Xin Jiang

Indie developer at Qumge: AI tools, small iPhone apps, and self-hosted open-source Rails apps.

Joined on Dec 6, 2024 https://qumge.com/en/products

Xin Jiang

Oct 10

The One Question to Ask Any Tool Before It Touches Your Vault

#obsidian #productivity #markdown #opensource

7 min read

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Xin Jiang

Oct 10

Record on the Walk, Ask Claude About It Before You're Home

#obsidian #productivity #markdown #opensource

3 min read

Xin Jiang

Oct 10

Presigned URLs and Permanent Notes Don't Mix

#obsidian #productivity #markdown #opensource

6 min read

Xin Jiang

Oct 10

How a Thought From a Walk Becomes a Zettelkasten Note

#obsidian #productivity #markdown #opensource

5 min read

Xin Jiang

Oct 10

Connect SpeakPen to ChatGPT in Five Minutes and Stop Pasting Transcripts

#obsidian #productivity #markdown #opensource

4 min read

Xin Jiang

Oct 10

A Week of Walking Voice Notes, One ChatGPT Prompt, One Plan

#obsidian #productivity #markdown #opensource

4 min read

Xin Jiang

Oct 10

Your Winning Meta Ad Didn't Break Everyone It Reaches Has Already Seen It

#marketing #ai #startup #ecommerce

4 min read

Xin Jiang

Oct 10

Your Store Gets Add to Carts and No Orders Find the Step Where the Funnel Leaks

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Your Shopify Product Page Has Six Photos and Not One Second of Video

#marketing #ai #startup #ecommerce

6 min read

Xin Jiang

Oct 10

Your Salon Instagram Is a Portfolio New Clients Find You on Google First

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Your Friends Bought and Strangers From Meta Didn't Because That First Trust Was Borrowed

#marketing #ai #startup #ecommerce

4 min read

Xin Jiang

Oct 10

Why Agency Clients Say Let's Pause for Now and What to Show Them in the First 30 Days

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

When a Client Asks Why They Shouldn't Just Buy an AI Tool

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Use Real Work Not AI Images What to Film Without Faces and How to Ask Clients for Consent

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

This Humidifier Ad Has Run for Three Years and Never Opens With the Humidifier

#marketing #ai #startup #ecommerce

1 min read

Xin Jiang

Oct 10

Stop Pricing UGC by the Video and Sell Agency Clients a Creative Retainer

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Stop Paying a UGC Creator to Find Out Your Hook Doesn't Work

#marketing #ai #startup #ecommerce

7 min read

Xin Jiang

Oct 10

She Boosted One Instagram Post Lost 150 Dollars and Decided Ads Weren't for Small Shops

#marketing #ai #startup #ecommerce

5 min read

Xin Jiang

Oct 10

Running Local Marketing for Salon and Spa Clients One Workspace per Shop and a Monthly Report About New Clients

#marketing #ai #startup #ecommerce

4 min read

Xin Jiang

Oct 10

One MCP Server for a Dozen Platforms From Install to Your First Post

#marketing #ai #startup #ecommerce

2 min read

Xin Jiang

Oct 10

Let Your AI Agent Do Marketing Without Wrecking Anything

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

How to Reach People Within 5 Miles of Your Salon With Local Meta and TikTok Ads

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

How a Small Agency Runs Ten Brands Without Dropping One

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Her Earrings Kept Coming Out Wrong in AI Videos Until the Tool Stopped Drawing Them

#marketing #ai #startup #ecommerce

4 min read

Xin Jiang

Oct 10

Four Weeks Before the Slow Season Win Back Regulars and Rebook Clients Before They Leave the Chair

#marketing #ai #startup #ecommerce

4 min read

Xin Jiang

Oct 10

Cold Emails Nobody Answers Send a Sample Made for Their Product Instead of an Intro

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Built It and Nobody Came What Each Marketing Channel Actually Does for Solo Founders

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

Before You Turn Off Your Meta Ads After a Dead Week Check Which of Three Things Happened

#marketing #ai #startup #ecommerce

4 min read

Xin Jiang

Oct 10

Ads Manager Said ROAS 2.6 and the Ads Still Lost Money That Week

#marketing #ai #startup #ecommerce

3 min read

Xin Jiang

Oct 10

AI Video Tools Don't Know What Your App Looks Like So Demo the Real UI

#ai #ecommerce #advertising

3 min read

Xin Jiang

Oct 10

The Rule That Guarantees a Sync Tool Never Overwrites Your Edits

#obsidian #productivity #markdown #opensource

6 min read

Xin Jiang

Oct 10

Audited on a skill means 30 regexes. It is not a guarantee

#ai #security #opensource #programming

16 min read

Xin Jiang

Oct 9

Voice notes Obsidian Claude Code: an idea pipeline that actually compounds

#ai #claude #productivity #tools

2 min read

Xin Jiang

Oct 9

"iPhone storage full" but your photos are in iCloud? What's actually going on

#cloud #ios #mobile

2 min read

Xin Jiang

Oct 9

Why AI characters drift when you switch models (and what a persistent one needs)

#agents #ai #llm

2 min read

Xin Jiang

Oct 9

On-device by default: what I learned building a storage cleaner and a medical records app for iPhone

#architecture #ios #mobile #privacy

3 min read

Xin Jiang

Oct 9

Habit apps shouldn't punish you: design rules from shipping four small iPhone apps

#design #ios #mobile #ux

3 min read

Xin Jiang

Oct 9

Skill, MCP server, or paid capability? Getting paid per call when AI agents use your API

#agents #ai #api #mcp

3 min read

Xin Jiang

Oct 9

Building self-hosted, single-tenant Rails apps for small manufacturers

3 min read

Xin Jiang

Sep 17

Giving an AI agent a persistent character over MCP, because memory alone was not enough

#showdev #mcp #ai

2 min read

Writing Debut

One Year Club

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