אחיה כהן

Business automation & WhatsApp bots for small businesses in Israel. Achiya's Bot: a WhatsApp bot for business from ₪3,500, built on n8n on the client's server. Try it: send "דמו" to +972-50-537-7060

Ashdod, Israel Joined on Mar 6, 2026 https://achiya-automation.com/

Work

Founder at Achiya Automation — WhatsApp bots & business automation

אחיה כהן

Sep 2

I Measured What Self-Hosted Chatwoot Actually Uses. 348,703 Messages, 1.8 GB of RAM.

#selfhosted #chatwoot #devops #opensource

3 min read

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אחיה כהן

Aug 31

I Run n8n in Both Modes. Queue Mode's Peak Load: 19 Jobs.

#discuss #n8n #automation #devops

6 min read

אחיה כהן

Aug 27

I Ran 89,479 WhatsApp Messages Through WAHA. Twilio: $604.

#discuss #whatsapp #devops #automation

6 min read

אחיה כהן

Aug 24

I Audited 50,669 n8n Runs. 85% of Failures Alerted Nobody.

#discuss #n8n #devops #automation

6 min read

אחיה כהן

Aug 20

Self-Hosted Chatwoot: 5 Failures the Docs Don't Warn You About

#discuss #selfhosted #postgres #devops

7 min read

אחיה כהן

Aug 18

The Bing Side Door: 87% of ChatGPT's Citations Match Bing's Top 10

#discuss #seo #ai #chatgpt

5 min read

אחיה כהן

Aug 17

I found code in my repo I'd never seen. All 82 tests passed. I quarantined it for three days anyway.

#programming #javascript #opensource #ai

4 min read

אחיה כהן

Aug 16

I Logged Every AI Crawler for 34 Days. ChatGPT Outreads Googlebot

#discuss #ai #seo #webdev

5 min read

אחיה כהן

Aug 13

I said my tool supported multiple instances. A stranger running 15 of them filed three bugs. All three were right.

#programming #javascript #opensource #ai

4 min read

אחיה כהן

Aug 9

An invisible character broke a security patch. Then it broke my review. Then it broke my review of the fix.

#programming #javascript #opensource #ai

5 min read

אחיה כהן

Aug 4

I gave a user the right answer with the wrong mechanism. They caught it within a day.

#programming #javascript #opensource #ai

5 min read

אחיה כהן

Jul 31

A user spent four days designing a feature for my project. The right answer was zero lines of code.

#programming #javascript #opensource #ai

5 min read

אחיה כהן

Jul 27

I built a guard that refused to read the user's tab. Then my own cleanup code closed it.

#programming #javascript #opensource #ai

5 min read

אחיה כהן

Jul 23

I run an affiliate code. Seven fake ones outrank it — and Google's AI believes them.

#seo #ai #opensource #webdev

4 min read

אחיה כהן

Jul 21

My fix for a data-loss bug sat in a green PR for four days. Every install in that window still had the bug.

#programming #opensource #javascript #devops

5 min read

אחיה כהן

Jul 17

I filed a critical bug against my own tool. Then I read the code — and my own root cause was wrong.

#programming #javascript #opensource #ai

6 min read

אחיה כהן

Jul 12

A stranger fixed my bug. Then I found out he fixed the wrong half — and it still worked.

#javascript #node #debugging #opensource

7 min read

אחיה כהן

Jul 5

One command adds import, WhatsApp drip and campaigns to self-hosted Chatwoot

#selfhosted #opensource #docker #whatsapp

3 min read

אחיה כהן

Jul 2

Exactly-Once by Default: How Durable Execution Changed the Way I Build Automations

#typescript #backend #tutorial #architecture

3 min read

אחיה כהן

Jul 2

I Deleted My No-Code Automation Platform and Rewrote 34 Workflows in TypeScript

#typescript #automation #ai #devops

3 min read

אחיה כהן

Jul 2

Apple shipped an official Safari MCP. I read all 17 tools. Here's why I'm keeping mine.

#webdev #ai #opensource #apple

4 min read

אחיה כהן

Jun 29

My MCP server had 32 green tests. Not one of them had ever called a tool.

#testing #opensource #mcp #devtools

4 min read

אחיה כהן

Jun 25

My tool said "clicked." Safari never saw it. macOS 26 quietly broke a system API.

#macos #debugging #opensource #devtools

4 min read

אחיה כהן

Jun 24

How Far You Can Actually Customize Chatwoot (Self-Hosted)

#chatwoot #opensource #selfhosted #tutorial

9 min read

אחיה כהן

Jun 22

My README said 80 tools. My code had 96. Nobody noticed for weeks.

#opensource #documentation #devtools #ai

4 min read

אחיה כהן

Jun 18

A rival to my open-source tool shipped. I read all of it — then ported its 4 best ideas the same afternoon.

#webdev #opensource #safari #ios

4 min read

אחיה כהן

Jun 14

Make.com has an MCP endpoint now. The auth token goes in the URL — and 3 other walls the docs skip

#mcp #automation #api #ai

4 min read

אחיה כהן

Jun 14

My safety guard protected 2 tools and trusted the other 20

#security #ai #javascript #opensource

5 min read

אחיה כהן

Jun 8

Your branch protection is quietly turning away first-time contributors

#opensource #github #githubactions #devops

5 min read

אחיה כהן

Jun 4

My browser tool returned "[object Promise]" as a webpage. One grep later, 10 more tools had the same bug.

