Marcus Henry
A Personal Knowledge System

Marcus's Second Brain

How a decorated communications professional organizes everything he knows, tracks every active project, and never loses an idea again.

17
Active Projects
367+
Archived Docs
1,159
Daily Notes
PARA
Framework
The Concept

What is a Second Brain?

A Second Brain is an external digital system that captures, organizes, and connects everything you learn, create, and want to remember — so your biological brain can focus on thinking, not storing.

Your Biological Brain

Extraordinary at making connections, generating ideas, and creative thinking — but terrible at storage. It forgets, conflates, and loses the brilliant idea you had at 2am.

Your Digital Second Brain

Perfect memory. Infinite capacity. Instantly searchable. Survives sleep, stress, and time. Lets your biological brain do what it's actually great at.

📥

Capture

Collect ideas, articles, meeting notes, research, and insights from everywhere — before they evaporate. Inoreader → Readwise → Craft is Marcus's pipeline.

🗂️

Organize

File information by where it will be useful, not where it came from. The PARA method keeps everything findable without taxing your memory.

🔗

Distill

Compress and connect ideas over time. The best insights from a book or conversation get surfaced and linked to active work when they're relevant.

🚀

Express

Build and create from what you've captured. Essays, briefs, presentations, and plans flow out of a well-maintained Second Brain instead of being created from scratch each time.


The Framework

PARA — How It's All Organized

Developed by Tiago Forte, PARA organizes everything by actionability — not by topic. Four buckets hold your entire digital life.

P
Projects

Active Work

Finite goals with a deadline. Things you're actively working toward right now.

17 active
A
Areas

Ongoing Roles

Responsibilities with no end date — things you maintain over time.

7 areas
R
Resources

Reference Material

Topics you're interested in that might be useful someday. Pure reference.

8 folders
A
Archive

Completed Work

Inactive items from the other buckets. Kept for reference. Out of the way.

367+ docs

The key insight: You don't file information by category (e.g., "health," "writing") — you file it by where it will be useful. A note about nutrition goes under a Project if you're actively working on weight loss, an Area if it's ongoing health maintenance, or Resources if it's just interesting research. Same information, different home depending on what's actionable for you right now.


The Implementation

Marcus's Craft Vault

Migrated from Obsidian on March 25, 2026 — Craft replaced a four-tool stack (Obsidian + Syncthing + Tailscale + TickTick) with a single cloud-native system.

Craft Second Brain

Cloud-native · Daily Notes built-in · Tasks as native checkboxes · MCP-connected to Claude

1 — Projects
17 docs
  • 🎯 FY26 Action PlanActive
  • 📰 Project Life Force StoryActive
  • 📅 Research Week 2026Active
  • 🔄 ORD Story WorkflowActive
  • 🎖️ VA Disability RatingActive
  • 📣 VA Research LinkedInActive
  • 💼 Professional OperationsActive
  • + 10 moreActive
2 — Areas
7 areas
  • 🏛️ VA / ORD (Work)26 docs
  • 🧠 Personal Growth16 docs
  • 👨‍👧 Family (Super Dad)6 docs
  • 🏠 House & Home4 docs
  • 💰 Finance & Taxes4 docs
  • 🥗 Diet & Health5 docs
  • 🎭 Arts & Performance1 doc
3 — Resources
8 folders
  • 🤖 AI Tools & Workflows3 docs
  • 📚 Books2 docs
  • 🏃 Lifestyle4 docs
  • 🏡 Home Reference4 docs
  • 🧪 Psychology1 doc
  • 💼 Career11 docs
  • 💡 Ideas1 doc
  • 🗂️ Assets
4 — Archive
367+ docs
  • ORD Website Refresh✓ Done
  • MD → FL Address Change✓ Done
  • Baseball Cards (HVAC/SVAC)✓ Done
  • Article: Translational RFAs✓ Done
  • NAVREF Submission✓ Done
  • End of Year Eval✓ Done
  • L.U.N.A. Project✓ Done
  • + many moreHistorical

The Journey

How the System Evolved

From scattered notes to a unified, MCP-powered knowledge system.

Pre-2024 · Background
Manual Era — Multiple Disconnected Tools
Notes scattered across various apps. No unified PARA structure. Ideas, projects, and reference material all in separate silos with no reliable retrieval system.
2024 · First System
Obsidian + the Four-Tool Stack
Built a PARA vault in Obsidian with numeric-prefixed folders. Required Syncthing for sync, Tailscale for secure network access, and TickTick as a separate task manager — four tools doing jobs that should be one.
Early 2025 · Capture Layer
Three-Tool Knowledge Pipeline
Established Inoreader (RSS triage) → Raindrop (passive bookmarking) → Readwise (intentional capture). Information from the world now flows into the system reliably instead of disappearing.
2025 · AI Integration
MCP Connections + Claude as Primary AI
Set up MCP integrations for Google Calendar, Gmail, Craft, and Readwise. Switched from ChatGPT to Claude. Built VoicePal voice-to-article workflow and an Apple Shortcuts voice-to-field-note system via the Claude API.
March 25, 2026 · Migration Complete
Craft Becomes the Single Source of Truth
Migrated from Obsidian to Craft. Four tools collapsed to one. Cloud-native (no Syncthing/Tailscale needed), daily notes built in, tasks as native checkboxes. All 8 active VA projects, home documentation, Notion databases, and personal knowledge moved over in one session.

Expression Layer

The Writing Pipeline

The Second Brain isn't just storage — it feeds Marcus's public writing presence under his own byline on LinkedIn and Substack.

Published

"The Nail Gun Test"

Personal essay exploring thresholds, standards, and what we're actually willing to accept. Live on LinkedIn + Substack.

Scheduled

"The Safe Place"

Men's work and vulnerability. Explores what it actually takes for a man to admit he needs help — and what happens when he does.

In Draft

Two Essays in Progress

Themes: grief and commitment. Both drawing from lived experience and men's work frameworks from BetterMen Coaching.

Platform: marcushenry.com · Voice profile: direct, peer-to-peer, grounded in specific experience, no motivational language · Workflow: VoicePal transcript → Claude editing → publish


The Stack

How the Tools Connect

Information flows from the world through a structured capture layer, into Craft as the core, and out through Claude-assisted expression.

Capture
📡 Inoreader (RSS) 🔖 Raindrop 📖 Readwise 🎙️ VoicePal
Core Brain
✦ Craft (PARA Vault) 📅 Craft Daily Notes
⇄ MCP ⇄
AI Layer
🤖 Claude (Primary) 📧 Gmail MCP 📅 Google Calendar MCP 📚 Readwise MCP
Express
✍️ marcushenry.com Essays 💼 VA Communications 🔗 LinkedIn 🌅 Morning Briefing

Status Check

Build Progress

Where the Second Brain stands today across its four core functions.

📥 Capture Layer (Inoreader → Readwise → Craft) Fully operational
🗂️ PARA Organization (All 4 buckets active) Strong foundation
🤖 AI Integration (Claude MCP connections) Deeply integrated
✍️ Expression / Writing Pipeline In motion
🔗 Resources & Distillation (connecting ideas across notes) Early stage