How to Inspect AsyncStorage, MMKV, and SQLite in React Native
A surprising number of React Native bugs come from persisted state. An old token, a stale cache, a feature flag that was never cleared, or a SQLite ro…
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AI Makes Developers Faster. Why Can It Make Teams Slower?
This was first published on the Vibsync blog . Reposting for the DEV community. The short version: AI reliably makes each developer faster. Whether it…
How to Generate Short Videos from Claude.ai with a Seedance MCP Connector
Sometimes the fastest way to prototype a video idea is not to open a separate generation dashboard, but to let your assistant create and poll the task…
Loop Engineering Is Mostly Papering Over a Model That Won't Converge
Disclosure: I maintain Lynkr , an open-source LLM gateway with loop-guard middleware, so I have a stake in this argument. Read this as a thesis to cha…
CDK update - June 2026
Index TL;DR Major Features ⚠️ Lambda Node.js 24.x — Action Required cdk explore — Visual Cloud Assembly Browser cdk validate — Standalone Validation C…
Stop hand-juggling JAVA_HOME: automatic per-project JDK switching with Jolta
If you work on more than one Java codebase, you've probably lived this: one service targets JDK 17, another needs 21, and there's a legacy app that wi…
How to Evaluate MCP Servers Before Installing Them (A Practical Checklist)
The MCP (Model Context Protocol) ecosystem is growing fast. There are now hundreds of MCP servers available — but how do you know which ones are worth…
AgentScaffold: Memory, Peer Review, and Continuous Improvement for AI Coding Agents
An AI coding agent will never tell you it's guessing. It doesn't hedge before a wrong answer, doesn't slow down when it's about to break something thr…
Gitignore Generator: a small tool that solves a specific problem
Every developer knows the frustration of accidentally pushing node_modules or .DS_Store to a shared repository. Handcrafting a .gitignore from scratch…
I lint-scanned 36 popular MCP servers. A third of them are failing your agent.
Originally published at tengli.dev Your MCP server can be 100% spec-compliant and still be unusable by an agent. The Model Context Protocol spec tells…
hollowtest: find tests that pass but prove nothing
Coverage can be green while your test suite is empty of proof. That is not a hypothetical. Stack Overflow’s 2025 developer survey found that a majorit…
Build a support triage agent that owns its own inbox
Most "AI support bot" demos bolt an LLM onto a shared Gmail or hang a webhook off a helpdesk and call it a day. That works right up until you want the…
Give your AI agent its own inbox so it can sign itself up
Most "AI email" demos point a model at a human's mailbox over OAuth. You connect your Gmail, the agent reads your threads, drafts replies, maybe sends…
I built a Claude Code plugin that tells you to slow down or push before your quota runs out
Claude Code warns you when you're close to your limit. The problem is that by then the damage is usually done: you've already burned half your 5-hour …
Why Postman Struggles With Protobuf APIs
Subtitle: If your APIs speak protobuf and gRPC, a JSON-first client will fight you at every step. Most API clients were built for a world of REST and …
A Good AI Code Reviewer Knows When to Stay Quiet
A developer added an AI reviewer to a small Node and React project expecting an easy win. At first, the comments looked useful. Then the reviewer star…
What Is Git-Aware Project Management?
Software teams often plan work in one place and build software somewhere else. Tasks live on a project board. But the real work happens in the IDE, Gi…
agentproto 0.4.0 — the daemon grows up into a supervision surface
Released 2026-07-03 · npm i -g @agentproto/cli · source · Apache-2.0 The gap between "I can start an agent" and "I can leave an agent running" is wher…
The Trillion-Parameter RL Paper Is Really About Letting the Model Find the Workflow
The Trillion-Parameter RL Paper Is Really About Letting the Model Find the Workflow A new arXiv paper, Ring-Zero: Scaling Zero RL to a Trillion Parame…
Every Commit in My Repo Gets Reviewed by a Second AI. Here's What Actually Changed.
My CLAUDE.md has one line near the bottom that I wrote months ago and mostly forgot about until I started actually paying attention to what it does: #…
You're Optimizing the Part of Your Agent You Don't Own
Disclosure up front: I build agentproto , one of the tools in this market. Every fact below is dated and sourced; the tool-by-tool review lives in 9 c…
Stop Using 6 Chrome Tabs for Code Reviews—Do It in Your Terminal
You know that moment when you're reviewing a PR and you need to: Check the GitHub diff (tab 1) Search stack overflow for the pattern (tab 2) Open the …
ThumbGate 1.28.0: A Safer Path from Agent Feedback to Enforcement
Most AI-agent safety systems are comfortable detecting risk. The harder problem is deciding when human feedback is specific enough to become enforceme…
Your CLAUDE.md says "always run tests" — hooks are how you actually mean it
There's a category error hiding in most agent configs: treating a rules file as an enforcement mechanism. It isn't one. CLAUDE.md, AGENTS.md, .cursor/…
Give a Dead Side Project an Exit Report, Not an AI Eulogy
The internet is having fun with AI eulogies for dead side projects. I like the joke. I trust a boring exit report more. A project is not finished when…
Keep your agent's mail out of spam traps
Spam traps are the failure mode nobody puts in the demo. A bounce is loud — you get a 5.x.x back, your code logs it, you move on. A complaint at least…
How to Test Twilio Webhooks Locally
The Problem: Twilio Webhooks Won't Hit Your Localhost When you're building a Twilio integration—whether handling incoming SMS, voice callbacks, or cal…
Every Repo Is a World Model
Part 1 — Mining lifecycle patterns from git history ⚡ TLDR What: A CLI tool ( hermes-harness ) that mines git history for recurring failure/fix patter…
GPT-5.6 Dropped Three Models at Once — And MonkeyCode Might Be the Missing Piece
OpenAI just shipped GPT-5.6 — Sol for the heavy lifting, Terra for volume work, and Luna for everyday use. Three models, one release, full coverage ac…
I got tired of my coding agent re-reading the same command output, so I built Dejavu
If you drive a terminal coding agent (Claude Code, Codex, Cursor's agent, Aider, opencode, Gemini CLI), you've probably watched it do this: Run pnpm t…