







Control is safety. Openness is danger.
Open by Design: ROOST's Approach to Safety Tool Development

A Safe Path to Open Weights
Strategic openness can strengthen AI safety and support broader access as defenses and safety science mature.

The Meaning of Open
There are a lot of misconceptions about what open means, when it is the right strategy to apply, and the fundamental tradeoffs that go…
Robust Open Online Safety Tools

Robust Open Online Safety Tools

Introducing gpt-oss-safeguard
OpenAI introduces gpt-oss-safeguard—open-weight reasoning models for safety classification that let developers apply and iterate on custom policies.

ROOST at AtmosphereConf 2026
Robust Open Online Safety Tools or ROOST is a new non-profit entity designed to address the urgent need for accessible, high-quality safety tools in the rapidly evolving digital landscape.

It's Safer in the Front
Faced with intensifying repression and state violence, there is an understandable inclination to seek safety by avoiding confrontation. But this is not always the most effective strategy.

We’re Squandering LEDs’ Potential to Save Our Night Skies
Bad decisions have turned efficient technology into a driver of light pollution. There is a better way

An Open Letter to the UK Government: Reconsider the Online Safety Act
To the Prime Minister, Members of Parliament, and the Secretary of State for Science, Innovation and Technology,
Dangerzone
Take potentially dangerous PDFs, office documents, or images and convert them to a safe PDF.

How Bluesky Transformed their Safety Operations with Osprey
Robust Open Online Safety Tools or ROOST is a new non-profit entity designed to address the urgent need for accessible, high-quality safety tools in the rapidly evolving digital landscape.

Links from trust and safety unconference (thanks @julietshen.bsky.social!) #AtmosphereConf
trust and safety unconference (by Gov) — Semble
semble.so