Matthieu 🦋 @matthieu.bsky.team · 31/07/2026AT protocol enthusiasts rejoice! He did it! @dholms.at fixed AT-URIs! 4925
Matthieu 🦋 @matthieu.bsky.team · 24/07/2026Am I the only one unable to open @leaflet.pub websites on FF mobile? They just render a blank page... 240
Matthieu 🦋 @matthieu.bsky.team · 22/07/2026We know developing OAuth clients locally has been harder than it could be, partly because `localhost` isn't allowed as a `redirect_uri`. Please chime in on this discussion if you have any concerns about relaxing that particular rule.github.comProposal: allow `localhost` redirect URIs in the localhost dev exception in the OAuth spec · bluesky-social atproto · Discussion #5255This is a proposal carrying on discussion from this closed PR: bluesky-social/atproto-website#709. There is also a corresponding open issue, bluesky-social/atproto-website#699. Currently, http://12... 915033
Matthieu 🦋 @matthieu.bsky.team · 03/07/2026Now that we have HTTP QUERY, should the atproto spec be updated to allow that HTTP method for XRPC query methods?datatracker.ietf.orgRFC 10008: The HTTP QUERY MethodThis specification defines the QUERY method for HTTP. A QUERY requests that the request target process the enclosed content in a safe and idempotent manner and then respond with the result of that pro... 1132
Matthieu 🦋 @matthieu.bsky.team · 25/06/2026Did you know you can start a testing ATProto OAuth client with this simple command? $ pnpx @atproto/oauth-client-browser-example 8080 You can then use the inspector console to interact with your PDS: `await bskyClient.get(app.bsky.actor.profile)` `await bskyClient.list(app.bsky.feed.post)` ... 1459
Reposted by Matthieu 🦋Laurens @laurenshof.online · 28/05/2026so it turns out the new papal encyclical has a pretty good diagnosis of why the fediverse and the atmosphere keep struggling to govern themselves. guess were doing catholic theology in a protocol blog now connectedplaces.online/reports/fr16...connectedplaces.onlineFR#164 – The Pope on DefederationThis week, the Catholic Church wrote one of the better diagnoses of why decentralised social networks keep struggling. 914742
Reposted by Matthieu 🦋Firefox for Web Developers @webdevs.firefox.com · 18/05/2026Chrome shipped an LLM Prompt API to the web platform. At Mozilla, we oppose this API. Here's why: 18419122
Matthieu 🦋 @matthieu.bsky.team · 15/04/2026Hey y'all, I just released a new version of the PDS distribution that fixes that hCaptcha/COEP issue. Update to v0.4.219 and get the new account manager interface as added bonus. 25114
Matthieu 🦋 @matthieu.bsky.team · 13/04/2026So @signez.fr , how would you translate "Atmosphere account" in french ? 6130
Reposted by Matthieu 🦋fry69 @fry69.dev · 21/03/2026Those bang queries are great, but even faster is adding npmx search to the address bar in Firefox (via right click once) with a keyword (e.g. "@n"). Firefox also supports type ahead and search suggestions from npmx.dev this way. Other browsers will likely offer similar mechanisms (not tested). 38012
Matthieu 🦋 @matthieu.bsky.team · 13/03/2026Bluesky's west coast PDS's are experiencing an outage right now. We are looking into it. 2347
Reposted by Matthieu 🦋daniel holmgren 🫠 @dholms.at · 12/03/2026continuing to build up our permissioned data protocol! this one asks what a bucket actually is and where the data that constitutes a bucket is stored. it argues for maintaining the atproto ethos in the permissioned data protocol as always, looking forward to hearing your thoughts!dholms.leaflet.pubPermissioned Data Diary 3: Your Bucket, My DataThe third in a series of posts building up a solution to permissioned data on atproto. We look at two different models for where buckets live and why the simpler-looking one doesn’t work out. 2322749
Matthieu 🦋 @matthieu.bsky.team · 10/03/2026Turns out, making @atproto/lex compatible with standardschema.dev was pretty straight forward 🥳github.comAdd Standard Schema compatibility by matthieusieben · Pull Request #4734 · bluesky-social/atprotoThe goal of this PR is to make @atproto/lex-schema compatible with Standard Schema. This is done by defining an ~standard adapter on the Schema class. The change is pretty straight forward and most... 2413
Matthieu 🦋 @matthieu.bsky.team · 02/03/2026Moved matthieusieben.com over to @blento.app. Nothing crazy to see, just glad I no longer have to worry about CSV in react server components 😅 Also, a website that uses my ATProto repo's content to generate a webpage showing my other ATProto content really show how awesome ATProto really is 🦋matthieusieben.comMatthieu SiebenProtocol Engineer at Bluesky. Building the open social web on AT Protocol. Into web standards, OAuth, TypeScript, and quality code. Dad, sailor (crossed the Atlantic once), gamer, Dire Straits fan, an... 0589
