---
title: "Mahesh (@filtercoffeeway) | Hashnode"
description: "Ground fresh. Think deep. Build strong. Read the latest articles by Mahesh on Hashnode."
url: "https://hashnode.com/@filtercoffeeway"
---

@filtercoffeeway

# Mahesh

@filtercoffeeway · San Francisco, USA · Joined May 2026

Ground fresh. Think deep. Build strong.

### [HTML is the new Markdown. Your agent reads a different page](https://blog.filtercoffeeway.com/the-page-your-agent-reads?utm_source=hashnode&utm_medium=feed)

AI-written HTML pages can hide text that people never see but agents read.

12 min read · [blog.filtercoffeeway.com](https://blog.filtercoffeeway.com/the-page-your-agent-reads?utm_source=hashnode&utm_medium=feed)

[10](https://hashnode.com/posts/the-page-your-agent-reads/6ad3f83669a965c237b00933) [Oct 17](https://hashnode.com/posts/the-page-your-agent-reads/6ad3f83669a965c237b00933)

### [I attacked my own finance bot. The fix wasn't a better prompt.](https://blog.filtercoffeeway.com/i-attacked-my-own-finance-bot-the-fix-wasn-t-a-better-prompt?utm_source=hashnode&utm_medium=feed)

Assume the AI can be fooled, and limit the damage it can do.

7 min read · [blog.filtercoffeeway.com](https://blog.filtercoffeeway.com/i-attacked-my-own-finance-bot-the-fix-wasn-t-a-better-prompt?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/i-attacked-my-own-finance-bot-the-fix-wasn-t-a-better-prompt/6acc5d11b64aa9414a3a36e1) [Oct 12](https://hashnode.com/posts/i-attacked-my-own-finance-bot-the-fix-wasn-t-a-better-prompt/6acc5d11b64aa9414a3a36e1)

### [A weekend addition to my Pi cluster: Claude, GitHub runners, and a Telegram approval button](https://blog.filtercoffeeway.com/a-weekend-addition-to-my-pi-cluster-claude-github-runners-and-a-telegram-approval-button?utm_source=hashnode&utm_medium=feed)

The Pis now test, ship, and babysit my code. I just tap Approve.

11 min read · [blog.filtercoffeeway.com](https://blog.filtercoffeeway.com/a-weekend-addition-to-my-pi-cluster-claude-github-runners-and-a-telegram-approval-button?utm_source=hashnode&utm_medium=feed)

[Sep 27](https://hashnode.com/posts/a-weekend-addition-to-my-pi-cluster-claude-github-runners-and-a-telegram-approval-button/6ab9417805ad944c666b44ed)

### [I Sent an AI to Order My Coffee. The Restaurant's AI Answered.](https://blog.filtercoffeeway.com/i-sent-an-ai-to-order-my-coffee-the-restaurant-s-ai-answered?utm_source=hashnode&utm_medium=feed)

What I built, what I got wrong, and the one guardrail I couldn't move out of the prompt. (The name is a person. I'll come back to it at the end.) It started because the restaurant automated first I ca

12 min read · [blog.filtercoffeeway.com](https://blog.filtercoffeeway.com/i-sent-an-ai-to-order-my-coffee-the-restaurant-s-ai-answered?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/i-sent-an-ai-to-order-my-coffee-the-restaurant-s-ai-answered/6a9faa3a125cdbdd134ad862) [Sep 8](https://hashnode.com/posts/i-sent-an-ai-to-order-my-coffee-the-restaurant-s-ai-answered/6a9faa3a125cdbdd134ad862)

### [I Am the Filter Coffee Way](https://blog.filtercoffeeway.com/i-am-the-filter-coffee-way?utm_source=hashnode&utm_medium=feed)

Seven principles. One ritual. One way of thinking.

5 min read · [blog.filtercoffeeway.com](https://blog.filtercoffeeway.com/i-am-the-filter-coffee-way?utm_source=hashnode&utm_medium=feed)

[May 25](https://hashnode.com/posts/i-am-the-filter-coffee-way/6a13ffb6ccf5962175e89dfa)
