ContextOS — Second Brain

Remember everything. Save conversations, projects, prompts, and knowledge across AI tools.

As of June 2026, ContextOS — Second Brain has users in the Workflow & Planning category.

Usersno change0%
Ratingno change0%
— reviews
Reviewsno change0%
Version
2.0.0
Manifest V3

History

1 snapshots

Tracking since Jun 25, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
DateUsersRatingReviewsVersion
Jun 25, 20262.0.0
Now2.0.0

Permissions & access

Permissions
storageactiveTabscriptingalarmstabscontextMenus
Host access
http://localhost/*, https://app.contextos.dev/*, https://contextos-eta.vercel.app/*, https://contextos-production-d82a.up.railway.app/*, https://*.run.app/*, https://claude.ai/*, https://chatgpt.com/*, https://chat.openai.com/*, https://gemini.google.com/*, https://www.perplexity.ai/*, https://perplexity.ai/*, https://copilot.microsoft.com/*, https://chat.mistral.ai/*, https://grok.com/*, https://x.com/*, https://poe.com/*, https://huggingface.co/*, https://groq.com/*, https://console.groq.com/*, https://coral.cohere.com/*, https://you.com/*, https://openrouter.ai/*, https://chat.deepseek.com/*, https://kagi.com/*, https://vscode.dev/*, https://github.dev/*, https://github.com/*, https://lovable.dev/*, https://replit.com/*, https://bolt.new/*, https://stackblitz.com/*, https://chat.qwenlm.ai/*, https://cursor.com/*

Screenshots

ContextOS — Second Brain screenshot 1

About

ContextOS is your second brain for AI.

Save conversations, prompts, ideas, and project context from your favorite AI tools. Never lose important information and continue where you left off.

Features:

• Save conversations and memories
• Store prompts and ideas
• Preserve project context
• Search your saved knowledge
• Continue work across AI tools
• Reduce repetitive explanations
• Stay organized and productive

ContextOS helps creators, developers, students, and professionals keep their AI knowledge organized and accessible.

Why install ContextOS?

✓ Never lose important conversations
✓ Save prompts and project context
✓ Access your knowledge instantly
✓ Continue previous discussions easily
✓ Keep everything organized in one place

Whether you're coding, writing, researching, or brainstorming, ContextOS helps you remember everything that matters.

Technical

Version
2.0.0
Manifest
V3
Size
91.05KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
lofknjnllpgmbhnipkcblgmeijmeobbl
Developer ID
ueb87490e174379db20be1375a3f17cae
Developer Email
[email protected]
Created
Jun 24, 2026
Last Updated (Store)
Jun 24, 2026
Last Scraped
Jun 25, 2026
Website
usecontextos.com

Data sourced from the Chrome Web Store · last verified Jun 25, 2026.