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Pierre-Laurent Medori

Head of Backend Engineering at GoodBarber. My team owns the APIs, services and infra that turn no-code projects into real published apps. I write about no-code at scale — and where AI fits in.

Location Ajaccio, Corsica Joined Joined on  Personal website https://www.goodbarber.com/blog/author/pierre-medori/
Hacktoberfest 2026 Fest Attendee
Hacktoberfest 2026 Completionist
Hacktoberfest 2026 Challenge Completion
4 Week Community Wellness Streak
2 Week Community Wellness Streak
1 Week Community Wellness Streak
Writing Debut
Corsica's first Hacktoberfest
pierrelaurentmedori profile

Corsica's first Hacktoberfest

#hacktoberfest #opensource #ai #community
1
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2 min read

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Nobody writes the post-mortem, so my bug fixes write their own

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady 🦥
pierrelaurentmedori profile

Nobody writes the post-mortem, so my bug fixes write their own

#devchallenge #ai #hf26challenge #opensource
8
Comments
12 min read
My AI-written plan went through every check I could think of. The gaps were in what I never said.
pierrelaurentmedori profile

My AI-written plan went through every check I could think of. The gaps were in what I never said.

#ai #llm #architecture #softwareengineering
5
Comments
11 min read
Adding tools to an MCP server that ChatGPT has already approved
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Adding tools to an MCP server that ChatGPT has already approved

#mcp #ai #chatgpt #python
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Comments 1
6 min read
How do you manage CORS for thousands of customer domains? Per tenant, with three answers instead of two
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How do you manage CORS for thousands of customer domains? Per tenant, with three answers instead of two

#webdev #security #architecture #python
12
Comments 2
4 min read
Give Whisper the poem, and it stops hearing the child's mistakes

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸
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Give Whisper the poem, and it stops hearing the child's mistakes

#devchallenge #hf26challenge #ai #child
6
Comments
10 min read
A saved reply is written for one customer. Your support bot can send it to anyone.
pierrelaurentmedori profile

A saved reply is written for one customer. Your support bot can send it to anyone.

#ai #rag #llm #productivity
3
Comments
6 min read
Fail-closed or fail-open? Decide per side effect, then check what your cache already decided
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Fail-closed or fail-open? Decide per side effect, then check what your cache already decided

#security #architecture #backend #devops
10
Comments
4 min read
Ten seconds of screen, then look up: a night-sky guide that wants to be put away

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿
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Ten seconds of screen, then look up: a night-sky guide that wants to be put away

#devchallenge #hf26challenge #ai #opensource
8
Comments
12 min read
How do you prevent SSRF in a proxy that calls third-party APIs? Never accept a URL
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How do you prevent SSRF in a proxy that calls third-party APIs? Never accept a URL

#security #python #architecture #webdev
10
Comments 7
5 min read
The model swap was the trigger. The bug was ours.
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The model swap was the trigger. The bug was ours.

#ai #llm #debugging #python
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Comments 19
11 min read
Which host is https://trusted@evil.com? Our approval screen and our provisioner disagreed
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Which host is https://trusted@evil.com? Our approval screen and our provisioner disagreed

#security #ai #python #webdev
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Comments 8
5 min read
A dinner planner for a friend who shouldn't have to check the AI's work

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝
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A dinner planner for a friend who shouldn't have to check the AI's work

#devchallenge #weekendchallenge #hf26challenge #ai
8
Comments
7 min read
Smaller models often read URLs like Python, not like fetch(). I benchmarked where the API key leaks

kagglechallenge

Kaggle Benchmarking Challenge Submission

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Smaller models often read URLs like Python, not like fetch(). I benchmarked where the API key leaks

#devchallenge #kagglechallenge #machinelearning #ai
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Comments 2
10 min read
How do you give local content in a WKWebView a real https origin? (iOS 17)
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How do you give local content in a WKWebView a real https origin? (iOS 17)

#ios #webdev #security #debugging
12
Comments
13 min read
Our support agent recommended replacing a valid API key
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Our support agent recommended replacing a valid API key

#ai #softwareengineering #openai #debugging
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Comments
4 min read
What does a JWT actually prove? Less than your API assumes
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What does a JWT actually prove? Less than your API assumes

