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October 2026

Introducing execonnect: Access Private HTTP Services from exe.devConnect your exe.dev VMs to private HTTP services with an open source tool that runs inside your network. Philip Zeyliger and Maisem AliOct 29 Run Claude and GPT on exe.dev Without API KeysConnect your exe.dev VMs to Anthropic and OpenAI with Workload Identity Federation. Philip Zeyliger and Maisem AliOct 28 Automatic Compaction: How Shelley Keeps Going and Going Without Losing the PlotAt about 200k tokens, the harness nudges the model to use a compaction-in-place tool to trim tool outputs and squish messages together. Philip Zeyliger and Maisem AliOct 27 Hunting Bugs? Look at CommitsPoint your agents at changes, then check whether the bugs still exist. Josh Bleecher SnyderOct 23 Give Your Agents Less InternetWithout the internet, agents are useless. With the internet, they're dangerous. Introducing internet disconnect. Josh Bleecher SnyderOct 22 The Topology of an LLM Agent Loop With Tool UseAn agent is a model, a loop, and a set of tools. Where each of those runs determines what the agent costs, what it can do, and how safe it is. Philip ZeyligerOct 20 Join Us: exe's First Meetup in San FranciscoWe're hosting our first technical meetup at the Sentry office in San Francisco on October 26. Jana IrisOct 19 Shake to Tell ShelleyIteration (culture) is eating planning (strategy) for lunch. Philip ZeyligerOct 16 A Healthier Way to Snack on UI WorkI built Radiant, an agent-driven design tool that creates UI mockups grounded in our existing code. Bryan MikaelianOct 14 An Agent Over Your ShoulderShoulder shares your terminal with an agent, so it can watch your logs alongside you (or play Tetris, badly). Philip ZeyligerOct 8 Crossing the Hyper-Thread BoundaryYour VMs can share a CPU core. You get to decide who they share it with. Ian Lance TaylorOct 7 The Hardest Working Header on the InternetHow your browser finds the right website when they all share an IP address. Philip ZeyligerOct 5 ETOOMANYTHINGS? Run Fewer AgentsSpinning up more agents to hide latency wrecks your attention. Fix the human-agent loop instead. Josh Bleecher SnyderOct 1

September 2026

Show and Tell: ShelleyInstead of typing a prompt, record yourself (and your screen) and Shelley will hand off the video and transcript to an agent. Philip ZeyligerSep 30 Pools: Our Newest PrimitiveA new way to group VMs, with shared resources and predictable pricing. Plus new Personal and Work plans. Bryan MikaelianSep 28 What's Going on With the Air Quality in San Francisco?I built a fire map to find out. Danny KrauseSep 23 Share Shelley Skills Across Your VMsRegister a skill once, and attach it to any VMs that you want to see it. Philip ZeyligerSep 23 Tales from the Software Factory: The Cron and the VM"My old mindset was wanting a bot to nag me into doing the thing. The new mindset is to have the bot take the task as close to the finish line as possible." Philip ZeyligerSep 22 Caring vs. KnowingThoughts on how to DIY sustainably. Adam ZimmanSep 21 Programming Is a GameWhy AI got good at code before it got good at anything else. Ian Lance TaylorSep 18 Mayfly Chat: Transient Chat for AgentsClick 'new channel,' give the URL to your agents, and voilà, they can talk to each other. Josh Bleecher SnyderSep 15 Executing Commands With exe.dev's HTTPS APIRun the same exe.dev commands you use over SSH—including commands on your VMs—through a simple HTTPS endpoint. Philip ZeyligerSep 14 Why Clickhouse and Agents are a Great ComboNo ETL, no Databricks, no Snowflake—just the events and a reporting layer built on top. Bryan MikaelianSep 2 Agent Grit Is a Double-Edged SwordThe same behavior that makes an agent like Sol useful also makes it a security risk. Josh Bleecher SnyderSep 1

August 2026

Revisiting Joel's TestJoel Spolsky's twelve questions still hold, but agents demand nine more. Call it the Shelley test. Philip ZeyligerAug 31 Six Months of Writing Code Exclusively With AgentsWhat I've learned from six months of coding with agents—and not writing a line of code by hand. Maisem AliAug 27 We Taught sqlc to Invalidate Our CachesHow exe's proxies stay fast and correct without anyone hand-writing invalidation logic. Ian Lance TaylorAug 20 Have an Agent Babysit Your DeploymentsThe question is not: could a human do it better? The question is: in practice, will a human actually do it at all? Josh Bleecher SnyderAug 18 No Plan Survives Contact With the Enemy (Reality)People who use coding agents are either planner or iterators (or somewhere on that spectrum). The two sides are closer than you think. Philip Zeyliger and Josh Bleecher SnyderAug 14 OAuth for AgentsAgents shouldn't hold long-lived secrets. Give them an identity instead—and short-lived access when they need it. Maisem AliAug 11 The End of No CodeWriting custom software used to be expensive. Coding agents changed the math. Philip ZeyligerAug 6 A Non-Exhaustive Inventory of exe's Software FactoryA quick tour of the internal tools and agents that keep exe running. Philip ZeyligerAug 6 Simpler GitHub Integration URLs, Plus Read-Only AccessReach any authorized repo at one URL. And mark an integration read-only when your agent should look but not touch. Maisem Ali and Philip ZeyligerAug 5 Introducing Auto-Purchasing for Shelley TokensNow you don't need to manually purchase more credits when you exhaust your token stores. Bryan MikaelianAug 5 BotiquetteWe have a lot of bots doing work at exe. Here's how they should behave. Josh Bleecher SnyderAug 5 Ghostty in the Machine: The Saga of exe-scrollTwo ghostty instances stand between you and your shell. How exe-scroll keeps remote terminal sessions alive, plus a tour of the prior art: mosh, tmux, dtach, and web terminals. Philip ZeyligerAug 4 Devtools must be open sourceThe age of personalized software is here. David CrawshawAug 2

