ROOST

@roost

We’re ROOST (Robust Open Online Safety Tools), a non-profit building and maintaining open source, accessible, high-quality, transparent safety tools for digital organizations of all kinds. roost.tools

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Bluesky

¿Es tu perfil?Reclámalo y roost.dirty.social es tuyo.Reclamar perfil

ROOST@roost· 4d

ROOST OSS Community Manager @cassidyjames.com is at #FOSSY in Vancouver through Sunday! FOSSY runs Aug 6–9 at UBC, hosted by the Software Freedom Conservancy. Our tools are free, open source, and self-hostable. The latest Osprey ships ATProto plugins. Come say hi! roost.tools/blog/osprey-...

Photo of ROOST head of OSS community pictured at FOSSY, a conference in Vancouver.

ROOST@roost· 6d

Another day at the Crimes Against Children Conference. Time well spent with folks from Cinder and Thorn, and demoing Coop, the world's first free, open source review and enforcement system any org can self-host, with NCMEC reporting built in. Nobody solves this alone. #CACC2026

ROOST Head of Product Juliet Shen demoing open source safety tool called Coop at a conference.

Photo of representatives from Thorn, ROOST, and Cinder.

ROOST@roost· 7d

ROOSTERs @julietshen.bsky.social & @kristinalvandi.bsky.social are at the Crimes Against Children Conference #CACC2026. We work w/everyone (platforms, nonprofits, vendors) to make detection, review, & reporting tools widely available so all organizations can study, modify, & use them. Come see us!

ROOST Head of Product Juliet Shen at the ROOST booth at the 38th Crimes Against Children Conference.

ROOST@roost· 19d

That's a wrap on TrustCon 🐓 3 days, 6 sessions, 1 launch (Osprey 1.1.0!), many chicken hats. Favorite moment: non-engineers building working moderation rules in our workshop — safety tooling you can study, modify, and use. One year of Coop & Osprey. Just getting started.

ROOST team members smiling together at TrustCon 2026 in San Francisco.

Discord and ROOST hosts speaking at a Happy Hour.

Hallway conversations at TrustCon. Two men speaking.

ROOST@roost· 20d

Final day of #TrustCon. We saved the hands-on stuff for last. 1 PM: ship your own T&S tooling with Coop + Osprey (incl. today's 1.1.0). No-code path or run it locally. Your practice labels land on real posts right here on @bsky.app. 3 PM: AI Can't Touch This: Where AI actually helps T&S Say hi!

📸L to R: Juliet Shen, Cassidy James Blaede, Juan Mrad, Anne Bertucio, Camille François

ROOST@roost· 21d

TrustCon day 2 💚 Thank you to everyone who packed yesterday's panel on what open source means for your T&S stack with @julietshen.bsky.social. Fitting week: 1 yr ago today we introduced Coop & Osprey. Today they help protect 360M+ users, including 45M events/day right here on Bluesky. roost.tools

Panel on trust and safety hosted by ROOST at TrustCon 2026.

ROOST@roost· Jul 9

We celebrated last night by convening fellow allies in Geneva for a conversation on building AI safety in the open and heard from builders wanting better safeguards for kids-focused products, from funders architecting public interest infrastructure, and from researchers working on AI accountability.

Thank you to Yoshua Bengio, Dr. Joy Buolamwini, Tristan Harris, Maria Ressa, Megan J Smith, Ayah Bdeir, Marija Manojlovic, Andrew Sliwinski, Amanda Craig Deckard, Mark Schaan, Martin Tisné, Ryan Mcmaster, Hon.William Kabogo Gitau, E.G.H., and Benjamin Prud'homme for the great remarks, insights and partnership.

ROOST@roost· Jun 9

On the integration side, Coop now supports OpenAI's omni-moderation-latest model as an image moderation signal source. HMA (hasher-matcher-actioner) exchanges can now be configured directly from the Coop UI, removing the need to manage that setup separately. You still need your own NCMEC creds!