#webdev #security #authentication #http
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Comments
6 min read
How do you stop an LLM from leaking API keys in the code it writes? Default to secret
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How do you stop an LLM from leaking API keys in the code it writes? Default to secret

#ai #security #llm #softwareengineering
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Comments 9
8 min read
Listing a remote MCP server in every directory: what each one actually checks (September 2026)
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Listing a remote MCP server in every directory: what each one actually checks (September 2026)

#mcp #ai #opensource #devrel
9
Comments
10 min read
Fifteen years of the same click: what the agent era keeps rediscovering about distributed systems

Old systems patterns reappear in AI agent builds
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Fifteen years of the same click: what the agent era keeps rediscovering about distributed systems

#architecture #ai #softwareengineering #career
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Comments 7
7 min read
"Too many levels of symbolic links" with no symlink in sight: autofs, a bind mount and a cron container
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"Too many levels of symbolic links" with no symlink in sight: autofs, a bind mount and a cron container

#linux #docker #devops #debugging
15
Comments
4 min read
How do you debug something that is allowed to be wrong?

Stale cache traps agent loops
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How do you debug something that is allowed to be wrong?

#ai #softwareengineering #observability #debugging
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Comments 17
9 min read
Fourteen years of blog posts, seven languages, one laptop: an open-weight model did our hreflang backfill

Hacktoberfest: Maintainer Spotlight
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Fourteen years of blog posts, seven languages, one laptop: an open-weight model did our hreflang backfill

#hacktoberfest #ai #opensource #seo
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Comments 3
10 min read
Your agent's memory is a liability: track state, not history
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Your agent's memory is a liability: track state, not history

#ai #llm #architecture #performance
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Picked as gem Comments 6
10 min read
The agents in production aren't mine. Here's what their server sees
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The agents in production aren't mine. Here's what their server sees

#ai #agents #devops #software
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Comments 2
8 min read
There is no free lunch, especially in app publishing
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There is no free lunch, especially in app publishing

#nocode #mobile #infrastructure #startup
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Comments 1
4 min read
Determinism Is a Feature
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Determinism Is a Feature

#programming #ai #career #testing
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6 min read
The Cows Don't Send Alerts
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The Cows Don't Send Alerts

#career #wellbeing #devlife #productivity
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5 min read
Our MCP server is now a ChatGPT plugin
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Our MCP server is now a ChatGPT plugin

#mcp #openai #chatgpt #ai
3
Comments
3 min read
MCP 2026-07-28 from the server side: Codex already speaks it, Claude doesn't yet
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MCP 2026-07-28 from the server side: Codex already speaks it, Claude doesn't yet

#mcp #ai #webdev #programming
6
Comments
4 min read
llms.txt in the wild: 1,321 requests, and not one AI assistant came looking
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llms.txt in the wild: 1,321 requests, and not one AI assistant came looking

#seo #ai #webdev #llm
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Comments 1
10 min read
Your MCP write returned 200. Did the right thing actually happen?
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Your MCP write returned 200. Did the right thing actually happen?

#mcp #ai #security #webdev
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Comments 3
9 min read
I gave an AI agent the keys to a live production app: here's the MCP setup
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I gave an AI agent the keys to a live production app: here's the MCP setup

#mcp #ai #webdev #tutorial
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Comments 3
6 min read
Not all MCP servers are equal: BaaS MCP vs application MCP
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Not all MCP servers are equal: BaaS MCP vs application MCP

#mcp #ai #webdev #backend
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Comments 2
8 min read
In-app purchases without writing StoreKit or Play Billing: selling subscriptions inside your app
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In-app purchases without writing StoreKit or Play Billing: selling subscriptions inside your app

#nocode #ios #android
2
Comments
6 min read
No-code at scale: Why the real engineering challenge is the treadmill, not the editor.
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No-code at scale: Why the real engineering challenge is the treadmill, not the editor.

#architecture #infrastructure #mobile #softwareengineering
2
Comments 2
5 min read
Privacy by design at the binary level: no ghost SDK in your build
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Privacy by design at the binary level: no ghost SDK in your build

#privacy #nocode #ios #android
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Comments 2
5 min read
Building a production MCP server: How we made GoodBarber agent-ready (without the glue code)
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Building a production MCP server: How we made GoodBarber agent-ready (without the glue code)

#mcp #ai #nocode #tutorial
5
Comments 2
5 min read
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