NowKOSX @kosxai — East China head of startups & indie devPartner at an AI company in Ningbo
LaneIndie HackerFormer AI product managerProduct insights / joke teller
BuildingFlareMo notesFeedSieve X cleanupCherina Pod bilingual podcast
Work
Open-source X tool
The cyberspace janitor for your X feed — keeping bot spam, low-quality AI sludge, crypto grifters, and engagement bait out of your timeline.
The cyberspace janitor for your X feed — keeping bot spam, low-quality AI sludge, crypto grifters, and engagement bait out of your timeline.
02Personal knowledge management
A Cloudflare-native personal knowledge management system with a Memos-compatible API — your data, self-hosted.
A Cloudflare-native personal knowledge management system with a Memos-compatible API — your data, self-hosted.
03Indie product
A bilingual podcast app for intensive listening. Tap an English sentence to see the Chinese translation; loop by sentence, adjust speed, and shadow along — understanding more beats just understanding.
A bilingual podcast app for intensive listening. Tap an English sentence to see the Chinese translation; loop by sentence, adjust speed, and shadow along — understanding more beats just understanding.
04AI coding assistant config
My turnkey Pi Coding Agent setup: 17 plugins + 18 global Skills + 2 MCP servers, installed with a single command.
My turnkey Pi Coding Agent setup: 17 plugins + 18 global Skills + 2 MCP servers, installed with a single command.
05Cloudflare tool
Subscription aggregation and rule configuration on Cloudflare Workers — sources, node processing, combined subscriptions, and routing templates, all in the cloud.
Subscription aggregation and rule configuration on Cloudflare Workers — sources, node processing, combined subscriptions, and routing templates, all in the cloud.
06Open-source playbook
A hands-on Cloudflare manual for the AI coding era — write code with AI, ship globally on Cloudflare. The open-source repo stays in sync with the Playbook series on this site.
A hands-on Cloudflare manual for the AI coding era — write code with AI, ship globally on Cloudflare. The open-source repo stays in sync with the Playbook series on this site.
07Agent desktop client
A desktop client for the OMP agent runtime (Oh My Pi) built on the OpenChamber UI foundation — OMP powers the agent, OpenChamber owns the experience. Run agent work, keep control, ship from anywhere.
A desktop client for the OMP agent runtime (Oh My Pi) built on the OpenChamber UI foundation — OMP powers the agent, OpenChamber owns the experience. Run agent work, keep control, ship from anywhere.
08Open Dataset
A living open-source dataset of an indie developer from 0 to 10k followers in 4 months, featuring 2,602 full posts and daily analytics.
A living open-source dataset of an indie developer from 0 to 10k followers in 4 months, featuring 2,602 full posts and daily analytics.
Posts
Holy shit! I only just found out the Firefox browser gives every user 50G of free VPN traffic per month. Extremely handy for that awkward chicken-and-egg situation. How to use: 1. Type about:config in the address bar 2. Go to advanced preferences and click "Show all" 3. Search for browser.ipProtection.enabled 4. Flip that entry's value to true
After many rounds of iteration, FeedSieve — the X-feed cleaner — is officially live on the Chrome Web Store. Who wouldn't want the thrill of one-click blocking those spam accounts? Go for it, folks!
After years of deep macOS use, here are the pieces of software I've found to be genuinely great: - QuickRecorder: a screen-recording gem — tiny, yet powerful. - ClashParty: circumvention with the Mihomo core — lots of protocols, fast updates, and a good-looking interface. - V2rayN: circumvention with lots of protocols; the UI is a bit dated, but it's stable and free. - Doubao keyboard: voice input accurate to a scary degree. Supports macOS, iOS, Android; Windows is on the way. - Brave: a privacy-first browser with built-in ad filtering — cleaner than extension-based filtering, and the best companion for watching YouTube. - Mos: makes your mouse wheel scroll silky smooth. - Amphetamine: keeps your laptop awake with the lid closed — the best companion for vibe coding. - UU Remote: NetEase's remote desktop tool, free and fast. With it, what caps the image quality is never the membership — it's your network speed. I usually use it to remote into my Mac from my phone to check vibe-coding results; the key mapping is absurdly efficient. - Tencent Lemon: Tencent's Mac junk cleaner — uninstalling apps is smooth, and the menu-bar icon is handy. - Mole: the strongest Mac junk cleaner out there — terminal version free, UI version paid. - Tailscale: WireGuard-based remote networking. With it, you can reach your little home computer from the ends of the earth. - Obsidian: in the AI era, the local-first knowledge management tool. The ecosystem is just too good — pair it with the official Web Clipper browser extension and it works wonders.
I feel like we've still developed less than 1% of Cloudflare. It has shipped way too many features. - Object storage with R2 - Backend API with Workers - AI gateway with AI Gateway - Heavy compute with Container - Caching with KV - Database with D1 - Using PostgreSQL? Hook it up with HyperDrive And that's just the start — the list goes on and on. If you can dream it up, it can probably do it. The kicker is it's genuinely dirt cheap. The free tier alone lasts you a long time. What's a free tier? It means paying zero — a cyber-bodhisattva, an actual saint.
Blog
About
Former AI product manager, now focused on indie development: combining AI, Cloudflare and content creation into my own products and workflows. Projects, guides and blog posts are the public record of my exploration — if you're doing something similar, let's connect.