@ar27111994

Ahmed Rehan

@ar27111994Rawalpindi, Punjab, PakistanJoined December 2025

Dedicated & efficient Full Stack Developer

About

Full-stack engineer and solo builder focused on developer tools, agent systems, workflow automation, webhooks, and reliable high-performance software.

Available for

Rewarding part-time paid and free open source work.

Ahmed Rehan's blogs

Webhook Debuggerwebhook-debugger.hashnode.dev3 posts

Agentic AIagent-harness.hashnode.dev2 posts

Agent assets need a lifecycle, not a dumping ground

I recently shipped agent-harness v1.0.0. It is a Node.js / TypeScript CLI for discovering, staging, activating, and wiring reusable AI-agent assets across VS Code / GitHub Copilot, Cursor, OpenCode, Z

May 18 · 5 min readagent-harness.hashnode.dev

Why I built a more restrained alternative to giant AI skill bundles

I recently released agent-harness v1.0.0. It’s a Node.js / TypeScript CLI for discovering, staging, activating, and wiring reusable AI-agent assets across VS Code / GitHub Copilot, Cursor, OpenCode, Z

May 8 · 4 min readagent-harness.hashnode.dev

Engineering a High-Performance Webhook Ingestor: Handling 10k/min with Node.js & SSE

Introduction Building a webhook receiver is often the "Hello World" of backend programming. But building one that handles enterprise-grade traffic, streams logs in real-time to hundreds of concurrent users, and allows dynamic reconfiguration without ...

Jan 15 · 6 min readwebhook-debugger.hashnode.dev

How to Debug Webhook Integrations in 10 Minutes: A Professional Guide

I used to spend 3-4 hours debugging a single webhook integration. Last month, my team integrated Stripe payments, and signature validation kept failing. We burned half a day trying to figure out why. Today, we debug the same type of issue in about 10...

Jan 4 · 7 min readwebhook-debugger.hashnode.dev

Best Webhook Testing Tools for Developers: A Complete Technical Guide 2025

TL;DR Best overall: Webhook Debugger & Logger (comprehensive features, pay-per-event) Best for localhost: ngrok (tunnelling standard) Best for production: Hookdeck (enterprise-grade, $70/month) Best free: RequestBin (basic but functional) Best f...

Dec 25, 2025 · 10 min readwebhook-debugger.hashnode.dev

Ahmed Rehan

About

Available for

Ahmed Rehan's blogs

Agent assets need a lifecycle, not a dumping ground

Why I built a more restrained alternative to giant AI skill bundles

Engineering a High-Performance Webhook Ingestor: Handling 10k/min with Node.js & SSE

How to Debug Webhook Integrations in 10 Minutes: A Professional Guide

Best Webhook Testing Tools for Developers: A Complete Technical Guide 2025

Search Hashnode

Ahmed Rehan

About

Available for

Ahmed Rehan's blogs

Agent assets need a lifecycle, not a dumping ground

Why I built a more restrained alternative to giant AI skill bundles

Engineering a High-Performance Webhook Ingestor: Handling 10k/min with Node.js & SSE

How to Debug Webhook Integrations in 10 Minutes: A Professional Guide

Best Webhook Testing Tools for Developers: A Complete Technical Guide 2025