Second Brain: Projects, Ops, Ideas, and AI Knowledgebase

Source:

Links and resources for Sigma Browser and related tools
Created: June 16, 2026
Purpose: Organize links, project notes, AI tools, app ideas, and research into a clean second-brain structure.

Color Key

  • 🔴 Active Projects — things currently being built or tested

  • 🟠 Work & Operations — hotel, front desk, guest service, HR, schedules, and internal workflows

  • 🟡 Ideas & Brainstorming — early concepts, product ideas, and unfinished thoughts

  • 🟢 Learning & Research — guides, articles, documentation, and product research

  • 🔵 AI, Coding & App Building — AI agents, APIs, automation, coding tools, and prototypes

  • 🟣 Knowledge Management / Second Brain — notes, organization systems, search, memory, and knowledge graphs

  • âš« Personal Admin / Sensitive — accounts, credentials, finance, private documents, and secure links

  • ⚪ Reference Library / Archive — useful later, duplicate, or low-priority material

🔴 Active Projects

🔴 Sensemaking / Second Brain Experiments

Category: Active Projects
Status: Active / in progress
Purpose: Build or test systems for organizing, connecting, and retrieving knowledge.

Links

Related Topics

  • Second brain system

  • Knowledge graph organization

  • Natural-language search

  • AI-assisted file organization

  • Personal knowledge management

🔴 Hotel Operations / Front Desk AI

Category: Active Projects + Work & Operations
Status: High priority / active build
Purpose: Create an AI-powered hotel operations platform for front desk workflows, guest support, staff tools, local recommendations, and automation.

Project Links

Core Idea

Build an AI-powered hotel operations system that supports:

  • Front desk workers

  • Guest check-in workflows

  • Guest messaging

  • Hilton Honors enrollment

  • Local recommendations

  • Review monitoring

  • Sales outreach

  • HR and staff resources

  • Schedules and group resumes

Feature Ideas

Local Recommendations

Add local finds to the QR code section, including:

  • Restaurants

  • Bars

  • Nightlife

  • Local activities

  • Places within a 5-mile radius

  • Real-time synced local data

Autonomous AI Agents

Create autonomous agents that can:

  • Browse the web

  • Fill out forms

  • Check guests in

  • Respond to messages

  • Sign guests up for Hilton Honors

  • Give advice to front desk workers

  • Handle sales outreach

  • Send cold emails

  • Make cold calls

  • Respond to positive and negative reviews

Review Intelligence System

Create an agent that can:

  • Scrape review sites

  • Find positive and negative reviews

  • Analyze guest sentiment

  • Generate visual reports

  • Show the financial impact of reviews

Staff / Operations Links To Add

  • DailyPay

  • Go Hilton

  • HR portal

  • Pay stubs

  • Time clock

  • New schedules

  • New group resumes

Action Items

  • Add local recommendations to QR code section.

  • Add restaurants, bars, nightlife, and activities within 5 miles.

  • Add real-time sync data for local recommendations.

  • Decide which API keys are needed.

  • Upload the new schedule.

  • Upload new group resumes.

  • Add DailyPay, Go Hilton, HR, pay stub, and time clock links.

  • Build review scraping workflow.

  • Build visual review impact report.

  • Add autonomous agents for guest service and front desk tasks.

🔴 App Builders / Prototypes

Category: Active Projects + AI, Coding & App Building
Status: Active / testing
Purpose: Apps, prototypes, dashboards, and experiments created with Replit, Manus, Netlify, Lovable, Base44, Claude, and other builders.

Links

Suggested Subfolders

  • App prototypes

  • Hotel operations builds

  • Browser/AI assistant experiments

  • Public demos

  • Replit projects

  • Manus projects

  • Netlify projects

🔵 AI, Coding & App Building

🔵 Sigma Browser

Category: AI, Coding & App Building
Status: Research / tool evaluation
Purpose: Browser with AI tools, private browsing, chat with page, local AI chat, deep research, and AI agents.

Links

Related Ideas

  • Browser automation

  • AI agents

  • Chat with page

  • Private AI browsing

  • Deep research workflows

🔵 Manus AI Tools

Category: AI, Coding & App Building
Status: Research / reference
Purpose: AI agent skills, browser automation, summarizers, planners, and productivity tools.

Links

Related Ideas

  • Autonomous browser operator

  • Task automation

  • AI music generation

  • AI trip planning

  • Document summarization

  • Agent skill building

🔵 OpenAI Codex

Category: AI, Coding & App Building
Status: Important reference
Purpose: Learn Codex prompting, browser use, sites, app-building workflows, and best practices.

Links

Related Ideas

  • Building native apps with AI

  • Browser automation

  • Prompting best practices

  • AI coding teammate

  • Proof-of-concept app development

🔵 API & AI Platforms

Category: AI, Coding & App Building
Status: Reference / technical setup
Purpose: API documentation, keys, AI platforms, and development infrastructure.

Links

Notes

  • Store API keys and credentials in a secure place.

  • Do not keep reset links, tokens, or private keys in general notes.

🔵 Agent / Browser Automation Tools

Category: AI, Coding & App Building
Status: Research / tool evaluation
Purpose: Tools for autonomous agents, browser control, web automation, workflows, and MCP connectors.

Links

Related Ideas

  • MCP connectors

  • Chrome automation

  • n8n workflows

  • Make automations

  • Slack integrations

  • Autonomous web agents

🟣 Knowledge Management / Second Brain

🟣 Obsidian

Category: Knowledge Management / Second Brain
Status: Reference / possible system
Purpose: Notes, vaults, syncing, clipping, importing, and plugins.

Links

Related Ideas

  • Apple Notes import

  • Bear import

  • Obsidian sync

  • Web clipping

  • Vault management

  • Plugin-based knowledge workflows

🟣 Smart Connections

Category: Knowledge Management / Second Brain
Status: Reference / research
Purpose: Semantic search and AI-powered connections inside a knowledge base.

Links

Related Ideas

  • Embeddings

  • Semantic linking

  • Related notes

  • AI-assisted note discovery

🟣 DEVONthink

Category: Knowledge Management / Second Brain
Status: Research / reference
Purpose: Document storage, research organization, and knowledge archive.

Links

🟣 Amplenote

Category: Knowledge Management / Task Management
Status: Research / reference
Purpose: Notes, tasks, plugins, and possible AI agent extensions.

Links

🟣 Capacities

Category: Knowledge Management / Second Brain
Status: Research / API exploration
Purpose: Possible knowledge base or second-brain platform.

Note

  • Research Capacities API.

🟢 Learning & Research

🟢 AI News & Product Research

Category: Learning & Research
Status: Reference
Purpose: Track AI product launches, agent tools, browser automation, and AI assistant updates.

Links

🟢 Things App Research

Category: Learning & Research / Task Management
Status: Reference
Purpose: Understand Things features for task management, scheduling, and project organization across Apple devices.

Core Productivity & Task Management

  • Today and This Evening: Tasks scheduled for today, with a separate section for evening tasks.

  • Upcoming List: Chronological view for tasks in the coming days and weeks.

  • Someday List: Long-term goals, ideas, and non-urgent tasks.

  • Headings: Visual dividers for breaking down projects.

  • Checklists: Subtasks inside larger tasks.

Navigation & Workflow Efficiency