Kumar Harsh Available for freelance work

Work

(10)

Shipped in the last six months, and live today.

Real, live, tested applications built and shipped to production. No mock-ups, no placeholders.

Contact sheet

All ten at a glance

The index

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01

Honey

A private, witty, always-on assistant that lives in WhatsApp. It remembers, sets reminders, logs receipts, ghostwrites LinkedIn posts and understands voice notes.

Cloudflare Workers, Meta WhatsApp Cloud API, Cloudflare D1, Gemini 2.5 Flash, Groq LLaMA-3

Flagship WhatsApp agent
02

Memory

A persistent cognitive layer for the web. Attach thoughts, notes and tasks to any URL and watch them resurface when you revisit the page.

Gemini 2.5 API, React 19, Vector memory, Express backend, TypeScript

Web memory layer
03

India Market Scanner

An open-source Claude skill for NSE and BSE. Ask in plain English and it scans the market with live data, turns a budget like ₹2,000 into a whole-share plan and sorts IPOs into listing-gain or long-term picks. Educational, not investment advice.

Claude Agent Skill, Live market data, IPO scoring

Open-source Claude skill
04

ReplyBro

A conversational wingman for the moment you wonder what to say back. Drafts context-aware replies, witty or razor-sharp professional, tuned to intent and platform.

LLM orchestration, LangChain, TypeScript

AI copilot
05

MemeGenius AI

A meme engine that grasps internet culture, tone and humour. Gemini Vision reads the image, then dynamic typography is rendered on a custom canvas.

Gemini Vision, Multimodal AI, Generative canvas

Multimodal AI
06

Hiccup

An endpoint that misbehaves on purpose: slow responses, random 500s, dropped sockets and jitter. Test retry budgets and backoff without building flaky mock servers.

Chaos engineering, API resilience, Edge functions

Network chaos sandbox
07

Invoicely

Privacy-first GST invoices and bills of supply in 60 seconds, with NPCI-compliant UPI payment QR codes. No sign-ups, no walls, built for Indian freelancers and agencies.

FinTech, NPCI UPI engine, React 19

Fintech utility
08

PACE

Turns running, cycling and fitness telemetry into publication-grade visual records and clean photo overlays, inspired by Strava, Oura and Scandinavian editorial design.

React 19, SVG telemetry, Motion engine

Telemetry studio
09

SmoothRide

A relaxing, hand-tracked driving experience. Steer with a virtual wheel made from your own two hands.

React, Hand tracking, Interactive UI

Hand-tracked driving
10

AsciiMe

A media converter and live camera engine that turns raw pixels into real-time, customisable ASCII art using luminance matrix mapping.

TypeScript, Canvas API, ASCII vision

Camera ASCII engine

Curious about earlier builds, experimental algorithms or open-source libraries?

See all 68 repositories on GitHub