Matthieu 🦋 @matthieu.bsky.team · 06/02/2026We're planning to stop rendering blobs in the browser from the com.atproto.sync.getBlob endpoint. Let us know if you have any thoughts on this.github.comAdding `content-disposition` on `getBlob` HTTP responses · bluesky-social atproto · Discussion #4618We are planning on releasing a new version of the PDS that contains this change. Once that has been merged, visiting a getBlob endpoint with a browser will force the browser to download the blob, i... 96714
Matthieu 🦋 @matthieu.bsky.team · 05/02/2026Hey @sindresorhus.com , would you consider adding Bluesky (bsky.app) Links to Velja's list of apps ? Kind of an edge case because it would only apply to users installing the iOS app on their Mac (some of us are weird that way). 160
Matthieu 🦋 @matthieu.bsky.team · 02/01/2026Wanna write an XRPC server running on Deno ? Well now you can (very experimental!) 4608
Matthieu 🦋 @matthieu.bsky.team · 24/11/2025Hey y'all, we just released a new SDK for working with Lexicons in TypeScript! 🥳 It focuses on improving DX and some of the pain points of the current tooling (see my previous post below). It's currently in beta and we'd love to get your feedback 🙇♂️ www.npmjs.com/package/@atp...npmjs.com 1213429
Reposted by Matthieu 🦋dame @dame.is · 16/11/2025PSA: You can make the atproto OAuth flow look way less sketchy with this one weird trick… 1546
Matthieu 🦋 @matthieu.bsky.team · 03/11/2025Been building on the Atmosphere? The official Lexicon codegen tooling has some rough edges for third-party devs: • Bundle bloat • Painful maintainability • Inflexible client/server modes Wrote up the pain points (and there might be a solution coming 👀)matthieu.leaflet.pubRethinking Lexicon Tooling for Third-Party DevelopersThe official Lexicon code generation tooling hasn't evolved much since its initial release. While it serves the core atproto codebase well, third-party developers face significant challenges with bundle size, manual maintenance, and architectural constraints that make building production-ready applications unnecessarily difficult. 512019
Reposted by Matthieu 🦋Samuel @samuel.fm · 24/10/2025made my first leaflet :) a little guide to our new @atproto/oauth-client-expo librarysamuel.leaflet.pubGetting Started with atproto and Expo - mildly at-musinga short guide to using @atproto/oauth-client-expo 712519
Reposted by Matthieu 🦋Aaron Parecki @aaronpk.com · 11/10/2025I just finished adding BlueSky support to IndieLogin.com! Now you can log in to websites like indieweb.org with your BlueSky handle!aaronparecki.comAdding Support for BlueSky to IndieLogin.comToday I just launched support for BlueSky as a new authentication option in IndieLogin.com! 48518
Reposted by Matthieu 🦋Nick Gerakines @ngerakines.me · 10/08/2025Ever asked "what happens when you open a browser and enter a website?" The answer depends on who you ask. Some talk desktop apps, others DNS/TCP, some dive into HTML rendering. That's exactly how I'm approaching the ATProtocol OAuth masterclass. 3193
Reposted by Matthieu 🦋AT Protocol Developers @atproto.com · 13/06/2025Two types of OAuth client are supported by atproto: "public" and "confidential" This new article digs in to the security trade-offs and safety mechanisms at play, and how they impact different app architectures: TMBs, BFFs, SPAs, etcgithub.comOAuth Client Security in the Atmosphere · bluesky-social atproto · Discussion #3950The following was written by the Bluesky team as an overview of OAuth client security considerations, especially for client app developers or readers of the ATProto OAuth profile specification. Set... 931945
Matthieu 🦋 @matthieu.bsky.team · 05/06/2025We are currently working on making ATProto OAuth easier on devs. This proposal is one of steps we are taking to make it happen. Stay tuned... 6220
Matthieu 🦋 @matthieu.bsky.team · 17/04/2025It would be awesome if starter packs were automatically created from specific @smokesignal.events ! Like, I'm going to the AHOY! conference next week and I'd love to have an easy way to follow everyone else going.smokesignal.eventsAHOY! European Social Web Day 2025 - Bluesky / atprotoStarts at 04/24/25 08:00 am CEST. Join us in Hamburg on April 24, 2025 to build the future of a cooperative, European open social web—a paradigm for a better internet built on decentralization and use... 3281
Matthieu 🦋 @matthieu.bsky.team · 01/04/2025Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse. Ibi 6241
