Everything About: Samuelfmedeiros

SAMUELFMEDEIROS

Nov 3

The Agent That Writes the Code Cannot Be the One That Certifies It

#ai #llm #python #testing

3 min read

SAMUELFMEDEIROS

Oct 26

Make your AI agent prove it: a deterministic delivery gate

#agents #ai #automation #testing

1

3 min read

SAMUELFMEDEIROS

Oct 23

Yurumi: the dry run that wrote and the error that hid its own name

#debugging #cron #qdrant #memory

4 min read

SAMUELFMEDEIROS

Oct 22

The 302 that pretended to be a 200

#http #debugging #cloudflare #security

4 min read

SAMUELFMEDEIROS

Oct 22

The 129 elements that only existed once JavaScript loaded

#nextjs #ssr #react #webperf

4 min read

SAMUELFMEDEIROS

Oct 19

The cron runs, says “completed” and the message never arrives

#debugging

2 min read

SAMUELFMEDEIROS

Oct 19

The agent said “done” and produced nothing — verifying is not producing

#agents #ai #llm #productivity

2 min read

SAMUELFMEDEIROS

Oct 19

Do not let the agent grade its own work

#agents #ai #llm #softwareengineering

2 min read

SAMUELFMEDEIROS

Oct 19

Where to post your launch (and where you burn reputation trying)

#buildinpublic #marketing #startup

2 min read

SAMUELFMEDEIROS

Oct 19

A marketplace price is retail, not cost: how not to build margin on the wrong number

#automation #data #webscraping

1

2 min read

SAMUELFMEDEIROS

Oct 19

A screenshot that fails on its own: pin the data, not the pixel

#frontend #testing #webdev

2 min read

SAMUELFMEDEIROS

Oct 19

Your agent's memory stopped writing and nobody told you

#agents #debugging #python

2 min read

SAMUELFMEDEIROS

Oct 19

A guard that never fires is the same as a guard that does not work

#automation #debugging #devops #monitoring

2 min read

SAMUELFMEDEIROS

Oct 19

MCP server connects but never asks you to log in

#api #debugging #mcp #security

4 min read

SAMUELFMEDEIROS

Oct 18

Your MCP server works in the terminal and fails in the client — the four causes

#api #backend #debugging #mcp

1

2 min read

SAMUELFMEDEIROS

Oct 18

The 200 that is not a result: how to verify without fooling yourself

#development #testing #webscraping

2 min read

SAMUELFMEDEIROS

Oct 18

It passes on your machine and breaks in CI — the causes that are not your code

#cicd #devops #testing

2 min read

SAMUELFMEDEIROS

Oct 18

Your agent said “it works”. That is an opinion, not a result

#agents #ai #llm #testing

3 min read

SAMUELFMEDEIROS

Oct 17

Your visual test failed: is it the page or the capture?

#testing #devops #ci

4 min read

DEV Community

SAMUELFMEDEIROS

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Writing Debut

The Agent That Writes the Code Cannot Be the One That Certifies It

Make your AI agent prove it: a deterministic delivery gate

Yurumi: the dry run that wrote and the error that hid its own name

The 302 that pretended to be a 200

The 129 elements that only existed once JavaScript loaded

The cron runs, says “completed” and the message never arrives

The agent said “done” and produced nothing — verifying is not producing

Do not let the agent grade its own work

Where to post your launch (and where you burn reputation trying)

A marketplace price is retail, not cost: how not to build margin on the wrong number

A screenshot that fails on its own: pin the data, not the pixel

Your agent's memory stopped writing and nobody told you

A guard that never fires is the same as a guard that does not work

MCP server connects but never asks you to log in

Your MCP server works in the terminal and fails in the client — the four causes

The 200 that is not a result: how to verify without fooling yourself

It passes on your machine and breaks in CI — the causes that are not your code

Your agent said “it works”. That is an opinion, not a result

Your visual test failed: is it the page or the capture?