Kiell Tampubolon

I help .NET developers ship secure document automation. Writing about C#, PDF generation, and the security mistakes that matter in regulated industries.

Singapore Joined on Apr 21, 2026 https://kielltampubolon.netlify.app/

Kiell Tampubolon

Jul 4

Your AI agent is the most over-privileged account you own

#security #ai #agents #tutorial

4 min read

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Kiell Tampubolon

Jul 4

The MCP attack your code review cannot see

#security #mcp #ai #python

4 min read

Kiell Tampubolon

Jun 29

Di era AI, yang menang bukan yang kerja paling banyak

#career #productivity #ai #mindset

3 min read

Kiell Tampubolon

Jun 23

Connecting Sophos Central to a Copilot Studio Agent with Power Automate

#powerautomate #security #copilotstudio #automation

4 min read

Kiell Tampubolon

Jun 15

I gave Claude a memory of everything I browse — here's the architecture

#mcp #ai #typescript #opensource

3 min read

Kiell Tampubolon

Jun 11

We thought we had location-based MFA. We had something else entirely

#security #azure #microsoft #tutorial

5 min read

June Solstice Game Jam Submission

Kiell Tampubolon

Jun 7

Solstice — A Game About Holding the Light

#devchallenge #gamechallenge #gamedev #javascript

3 min read

Kiell Tampubolon

Jun 7

Finishing a Read-Only MCP Server: From 6 Tools to 9

#devchallenge #githubchallenge #ai #opensource

3 min read

Kiell Tampubolon

Jun 6

Claude Token Monitor 🚀 — Real-Time Claude Usage HUD for Your Windows Desktop

#python #claude #productivity #opensource

3 min read

Kiell Tampubolon

Jun 6

AI Agents: The Future of Autonomous Intelligence

#ai #machinelearning #programming #webdev

3 min read

Kiell Tampubolon

May 27

I Built a Kubernetes Alternative. It Changed My Perspective on Complexity.

#devops #webdev #javascript #github

2 min read

Gemma 4 Challenge: Write about Gemma 4 Submission

Kiell Tampubolon

May 18

I Dumped My Entire Codebase into Gemma 4. It Found a Bug My Team Missed for 3 Months.

#devchallenge #gemmachallenge #gemma #ai

5 min read

Kiell Tampubolon

May 18

I Was Wrong About AI. Here Is the Moment That Changed It.

#webdev #devops #javascript #cloudflare

3 min read

Kiell Tampubolon

May 8

I Struggled with Data Analysis. Claude for Excel Changed Everything.

#devops #webdev #javascript #github

3 min read

Kiell Tampubolon

May 7

I Struggled with a Bug for Days — Here's What I Learned About Clean Code and Debugging

#webdev #javascript #devops #github

4 min read

Kiell Tampubolon

May 6

I Deployed My First Cloudflare Worker — Here's What I Learned

#cloudflare #webdev #devops #javascript

3 min read

Kiell Tampubolon

May 6

I Thought I Understood State Management in React. Then a Memory Leak Happened.

#webdev #javascript #devops #github

4 min read

Kiell Tampubolon

May 5

I Tidied Up Hundreds of Open Tabs with Notion Web Clipper — Here's What I Found

#webdev #javascript #devops #productivity

3 min read

Kiell Tampubolon

May 5

The Surprising Power of Code Reviews: Pull Requests That Saved My Project

#devops #webdev #javascript #github

4 min read

Kiell Tampubolon

May 5

I Shipped My First Cloudflare Worker via GitHub Actions in 47 Minutes (3 Were Wasted on the Wrong API Token)

#cloudflare #github #devops #beginners

4 min read

Kiell Tampubolon

May 4

I Connected 11 MCP Servers. 3 of Them Actually Did Anything.

#discuss #mcp #ai #productivity

4 min read

Kiell Tampubolon

May 1

I Built an OSINT Aggregator That Queries 5 Threat Intel Sources in One Command

#python #cybersecurity #opensource #osint

4 min read

Kiell Tampubolon

Apr 27

I Let Claude Pentest My Own Side Project for $0.43. It Found Three Things in 12 Minutes.

#security #ai #webdev #productivity

6 min read

OpenClaw Challenge Submission 🦞

Kiell Tampubolon

Apr 25

I Let OpenClaw Run My Mornings for 7 Days. It Stopped Acting Like a Chatbot on Day 4.

#devchallenge #openclawchallenge #ai #productivity

3 min read

Google Cloud NEXT '26 Challenge Submission

Kiell Tampubolon

Apr 23

What's New in GKE at Next '26: Kubernetes Just Got Smarter (and Cheaper)

#devchallenge #cloudnextchallenge #googlecloud #kubernetes

5 min read

Kiell Tampubolon

Apr 21

Building Secure PDF Automation in .NET: The Trade-offs Nobody Talks About

#dotnet #csharp #security #architecture

6 min read

DEV Community

Kiell Tampubolon

GitHub Copilot "Finish-Up-A-Thon" Challenge Completion

Gemma 4 Challenge Completion

2 Week Community Wellness Streak

Google Cloud NEXT Writing Challenge Completion Badge

OpenClaw Challenge Completion Badge

1 Week Community Wellness Streak

Writing Debut

Your AI agent is the most over-privileged account you own

Want to connect with Kiell Tampubolon?

The MCP attack your code review cannot see

Di era AI, yang menang bukan yang kerja paling banyak

Connecting Sophos Central to a Copilot Studio Agent with Power Automate

I gave Claude a memory of everything I browse — here's the architecture

We thought we had location-based MFA. We had something else entirely

Solstice — A Game About Holding the Light

Finishing a Read-Only MCP Server: From 6 Tools to 9

Claude Token Monitor 🚀 — Real-Time Claude Usage HUD for Your Windows Desktop

AI Agents: The Future of Autonomous Intelligence

I Built a Kubernetes Alternative. It Changed My Perspective on Complexity.

I Dumped My Entire Codebase into Gemma 4. It Found a Bug My Team Missed for 3 Months.

I Was Wrong About AI. Here Is the Moment That Changed It.

I Struggled with Data Analysis. Claude for Excel Changed Everything.

I Struggled with a Bug for Days — Here's What I Learned About Clean Code and Debugging

I Deployed My First Cloudflare Worker — Here's What I Learned

I Thought I Understood State Management in React. Then a Memory Leak Happened.

I Tidied Up Hundreds of Open Tabs with Notion Web Clipper — Here's What I Found

The Surprising Power of Code Reviews: Pull Requests That Saved My Project

I Shipped My First Cloudflare Worker via GitHub Actions in 47 Minutes (3 Were Wasted on the Wrong API Token)

I Connected 11 MCP Servers. 3 of Them Actually Did Anything.

I Built an OSINT Aggregator That Queries 5 Threat Intel Sources in One Command

I Let Claude Pentest My Own Side Project for $0.43. It Found Three Things in 12 Minutes.

I Let OpenClaw Run My Mornings for 7 Days. It Stopped Acting Like a Chatbot on Day 4.

What's New in GKE at Next '26: Kubernetes Just Got Smarter (and Cheaper)

Building Secure PDF Automation in .NET: The Trade-offs Nobody Talks About