Co-founder @vella_ai | CEO @LegendAppHQ | https://xitter.cf/t.co/ifnNzQPRQi @Harvard & x-dev @LinkedIn Passionate about user-owned auth, storage, and personalization.

Joined September 2009
Yonatan retweeted
Replying to @devYonz
neat trick
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Yonatan retweeted
We tried for years at Electric to make expressive partial replication that scaled. We've done it in 2 months inside Neon. Precisely because we have access to and control over the Postgres internals within Lakebase.
Built by the Electric team (who also did pglite, i.e. Postgres on WASM), Neon Realtime is an incremental query engine to make it dramatically easier to build apps that sync data in realtime. It leverages the Lakebase architecture's separation of storage and compute to run on a separate compute instance. This avoids overwhelming the primary write Postgres instance and pushes the write operations incrementally to all the subscribers. Check it out. You can now build complex realtime sync apps in just a few lines of code. This is a great example of how hardcore database technologies can make the app developers' lives much simpler.
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Yonatan retweeted
⚡️ Introducing Streamgres : the sync engine for Multiplayer AI Being built as an extension to postgres, all in Rust. Learn more in our session at SF Tech Week on Oct 7 Register here : partiful.com/e/bJFh4FHPWWvaO…
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Yonatan retweeted
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👋 Say hello to @TinyJoin, a tiny relational database for browser apps. Built in Rust, and hosted as WASM on a worker thread, it's designed for rich local-first apps - and to challenge a few of the web's dated architectural assumptions. `npm create tinyjoin@latest` to give it a test drive. And tinyjoin.org for more info.
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Introducing Legend Chat History < 1/2 bounce 19 MB app 60 MB RAM Instant Codex and Claude threads React Native macOS Open source If it isn’t the fastest app on your Mac, reply and I’ll give you a full refund. github.com/LegendApp/legend-…
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Yonatan retweeted
How do your agents connect to to your notes and remidners?
30%MCP
10%CLI
60%local markdown
10 votes • Final results
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Coding agents now handle the manual coding. This means software engineering is shifting upstream - from writing code to orchestrating systems, defining intent, and making product decisions. On the latest episode of The Merge, @ElectricSQL co-founder @thruflo explains why we’re all becoming product managers now… and why managing state for multi-agent systems is the next big infrastructure challenge. We also cover: • Why declarative sync is replacing traditional fetch patterns • How to build reliable multi-agent workflows • The surprising rise of Elixir for agent systems Full episode here ↓
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Yonatan retweeted
Your data is fragmented but work doesn't have to be.
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Yonatan retweeted
Every shortcut saves time. Capture faster. Find notes quicker. Stay in flow with Legend keyboard shortcuts. Less clicking. More doing. #Legend #Productivity #KeyboardShortcuts #Workflow
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Yonatan retweeted
Electric Agents 0.6 is out! 0.6 rounds out what we launched in May: • Long-lived entities with StreamDB state • Spawn, fork, send, wake, signal, schedule • Local and remote agent runners • Desktop + mobile apps built on core APIs • PG sync triggers, MCP servers, webhook sources The ecosystem is converging on our thesis: the agent is the log. Electric Agents paints the picture for what is built on top.
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Finally! After years of searching for the best way to build the fastest mac markdown editor, I found it: React Native. 30 MB app, opens a 10 MB file in 20 ms, while most other apps freeze or crash. And no webviews. What do you want in a Markdown editor besides being fast AF?
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With the help of Claude Mythos Preview, the Firefox team fixed more security bugs in April than in the past 15 months combined.
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Yonatan retweeted
Introducing Electric Agents! Agents are not compute. Agents are data. Multi-agent is a sync problem. Electric Agents is the first agent platform built on sync. Use it to build scalable, collaborative, long-lived multi-agent systems: 🧵👇
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Yonatan retweeted
We've shipped the infrastructure for building scalable, collaborative multi-agent systems. It's managed agents without the platform lock-in. Scale to millions, scale to zero. On your own terms.
Introducing Electric Agents! Agents are not compute. Agents are data. Multi-agent is a sync problem. Electric Agents is the first agent platform built on sync. Use it to build scalable, collaborative, long-lived multi-agent systems: 🧵👇
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Replying to @pfrazee
@pfrazee is the CTO at @bluesky and one of the codesigners of the AT Protocol. He's going to talk about the Atmosphere's ideals about open computing, and how the team views tackling scale as core to the mission.
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Yonatan retweeted
r/LegendHQ 🚀
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