Blogsby GlyphNov 5
I built a better Claude Code and Codex app
I've tried a lot of agentic development environments and none of them really nailed what I was looking for, so I built my own.
Convex Blog the company blog of Convex: latest posts and feed
Convex · Company blog · 4.7 a month · 264 posts since Feb 15, 2022
Nov 3
I built a component to make high frequency updates work on Convex (kinda)
A while back I made a video about faking really high frequency updates on Convex. I've finally turned it into a generic component called Batched Replay, so here's what you can build with it, what it costs and whether I'd use it in...
Oct 29
Turns out database backups are NOT trivial
I thought backing up a database was simple, you just loop over the tables and copy the rows out. Nipunn sat me down at a whiteboard and showed me why that can give you a backup of data that never existed, and how Convex gets around it.
Oct 27
Your database is lying to you about time
Date.now() in a Convex mutation isn't actually now, and _creationTime doesn't follow the order things were committed in. Ian sat me down at a whiteboard to explain the three times in a database, how you can miss rows, and how commit...
Oct 9
Let's build a database!
Is Convex just a Postgres wrapper? To answer that we build a database from scratch with the same properties as Convex, starting from a single JSON file, then crack open the SQLite file Convex uses to see what it's actually doing.
Oct 8
Abstract: On the Existential Crisis of Software Development, and My Own
We still (for now) get to decide what's worth making, whether it's software or ourselves. Which is a nice idea, until you're planning a conference with no idea how to plan a conference.
Oct 2
Convex has one big limitation. Daytona fixes it
Convex can't run Python, the Rust compiler or even npm install, which is a bit of a problem when your agents need to run code in the cloud.
Oct 1
Is your agent writing proper Convex code?
These days my agent writes most of my code, but how do I actually know it's writing good, proper Convex code? One really good way is the Convex ESLint plugin, so here are the rules your agent is going to run into, plus the one I'd really...
Sep 23
We made AI on Convex way simpler
You can now make LLM calls directly from Convex actions with no provider accounts or API keys to set up. Here's how Convex's new AI Gateway works, what you can do with it, and the one thing to be careful of when you set a spending limit.
Sep 23
Introducing Convex Explained
Agents love text and people find walls of text hard work, so I'm trying something in between. Convex Explained is a new home for interactive explainers, starting with Build Your Own Convex.
Aug 26
Everything We Tried Failed Except for This One Weird Trick
We got rid of most of our marketing and are just focusing on the thing that actually works.
Aug 21
I built my family a giant touchscreen
I built a 40-inch infrared touchscreen as a family home hub, then used Codex and Convex to turn it into a whiteboard, calendar, chores tracker and smart-home dashboard.
Jun 30
Claude Code vs Codex: which is best?
A six-run benchmark of Claude Code and Codex building the same app on Convex, Supabase, and Firebase, comparing functional correctness, security, code quality, and cost.
Jun 15
Type-Safe Environment Variables in Convex
Convex can now declare and validate environment variables in code, giving backend functions a typed env object and catching missing or invalid deployment variables before runtime.
Jun 10
How Mint Reached 40,000 Users in Two Months Using Convex
Mint founder Alex on pivoting from crypto to AI world models, why the team switched to Convex mid-pivot, and how launching fast beat chasing a perfect product.
Jun 9
Exploring the NEW Convex Claude Code Plugin!
A hands-on look at the Convex Claude Code plugin: building a real-time drawing app without mentioning Convex, migrating a Supabase app over, and what's inside the plugin's MCP server and agent.
Jun 3
How to Use the New Convex Codex Plugin in OpenAI Codex
Build and deploy real-time Convex apps directly from Codex using the official Convex plugin. Covers installation, generating a collaborative drawing app from a single prompt, and migrating an existing app to Convex.
Jun 2
The secret to migrations
This video explores how to handle database migrations in Convex while maintaining zero-downtime deployment. It breaks down the internal architecture of Convex deployments, explaining how functions and schemas operate as a single atomic...
May 28
Readable TypeScript code: 14 patterns for humans and AI
Practical conventions for writing TypeScript and React that's easier to read, maintain, and scale with your team.
May 27
Row-Level Security is a Ticking Timebomb
Firebase rules and Supabase RLS keep security policy separate from app code. Learn how Convex co-locates both in TypeScript by keeping the database off the client.
May 26
7 New Convex Components Worth Adding to Your App
A look at the first Convex Component Authoring Challenge winners, covering scraping, agents, payments, email, and more.
May 23
Building Convex OS, a Browser-Based React App with Real-Time Sync
When you react to app state the Convex way, multi-tab sync comes free. Here's how one developer built a Windows XP desktop in the browser, complete with an AI agent, using just four database tables.
May 21
PostHog + Convex: Analytics, Errors & Feature Flags
Learn how devs can use PostHog and Convex to track analytics, monitor errors, and manage feature flags within a serverless backend environment.
May 20
How to Build Async AI Apps with Convex and TypeScript
See how Convex handles async AI app development, covering durable functions, background jobs, and real-time updates without polling.
May 20
What to Do When You Mess Up Prod (Incident Response Guide)
SEV levels, triage, and stopping the bleeding before you debug. A practical guide to incident response from engineers who've led SEV 0s at Dropbox and Convex.
The latest 200 of 264 posts on file; older ones are under Months.
About this blog
Convex's own blog, found on convex.dev by the daily check; not reviewed yet.
Posts per week, last 26 weeks
4.7 a month over the last six months (or since the feed's oldest post)
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AI and agents (8), Product and company (6), Developer tools (6) in the last six months.
Convex
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History
Official checkSep 25
not reviewed to official: on convex.dev