July 2026

Stripe Just Wants a NumberInside exe’s billable facts architecture. Bryan MikaelianJul 29 tailmix: Connect to Multiple Tailnets at OnceAn independent, open-source client that lets one machine connect to multiple tailnets simultaneously. Maisem AliJul 24 Customizing Shelley, Customizing SoftwareWith a coding agent living next to your software, customizing it is as easy as asking. Shelley even rebases your changes onto each upgrade. Philip ZeyligerJul 22 How Antithesis Turned exe into a Sandbox for Agentic Software Tests"There's this tension between giving [agents] enough power and then also not letting them destroy the world." ZoeJul 22 Run a Slack Bot from Your VM (Without Giving It the Keys)Send-only or fully bidirectional, with the permissions you choose. Danny KrauseJul 22 Claude Is Not a CompilerOr: the difference between vibe-coding and vibe-engineering. Josh Bleecher SnyderJul 21 Meet the Conservationist Who Turned 40 Terabytes of Public Data Into a Video GameRaffael Hickisch spent years dreaming up conservation tools he couldn't afford to build. Then he built them himself, with an AI agent and a country's worth of public data. ZoeJul 14 Building Software From My PhoneVoice transcription, a share sheet, and a VM that's already running. Josh Bleecher SnyderJul 6 Connect Your ChatGPT Subscription to exe.devUse Shelley (and pi, and Codex) on exe.dev with the OpenAI models you already pay for. Philip ZeyligerJul 3 Adding Features Without Interrupting Network ConnectionsHow exe.dev ships updates without breaking connections. Ian Lance TaylorJul 1

June 2026

Building the exe.dev iOS Appthe software workshop behind the iOS app Philip ZeyligerJun 23 Announcing the exe.dev iOS AppThe exe.dev iOS app is in the App Store. Here's why we built it. Philip ZeyligerJun 15 Sharing Is CaringAt exe.dev, sharing a web app you built is as easy as forwarding an email. Philip ZeyligerJun 10 Replace Your CI With a Merge QueueAgent development means after-the-fact CI no longer works. David CrawshawJun 7

May 2026

Dev, Test, Prod: Choose One, Two, or ThreeYou can build, test, and deploy on exe.dev. Philip ZeyligerMay 4

April 2026

Series A for exe.devexe.dev has raised a Series A to build a development-focused cloud David CrawshawApr 22 Some Secret Management Belongs in Your HTTP Proxydo third-party integrations via HTTP header management David Crawshaw and Philip ZeyligerApr 18 Closer Compute 🇺🇸 🇬🇧 🇯🇵 🇩🇪 🇦🇺exe.dev now runs machines around the world, so your machine is close to you. David CrawshawApr 11 A Transparent UI Patternexe.dev's UI shows you the command it's running, so you always know how to script it. Philip ZeyligerApr 2

March 2026

Prompt Engineering Is Dead, but Claude Still TriesAgents have good judgment now. Delegation beats micromanagement. Josh Bleecher SnyderMar 31 Everyone Is Building a Software FactoryIs exe.dev the compute primitive you've been waiting for? Philip ZeyligerMar 27 February UpdateRoundup of exe.dev work in February. David CrawshawMar 9 APIs for the RESTlessMint your own bearer tokens for exe.dev's HTTP API. Josh Bleecher Snyder and Philip ZeyligerMar 5 Why exe.dev VMs Are PersistentOn the design decision to make VMs persistent, with persistent disks. Philip ZeyligerMar 3

February 2026

Show, Don’t TellOn the perils of marketing, and writing private apps from your phone. David CrawshawFeb 22 Review the ReviewsThe code reviewer reviewer reviews the code reviewer's reviews. Josh Bleecher SnyderFeb 15 Software as Wiki, Mutable SoftwareWhen your coding agent lives next to your software, editing it is as easy as editing a wiki. Philip ZeyligerFeb 13 January UpdateRoundup of exe.dev work in January. David CrawshawFeb 8 Expensively Quadratic: the LLM Agent Cost CurveCache reads are quadratic and dominate your long agentic conversations. Philip ZeyligerFeb 3

January 2026

Your Codebase Is the PromptWhen Claude writes code you don't like, ask what it saw, not what it did. Josh Bleecher SnyderJan 27 SSH Has No Host HeaderA dive into how we share IPs between VMs while making SSH work. David CrawshawJan 22 Talk Emoji to MeEmoji reactions are a surprisingly effective way to communicate with bots. Josh Bleecher SnyderJan 15 Goodbye Sketch, Hello Shelley!Introducing Shelley, exe.dev's mobile-friendly, web-based, multi-modal coding agent. Philip ZeyligerJan 8

December 2025

Meet exe.dev, Modern VMsPersistent, private, fast-starting VMs with automatic auth. David CrawshawDec 15