A screenshot of Coop's UI showing the page for creating hash banks. The backend is HMA, hasher-matcher-actioner, and the UI allows you to configure a third-party signal exchange like NCMEC. You still need your own credentials, but Coop makes it easy to select what environment and ESPs you want to get hashes from

ROOST@roost· Jun 9

We had multiple platforms adopt Coop during the 1.0 development cycle, which gave us critical real-world feedback. Several significant capabilities shipped as a result: User Strikes are now enabled, giving platforms a native way to configure, track, and act on repeat violations directly within Coop

a screenshot of Coop's interface showing a page configuring user strikes. There are 4 tabs: policy scores where you weight policies, strike enabled actions to select what actions can be triggered by strikes, thresholds and settings to set the threshold for a strike and how long the TTL for counting strikes is, and analytics

ROOST@roost· Jun 9

Coop 1.0 comes with a simplified infrastructure and ways to deploy, new features, and (much) improved documentation! Check out what's possible for your team and explore the features here: www.loom.com/share/3043f9...

A yellow background with black text saying Coop: Review and moderation, your way.

ROOST@roost· Jun 2

En matière d'IA et de sécurité en ligne, la protection des enfants est une priorité absolue. Aujourd'hui, ROOST annonce, à l'occasion du G7 à Paris, un partenariat avec @mila-quebec.bsky.social afin d'intégrer des recherches de pointe à nos efforts pour développer des outils en source ouverte.

Photo from the G7. From left to right: Dr. Camille Francois, President of ROOST, The Honorable Evan Solomon, Minister of Artificial Intelligence and Digital Innovation of the Government of Canada, Anne Le Hénanff, Minister Delegate for Artificial Intelligence and Digital Affairs of France, and Benjamin Prud'homme, VP of Policy, Safety and Global Affairs at Mila

ROOST@roost· Apr 3

If you see this, I implore you to post a picture from whatever device you're using with no explanation.

Juliet wearing a sick jacket with tool patches

ROOST@roost· Apr 3

no joke, one of the only images on this laptop…

ROOST@roost· Mar 28

say hello to the ROOST team if you're at #atmosphereconf @julietshen.bsky.social @cassidyjames.com

Juliet and Cassidy from ROOST smiling at the camera in a large hall wearing blue conference badges

ROOST@roost· Mar 26

join @julietshen.bsky.social in room 2311 for an Unconference session on trust and safety at 3:30! #ATmosphereconf

a whiteboard at the ATmosphere conference: Unconference room 2311. 10:30, blank. 11:30, build and share personal apps by @jon2600.bsky.social. 1:30, blank. 2:30, permissioned data by @dholms.at. 3:30, trust and safety by @julietshen
bsky.social. 4:30, blank

ROOST@roost· Mar 11

We're on the ground at GDC Festival of Gaming this year! Let us know if you're there, too, and come say hi to our COO @annebdh.bsky.social. And if you get a hold of one of our special, limited postcards, take a photo and share it with us!

ROOST@roost· Dec 18

Last week, something powerful happened. People from all around the trust and safety community came together. We hosted the Open Safeguard Hackathon in San Francisco with @hf.co and OpenAI —and it was a reminder of what’s possible when we build safety openly and together.

Group photo of participants at the Open Safeguard Hackathon hosted by ROOST, Hugging Face, and OpenAI on Dec. 8, 2025, in San Francisco. The hackathon brought together practitioners from industry, academia, nonprofits, and policy who all rolled up their sleeves to test open safety models, pressure-test policies, and prototype real-world solutions, from multilingual safeguards to appeals copilots and red-teaming against jailbreaks.

ROOST@roost· Dec 10

On Monday, @hf.co , OpenAI, and ROOST hosted the first Open Safeguard Hackathon. The room was filled with people who care deeply about safety, working together to explore and test gpt-oss-safeguard. Check out the ROOST Model Community for some of the projects github.com/roostorg/mod...

