
Once your second brain is set up, you can create additional custom scheduled tasks directly inside your Cowork project -- giving them any name, schedule, and prompt you like.
Step 8 of 8
Ready to build
Your second brain is configured. Follow the steps below to set everything up. It takes about ten minutes from start to finish.
1
Create your vault folder
Your second brain lives in a single folder on your computer. Create it now, before you do anything else. Give it the same name as your brain (e.g. GOS).
Where to put it: If you want to add content from your phone -- voice note transcripts, quick text captures, photos -- place the folder inside a location that is already synced to a cloud service: your iCloud Drive folder, Google Drive folder, Dropbox, or OneDrive folder. Files you drop there from your phone will appear on your computer automatically, ready for the next ingest.
If you only ever work from your computer, any local folder will do.
If you only ever work from your computer, any local folder will do.
2
Set up a Cowork project in Claude
You need the Claude desktop app with a Pro subscription. Cowork mode is where your second brain lives -- it keeps context across sessions and supports scheduled tasks.
2.1
Install the Claude desktop app if you have not already. Download it from claude.ai/download. You will need a Pro subscription to use Cowork mode.
2.2
Open Claude. In the left sidebar, look for the Cowork icon -- it looks like a small grid or panel icon. Click it.
2.3
In the Cowork panel, click Projects.
Make sure you are looking at "Projects" inside the Cowork panel -- not the regular Chat area. They are in separate sections of the sidebar.
2.4
Click the New project button (top right of the Projects screen).
2.5
In the dialog that appears, select Use an existing folder and choose the vault folder you just created in Step 1.
2.6
Name your project GOS and confirm.
3
Add the project instruction
Cowork projects have an Instructions field -- a short persistent note that Claude reads at the start of every session in this project. Copy the text below and paste it into that field. This is how Claude knows to orient itself every time you open your brain.
At the start of every session, read GOS/99-OPERATIONS/SCHEMA.md and orient yourself before responding to any request. This file is your complete operating manual for this second brain.
You will find the Instructions field in the project settings, usually accessible via a settings or edit icon near the project name.
4
Build your brain
Click the button below to generate your one-shot setup prompt. Then paste it into the chat window of your new Cowork project and send it. Claude will create all the folders, write your instruction file, and confirm when everything is ready.
If Claude asks for permission to create folders or schedules: allow it. The setup prompt tells Claude exactly where to build everything inside your vault folder.
Paste this into your Claude Cowork chat window
5
Set up Obsidian Optional
Obsidian is a free app that gives you a beautiful interface to browse and read everything in your second brain -- like a personal Wikipedia with a graph view of all your connected pages. Claude does the writing and organising; Obsidian is purely a reading layer. You do not need it to run your brain, but most people find it valuable once their collection grows.
5.1
Download Obsidian for free from obsidian.md and install it.
5.2
Open Obsidian. On the startup screen, choose Open folder as vault and select your vault folder -- the same one you created in Step 1 and pointed Claude at in Step 2.
5.3
In Obsidian: go to Settings > Files and Links > Excluded files and add
99-OPERATIONS. This keeps your system files out of the graph view and search results.
Once set up, Obsidian shows you everything Claude has built: your CODEX pages, area folders, project stubs, and their connections. The graph view is especially useful for spotting clusters of related knowledge and pages that have no links yet (orphans).
6
Next steps Optional
Once your brain is running, two integrations will make it significantly more powerful: seamless capture from your phone, and connecting Claude to your email and calendar.
Capture audio notes automatically
The most frictionless capture method is voice: record a thought on your phone, and have it appear in your Drop-zone as a text file, ready for the next ingest. A few ways to set this up:
6.1
iPhone + iCloud + MacWhisper. Record voice memos on your iPhone -- they sync automatically to iCloud Drive. Point MacWhisper (Mac app) at your Voice Memos folder and set it to auto-transcribe new files using OpenAI Whisper. Move the resulting text files into your Drop-zone folder. No manual steps.
6.2
Whisper locally (any platform). Install whisper.cpp or the Python
openai-whisper library and write a small script that watches your audio folder and transcribes any new file into your Drop-zone. Runs entirely offline, no subscription needed. I use a dedicated voice recorder, a phone syncing app that pushes recordings to my cloud service, which automatically syncs to my local Drop-zone folder — whisper.cpp watches that folder and transcribes any new file as it arrives.6.3
AudioPen or Otter.ai. These apps transcribe and lightly clean up voice notes in the cloud. Both can email or export transcripts -- set the export destination to your Drop-zone folder (via your cloud sync). AudioPen is particularly good at turning rambling voice notes into coherent written thoughts before they arrive.
The more you use it, the smarter it gets
The more cross-linked markdown files your second brain accumulates, the better Claude gets at connecting ideas, surfacing patterns, and generating insight. Talk to it about everything — not just work. Many people find it becomes their most frictionless journaling tool: just speak your thoughts, and the system files, links, and remembers them for you.
The more cross-linked markdown files your second brain accumulates, the better Claude gets at connecting ideas, surfacing patterns, and generating insight. Talk to it about everything — not just work. Many people find it becomes their most frictionless journaling tool: just speak your thoughts, and the system files, links, and remembers them for you.
Connect Claude to Gmail and Calendar
With email and calendar access, Claude can read your incoming mail, draft replies, create and read calendar events, and surface commitments and deadlines automatically during your daily ingest -- without you having to copy anything across manually.
6.4
Install the Gmail and Calendar connectors in Cowork. In the Claude desktop app, open your second brain Cowork project and go to Settings → Connectors. Search for Gmail and Google Calendar and connect both. Once authorised, Claude can read threads, draft messages, and manage events directly from your project.
6.5
Tell your brain about it. Once connected, ask Claude: "I've connected Gmail and Calendar -- update my instruction file to include email triage and calendar awareness in the daily ingest routine." Claude will propose an amendment to your STEM file for your approval.
A work in progress
NoodleSync is a work in progress and I’m still learning. Any advice or input would be very welcome — feel free to reach out via polygram.co.za.
This project took a lot of research, time, and compute credits to build and refine. If it’s given you value, please consider buying me a coffee on Ko-fi ☕ — it genuinely helps keep the work going.
NoodleSync is a work in progress and I’m still learning. Any advice or input would be very welcome — feel free to reach out via polygram.co.za.
This project took a lot of research, time, and compute credits to build and refine. If it’s given you value, please consider buying me a coffee on Ko-fi ☕ — it genuinely helps keep the work going.