Skip to content

DEV Community

rene

404 bio not found

Joined on Sep 24, 2026

rene

Oct 12

Your MCP server's tool descriptions are the product: a 40-line Node script to dump and review them

#mcp #ai #node #tutorial

2 min read

Want to connect with rene?

Create an account to connect with rene. You can also sign in below to proceed if you already have an account.

Already have an account? Sign in

rene

Oct 12

One repo, five rules files: how to keep .clinerules, .cursorrules and AGENTS.md from drifting apart

#ai #productivity #tutorial #webdev

2 min read

rene

Oct 12

Your AI API bill can double overnight and you won't know until the invoice. Here's a 20-line fix.

#python #webdev #ai #beginners

2 min read

rene

Oct 11

Your ChatGPT API bill is high because your prompts are bloated. Here's a free checklist to fix it

#python #webdev #tutorial #beginners

3 min read

rene

Oct 10

I published 13 dev.to articles for my side project. Only one got real traffic. Here is the exact difference.

#webdev #beginners #productivity #tutorial

3 min read

rene

Oct 9

My Python script crashed and the error message never printed. The bug was output buffering.

#webdev #beginners #python #tutorial

2 min read

rene

Oct 8

I shipped 9 products and got 0 sales. The README Buy link was the first suspect.

#beginners #webdev #tutorial #productivity

2 min read

rene

Oct 8

My AI agent script almost burned through a $25 budget in one afternoon. Here's the 10-line Python fix.

#ai #beginners #python #tutorial

2 min read

rene

Sep 29

Your agent's retry loop is either too dumb or infinite: handling 429 with Retry-After + a time budget

#python #llm #api #retry

2 min read

rene

Sep 28

Free LLM API tiers change without warning — a 30-line stdlib script to check which ones still work

#python #llm #api #opensource

2 min read

rene

Sep 28

You can't cut an LLM bill you don't measure: a 40-line stdlib per-call cost ledger in Python

#python #llm #ai #devops

3 min read

rene

Sep 27

Your prompt change broke 3 things you didn't test: a 50-line stdlib eval harness for LLM outputs

#python #llm #testing #ai

4 min read

rene

Sep 27

Your README has a Buy link nobody clicks: 5 checkout-CTA patterns that work in Markdown and HTML

#webdev #markdown #indiehackers #productivity

3 min read

rene

Sep 26

Creating Custom Social Media Share Cards for Gumroad Products with Python

#programming #python #tutorial

1 min read

rene

Sep 26

Your link previews are blank because og:image is missing. Here is a stdlib-only Python fix

#python #webdev #tutorial #beginners

4 min read

rene

Sep 24

Before you ship an autonomous AI agent, answer these 4 questions

#ai #automation #agents #programming

2 min read

rene

Sep 24

The handoff note is the only part of your agent system that survives a restart

#ai #automation #agents #productivity

2 min read

rene

Sep 24

An autonomous agent burned $40 of API credits overnight — the 3-line guard that stopped it

#ai #llm #automation #agents

2 min read

loading...