A large group of people pose for a photo on a stage in front of a screen that says "open safeguard hackathon featuring openai, roost, and hugging face". The people are wearing blue lanyards and wave their hands enthusiastically

ROOST@roost· Nov 14

This week, our President, @camillefrancois.bsky.social, visited the Vatican for a discussion on protecting children in the digital age. We were very humbled to have been invited to participate in such an important meeting and at such a pivotal time.

ROOST@roost· Nov 4

During our @parispeaceforum.bsky.social panel last week, Dr. Giada Pistilli eloquently explained that transparency in AI isn’t just a technical challenge — it’s a societal one. The more people who can see, shape, and question these systems, the more accountable and representative they become.

ROOST@roost· Oct 31

Thank you to Martin Tisné, Chair of the Board at Current AI and CEO of the AI Collaborative, for speaking on our panel this week at the Paris Peace Forum and for your contributions towards this work in open source and AI.

ROOST@roost· Oct 30

Thank you to Fidji Simo for addressing the audience via video yesterday ahead of our panel at the Paris Peace Forum. The conversation on how AI systems can help create a safer internet for the public good through open source tooling is only just beginning. lnkd.in/e_jkiemB

ROOST@roost· Oct 30

Here at ROOST, we have a saying. "Less words. More code."

ROOST@roost· Oct 29

Excited to announce here at the @parispeaceforum.bsky.social that, after months of joint technical work together, OpenAI will open source through ROOST one of its main internal models that handles detection and moderation. This will allow anyone or any company to use, test, and study the model.

ROOST@roost· Oct 28

Looking forward to a great panel tomorrow at the @parispeaceforum.bsky.social Forum, hosted by ROOST President, @camillefrancois.bsky.social. Stay tuned for more! #onlinesafety #AI #AItransparency #opensource #trustandsafety #techforgood

ROOST@roost· Sep 25

Our Head of Product, @julietshen.bsky.social, did a live demo of our Osprey tool, and led a feedback session with fellow ROOSTer Felix Wang at this official side event alongside the UN General Assembly. We will be digitizing and publishing this feedback under the Chatham House Rules soon!

Felix Wang from ROOST stands in front of a crowded room, holding a microphone, with a demo of the Osprey rules engine up on the screen.

ROOST@roost· Sep 25

If you're at the Trust & Safety Research Conference, check out the @roost.tools and @discord.com workshop on open source happening at 11:30am PT TODAY! Fisher Conference Center, Barnes/McDowell/Cranston #TSRConf #TrustAndSafety

A graphic flyer for a workshop at the Trust & Safety Research Conference called "Towards Technical Standards: Safety By Design & Open Source" featuring Savannah Badalich (senior director of product policy at Discord), Ethan Breder (engineer at discord), and Vinay Rao (CTO at ROOST). The conference takes place September 25-26 at Stanford University Alumni Center.

Advancing research in trust and safety while fostering the exchange of ideas across various disciplines including computer science, communication, policy, law, and political science.

ROOST@roost· Aug 7

We’re proud to carry forward the legacy of Cove. Their work helped report 120K+ cases of child exploitation — and now their IP will live on as open source, stewarded by ROOST. Learn more about the announcement of our new tool “Coop” below: roost.tools/blog/roost-a... #TrustAndSafety #OpenSource

ROOST@roost· Jul 23

#ICYMI: ROOST is at TrustCon 2025! We kicked off the conference with a keynote address from our CTO, Vinay Rao, who shared that a safer digital landscape can be achieved through increased awareness, community engagement and technological advancements. #TrustandSafety #TrustCon

ROOST@roost· Jul 21

Hope you caught ROOST CTO Vinay Rao's talk at #TrustCon this morning, talking about our newly announced tools and why he joined the team. Our whole team is thrilled to be at the conference this week and looking to connect!