#mcp #debugging #javascript #postmortem

7 min read

אחיה כהן

Jun 2

I had a focus guard. macOS Tahoe walked through it three times.

#macos #ai #javascript #opensource

5 min read

אחיה כהן

May 28

An MCP server can vanish from your AI agent mid-conversation. Here's the 30-second timeout that did it to me.

#mcp #ai #devtools #debugging

6 min read

אחיה כהן

May 24

My agent could see the dropdown. It just couldn't pick anything.

#ai #opensource #javascript #postmortem

4 min read

אחיה כהן

May 17

Buying a WhatsApp Bot in 2026? Five Traps to Avoid

#automation #ai #chatbots #business

4 min read

אחיה כהן

May 17

Why element.click() Isn't a Click

#javascript #webdev #ai #opensource

4 min read

אחיה כהן

May 12

My AI agent saved the first paragraph and the last. It dropped 41 in between.

#ai #opensource #javascript #postmortem

5 min read

אחיה כהן

May 7

An AI agent overwrote two of my browser tabs. The fix took three releases.

#ai #opensource #debugging #javascript

6 min read

אחיה כהן

May 3

LinkedIn Quietly Migrated From ProseMirror to Quill — and Broke Every Browser Automation Tool That Touched the Composer

#javascript #mcp #ai #automation

4 min read

אחיה כהן

Apr 28

When GitHub Actions Goes Silent: The Pending-Forever Bug I Hit Shipping My MCP Server to npm

#github #ci #npm #devops

5 min read

אחיה כהן

Apr 22

The 3 isTrusted:false Bugs That Made LinkedIn Posts Impossible From My MCP Server

#ai #mcp #browserautomation #webdev

6 min read

אחיה כהן

Apr 20

WhatsApp Bot for Business 2026 — $1K-$4K (50+ Real Builds)

#whatsapp #chatbots #automation #node

8 min read

אחיה כהן

Apr 19

I Replaced Chrome with Safari for AI Browser Automation. Here's What Broke (and What Finally Worked)

#mcp #claude #macos #webdev

4 min read

אחיה כהן

Apr 14

I Tried to Auto-Launch My MCP Server Using My MCP Server. It Found Its Own Bug.

#javascript #mcp #browserautomation #debugging

11 min read

אחיה כהן

Apr 12

I've Deployed 50+ WhatsApp Bots — Here's How the Spam Detection Algorithm Actually Works in 2026

#whatsapp #bots #automation #security

3 min read

אחיה כהן

Apr 11

MCP vs CLI for Browser Automation: I Benchmarked Both and the Results Surprised Me

#mcp #cli #automation #ai

9 min read

אחיה כהן

Apr 11

I just hardened my OSS release pipeline to 11 layers of security — here's the playbook

#opensource #security #github #npm

7 min read

אחיה כהן

Apr 11

Why 60 seconds beats a perfect message: an automation latency study

#automation #n8n #whatsapp #marketing

5 min read

אחיה כהן

Apr 1

7 Things I Learned Building a Safari Browser Automation Tool That Chrome Can't Do

#discuss #javascript #webdev #ai

7 min read

אחיה כהן

Mar 30

I replaced Chrome DevTools MCP with Safari on my Mac. Here's what happened.

#discuss #mcp #webdev #macos

6 min read

אחיה כהן

Mar 28

Every MCP Browser Tool Uses Chromium. That's a Problem.

#discuss #mcp #safari #automation

7 min read

אחיה כהן

Mar 26

I Replaced Zapier with n8n for 12 Clients — Here's What Actually Happened

#automation #n8n #zapier #tutorial

4 min read

אחיה כהן

Mar 23

How I Built a Multi-Tenant WhatsApp Automation Platform Using n8n and WAHA

#discuss #n8n #whatsapp #automation

12 min read

אחיה כהן

Mar 23

I Built an MCP Server for Safari Because Chrome Was Melting My MacBook

#discuss #mcp #safari #macos

4 min read

אחיה כהן

Mar 22

How to Build a WhatsApp Appointment Bot with n8n and Supabase (Step-by-Step)

#discuss #n8n #whatsapp #automation

2 min read

אחיה כהן

Mar 20

How to Build a Self-Hosted Customer Support Pipeline with n8n, Supabase, and WhatsApp

#discuss #automation #n8n #whatsapp

3 min read

אחיה כהן

Mar 17

Building a WhatsApp Customer Service Bot with n8n: A Step-by-Step Guide

#discuss #tutorial #n8n #whatsapp

4 min read

אחיה כהן

Mar 17

How to Build a WhatsApp AI Customer Service Bot with n8n (No Code, Free & Open Source)

#discuss #ai #automation #opensource

4 min read

אחיה כהן

Mar 16

7 n8n Workflow Patterns Every Automation Developer Should Know

#discuss #tutorial #n8n #automation

4 min read

אחיה כהן

Mar 15

Building a Lead Capture Bot with WhatsApp and n8n (Open-Source Step-by-Step)

#discuss #tutorial #n8n #whatsapp

5 min read

אחיה כהן

Mar 15

5 Business Processes You Should Automate Before Hiring Your Next Employee

#discuss #automation #business #n8n

4 min read

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