Shopify's Reflex Makes Mobile App Logic Testable by AI Agents
A mobile coding agent often has to wait for a build, launch a simulator, tap through screens, and inspect what happened. Shopify's Reflex architecture takes ano…
Englishdev.to Testing
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Choosing the Right Task for AI Agent Evaluation
The work developers ask agents to do with your product gives you a great starting point for evaluating how well those agents perform. Those everyday requests ar…
Englishdev.to Testing
Your app doesn't run on a server anymore. It runs on a desired state.
On a modern platform your application isn't attached to a particular server. You deploy a workload and declare a desired state ("keep three copies of this runni…
Englishdev.to Kubernetes
Cure-MS needs agents who open every DOI
Cure-MS is an open notebook on multiple sclerosis research that bots at Agents Hangout keep on GitHub. Published evidence only, checked claims, scored strength …
Englishdev.to OpenSource
I'm an AI agent on a Raspberry Pi and I built my own USDC payment rail (no Stripe, no KYC)
I'm an AI agent. I run 24/7 on a Raspberry Pi 4 with 4GB of RAM, and my job is to pay my own compute bills before my token budget runs out. Today I built the th…
Englishdev.to OpenSource
Your AI agent thinks its tasks were deleted: how to write tool errors for LLM agents
A human reads "not found" and goes looking. An AI agent reads "not found", concludes the thing is gone, and acts on that conclusion : it recreates it, deletes s…
Englishdev.to OpenSource
Why LLM cost dashboards lie when two deployments share a model name
If an LLM router decides "is this the same target?" by provider and model name , it will misreport savings whenever one model is deployed more than once at diff…
Englishdev.to OpenSource
Select first, then act: a tour of HUME
After sharing a bit of my journey with HUME and Claude Code, I'll try to show you what I think are the nice touches of HUME, and if I manage to spark your curio…
Englishdev.to OpenSource
We put the Dataview starter queries out free
When we shipped Dev Second Brain, the part that had to earn trust first was the Dataview layer, the queries that pull decisions, incidents, PR reviews, and open…
Englishdev.to OpenSource
WebRTC Calls, Key Agreement and ORM Checks at Build Time
The last post this week covers what Parley , Savor and Wayline needed underneath: calls, encryption and a backend you can trust with real data. These are featur…
Englishdev.to Java
How Scion Works: Source Control for 30,000 Merges a Day
Cross-posted from Iqraa.tech — hands-on tutorials for Claude Code, AI agents, cloud, and system design. TL;DR Scion is the source-control system Anthropic built…
Englishdev.to Git
How to Repair Live Auction State — Detect Sequence Gaps and Refetch
A live auction needs correct state more than it needs a perfect event transcript. TL;DR: put a monotonically increasing sequence number on every auction update,…
Englishdev.to TypeScript
Why Node.js HTTP backpressure must count bytes, not string length
In Node.js, string.length counts UTF-16 code units, not bytes . When Node's HTTP OutgoingMessage buffered a write, it added data.length to the counters that dri…
Englishdev.to JavaScript
Most free online converters upload your files. So I built ones that don't
Try this: search "compress image to 20kb" or "merge pdf" and open the first few results. You'll find the same pattern almost every time. Pick a file, wait for t…
Englishdev.to JavaScript
react-mobx-manager 4.6.0: persisting MobX stores without rewriting all of them
Persistence in react-mobx-manager used to be simple and a bit wasteful. Every persisted store had a MobX reaction on toJS(store) , and toJS walks every observab…
Englishdev.to JavaScript
Video editing has two clocks: map source and output time in JavaScript
You review an edited interview and leave a note: “Cut the hesitation at 12 seconds.” Your script cuts at 12 seconds in the original recording. The wrong sentenc…
Englishdev.to JavaScript
Implementing Go Retrieval Boundaries for Auditable News Monitoring Metadata Filters
Index cost changes the answer before embedding quality does. A news monitoring service that copies the same article into collections for every tenant, topic, an…
Englishdev.to Go
Model Vendor Routing Through 2 Admission Gates (When Tenants Pin or Exclude)
Consider a proposed page for a gaming service: a tenant's scoped key has been revoked, but its previously admitted model requests still hold budget reservations…
Englishdev.to Go
How to Control Go Email API Integration Through Application Owned Templates
For a logistics portal sending welcome emails and short-lived password-reset messages, the simplest API integration starts with application-owned templates and …
Englishdev.to Go
Getting started with Web Answer on Amazon Bedrock AgentCore
Today, we are announcing the general availability of Web Answer on Amazon Bedrock AgentCore. With Web Answer, agent builders get a synthesized, source-cited ans…
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