Matthieu 🦋 @matthieu.bsky.team · 13/02/2025🚀 Just released a new version of our TypeScript SDK for Bluesky! This update brings important improvements to the typings of our data model, making integration smoother and more reliable. Learn a thing or two about Bluesky’s API and the AT Protocol in the blog article we wrote for the occasion.docs.bsky.app@atproto/api v0.14.0 release notes | BlueskyToday we are excited to announce the availability of version 0.14 of our TypeScript SDK on npm. 1450853
Reposted by Matthieu 🦋Deno @deno.land · 25/11/2024It's done. Now it’s your turn, Oracle. We’ve submitted a formal petition to cancel the JavaScript trademark: it is generic, Oracle has abandoned it, and Oracle committed fraud on the USPTO during the last trademark renewal. It's time to #FreeJavaScript. deno.com/blog/deno-v-...deno.comDeno v. Oracle: Canceling the JavaScript TrademarkOracle is holding the JavaScript trademark hostage, and we’re pursuing legal means to #FreeJavaScript. Here’s a brief update. 21968260
Reposted by Matthieu 🦋bryan newbold @bnewbold.net · 22/11/2024#atproto devs and protocol folks! looking for feedback on options for Lexicon Resolution. we have a broad sketch, but still some open questions and truely not sure which way we are leaninggithub.comRFC: Lexicon Resolution · bluesky-social atproto · Discussion #3074One of the missing pieces in atproto is a mechanism to resolve NSIDs to Lexicon schema definitions. While there are existing workarounds, such as just publishing schemas on projects websites or git... 312924
Reposted by Matthieu 🦋bryan newbold @bnewbold.net · 09/11/2024atproto devs! what does an AppView even do? don't have bright lines around them right now, it depends on the "app", but here are some potential aspects!github.comWhat does an AppView implementation entail? · bluesky-social atproto · Discussion #2961An informal overview of what an AppView does. Similar to #2350, which discussed PDS implementations. This document isn't "normative": AppView implementations are not required to do all of this. It ... 915633
Reposted by Matthieu 🦋patak @patak.cat · 30/10/2024I just saw @mattpocockuk.bsky.social's post, and I wonder if a flash mob where we all post a 🦋 at the same time in X could make some ripples. As in scheduling a post for tomorrow, October 31, 7 am PST 👀 84439139
Reposted by Matthieu 🦋daniel holmgren 🫠 @dholms.at · 30/10/2024backbone networking issues with our bare metal provider that screwed up _a lot_ of things looks like things are recovering now. hopefully the core issue is resolved 🤞 1122126
Reposted by Matthieu 🦋dan @danabra.mov · 29/10/2024hi to all old friends from twitter! i want to show you this thing: atproto-browser.vercel.app. put your bluesky handle in it and explore :) this should give you some intuition about how this place works under the hood. happy to answer any questions about it! 48819169
Reposted by Matthieu 🦋Sam Rose @samwho.dev · 23/10/2024I aliased "want" to "gh copilot suggest -t shell" and it's working really well for me. 0236
Reposted by Matthieu 🦋Martin Kleppmann @martin.kleppmann.com · 26/09/2024Just realised that it's been 10 years since my "database inside-out" talk (www.youtube.com/watch?v=fU9h...), and now atproto (which Bluesky is based on) is a successful implementation of the idea atproto.com/articles/atp...atproto.comATProto for distributed systems engineers - AT ProtocolAT Protocol is the tech developed at Bluesky for open social networking. In this article we're going to explore AT Proto from the perspective of distributed backend engineering. 516837
Matthieu 🦋 @matthieu.bsky.team · 26/09/2024Thrilled to be contributing to the incredible protocol that Bluesky is built on 🤩 3805
Reposted by Matthieu 🦋P(aul) Frazee @pfrazee.com · 14/09/2024Bluesky makes it possible for users and orgs *outside Bluesky* to label content for misinformation or other issues. You subscribe to these in the app, and can unsubscribe at any time. Stackable moderation is one of our most novel experiments, so I'm excited that @newsdetective.bsky.social is herebsky.socialBluesky’s Stackable Approach to Moderation - BlueskyToday, we’re open sourcing Ozone, a tool that lets a team of moderators or curators collaboratively review reports, create labels, and inspect content on the atproto network. Later this week, we’re op... 882189492
Matthieu 🦋 @matthieu.bsky.team · 29/08/2024Beaucoup aimé le film de Michiel Blanchart. A voir au cinémayoutu.beLa nuit se traîne | Official trailer met Nederlandse ondertitelsYouTube video by Lumière Benelux 0100