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강해수

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More parallel subagents made my pipeline slower. Here's the data.
riversea profile

More parallel subagents made my pipeline slower. Here's the data.

#ai #aiagents #mcp #cloudflare
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Your R2 presigned URL has a shorter TTL than you think — here's why
riversea profile

Your R2 presigned URL has a shorter TTL than you think — here's why

#cloudflare #serverless #webdev #tutorial
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I tracked every context switch across two businesses for 90 days. The 23-minute recovery rule is misleading.
riversea profile

I tracked every context switch across two businesses for 90 days. The 23-minute recovery rule is misleading.

#productivity #ai #workflow #knowledgework
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40% of my lookalike rebuilds were unnecessary — here's the signal-triggered system I use instead
riversea profile

40% of my lookalike rebuilds were unnecessary — here's the signal-triggered system I use instead

#marketing #d2c #paidads #analytics
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My agent was 'succeeding' on Slack while silently doing nothing — here's the monitoring stack that caught it
riversea profile

My agent was 'succeeding' on Slack while silently doing nothing — here's the monitoring stack that caught it

#ai #aiagents #mcp #cloudflare
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D1 read replicas returned stale data for 6 seconds — here's what I measured and how I designed around it
riversea profile

D1 read replicas returned stale data for 6 seconds — here's what I measured and how I designed around it

#cloudflare #serverless #webdev #tutorial
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2 min read
I tracked AI rewrite rates for 12 weeks. Notion AI needed fixing 70% of the time. Claude: 30%.
riversea profile

I tracked AI rewrite rates for 12 weeks. Notion AI needed fixing 70% of the time. Claude: 30%.

#productivity #ai #workflow #knowledgework
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25–35% of our best customers were aging out of retargeting before we ever showed them an ad
riversea profile

25–35% of our best customers were aging out of retargeting before we ever showed them an ad

#marketing #d2c #paidads #analytics
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2 min read
I cut my Claude system prompt from 4,200 to 820 tokens to save money. It broke production in 3 days.
riversea profile

I cut my Claude system prompt from 4,200 to 820 tokens to save money. It broke production in 3 days.

#ai #aiagents #mcp #cloudflare
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2 min read
My weekly review clocked 14 minutes median — here's the one structural change that made it stick
riversea profile

My weekly review clocked 14 minutes median — here's the one structural change that made it stick

#productivity #ai #workflow #knowledgework
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A Merchant Center disapproval wiped 40% of our SKUs the day a 6-week promo launched
riversea profile

A Merchant Center disapproval wiped 40% of our SKUs the day a 6-week promo launched

#marketing #d2c #paidads #analytics
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I wasted $43 rebuilding a Vectorize index the wrong way — here's the $5.50 fix
riversea profile

I wasted $43 rebuilding a Vectorize index the wrong way — here's the $5.50 fix

#ai #aiagents #mcp #cloudflare
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I tracked 34 'dead opens' in Obsidian over 3 weeks. That's why I switched to Tana.
riversea profile

I tracked 34 'dead opens' in Obsidian over 3 weeks. That's why I switched to Tana.

#productivity #ai #workflow #knowledgework
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Naver catalog quality score: the field that tanked impression share wasn't the one we were optimizing
riversea profile

Naver catalog quality score: the field that tanked impression share wasn't the one we were optimizing

#marketing #d2c #paidads #analytics
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A Durable Object I thought was idle cost me $40/mo — here's exactly why
riversea profile

A Durable Object I thought was idle cost me $40/mo — here's exactly why

#cloudflare #serverless #webdev #tutorial
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