Muse Spark Open is now open-source from Meta with 816B parameters and 42B active parameters via a mixture-of-experts. It can be self-hosted without API dependency or third-party token usage.
Key points
Parameters: 816B total
Active MoE parameters: 42B
No API dependency, self-hostable on own infrastructure
Sources
Dynamic graph of primary school concepts open-sourced, 1,590 concepts
Dynamic graph of primary school concepts open-sourced with 1,590 concepts and 3,221 dependencies. First interactive experiment for age-7 kids covers heat and water. The approach aims to turn textbook material into tailored interactive experiences.
Key points
Open-sourced dynamic graph includes 1,590 concepts and 3,221 dependencies.
First interactive experiment targets age 7 and teaches heat and water.
Sources
REA released as MIT-licensed open source tool
REA (Reverse Engineer Anything) released as an MIT-licensed open source tool that turns AI coding agents into reverse-engineering machines. It can point at any codebase to generate architecture diagrams, dependency maps, and security audits, and claims M&A due diligence in days, not months.
Key points
Release: REA just dropped
License: MIT license, open source
Due Diligence: M&A due diligence in days, not months
Sources
Cybersecurity Theory Practice Ethics added to ChapterPal
Cybersecurity: Theory, Practice, and Ethics by Devharsh Trivedi (2026) is now in ChapterPal's collection of open textbooks. The book offers a practice-oriented introduction to cybersecurity for undergraduate and graduate students and instructors.
Key points
Book title: Cybersecurity: Theory, Practice, and Ethics
Included in ChapterPal open textbook collection
Sources
Tech In Schools Initiative joins Cartesia Startups Grant Program, adds real-time voice AI
Tech In Schools Initiative joined the Cartesia Startups Grant Program and announced they are building real-time voice AI into their platform to make learning more interactive, accessible, and human for every student. The post expresses pride in the achievement.
Key points
Joined Cartesia Startups Grant Program
Building real-time voice AI into the platform
Sources
Blackbox agent check between intent and action announced
Blackbox agent is the check between intent and action, built on origin_trail. It aims to add a safety layer for AI agents that run commands, install packages, and open files on trust.
Key points
Agent Blackbox is the check between intent and action.
Built on origin_trail.
Sources
- Original post
- github.com - Linked in the post

Sparky auto-grades written answers, 28 pending
Sparky now grades written answers automatically; 28 written answers are ungraded. Flint already scored multiple-choice questions automatically.
Key points
28 written answers.
Sparky grades written answers automatically.
Sources
Trader Shield demo upgrade adds Blackbox protection
Trader Shield demoed yesterday and received a major upgrade. The AI Trading Agent continues trading while the Hermes Agent uses Blackbox to keep agents away from wallets, seed phrases and exchange keys. Users are invited to test the new features and report breakages.
Key points
Demoed yesterday and got a big upgrade.
Hermes Agent uses Blackbox to keep agents away from wallets, seed phrases and exchange keys.
Sources
- Original post
- github.com - Linked in the post

