01 / Identity

FrédéricLegrand_

Scroll ↓

Forward Deployed Engineer @H company

Building the future through AI and automation. Currently working at H company as a forward deployed engineer, focused on computer use and browser automation.

Let's connect on socials below, or scroll to discover what I've been working on.

Frédéric Legrand

02 / Manifesto

I ship_

Agents.

Apps.

Browsers.

Robots.

Automations.

Computer use.

// Keep scrolling

Here's the proof_

03 / Featured work

01

Holotab

H company's Chrome extension that puts an AI agent in your browser. Automate any web task by text or voice, record routines, and schedule them to run on their own.

Add to Chrome
02

ReplyKit

Chrome extension that finds the X posts worth replying to and drafts three replies in your voice. Also works on LinkedIn and Reddit, plus a mobile web app.

Learn more
03

Chess AI

A policy/value ResNet trained on Stockfish-evaluated Lichess positions. Plays at ~2050 Elo (Stockfish-anchored estimate).

Play against the AI
04

phospho

Worked as a founding engineer on cutting-edge robotics systems that push the boundaries of what machines can do.

Learn More

04 / The rest

The Archive_

Games

A small collection of fun games, guess world capitals endlessly, or name countries that start with a given letter.

Play

Photo Generator

A service to create beautiful portraits from your photos using AI.

Generate images

Ray tracing engine

A c++ ray tracing engine, from scratch that renders 3D scenes with realistic lighting.

View on Github

Formulas for your comfort

Created an instagram page to create a community around math and physics.

View on Instagram

AI powered search engine

A search engine that crawls the web and summarizes the results using an LLM.

Try it out

Polymarket trading bot

An automated bot trading prediction markets on Polymarket. Fully private and gated — if it makes money, I'm not sharing.

// Private

MineSweeper solver

A basic AI that creates and solves Minesweeper boards.

View on Github

Crypto prices analysis

A repo of notebooks to analyze and predict crypto prices. Features LSTM, ARIMA, and other models.

View on Github

Image Model LoRa Fine-tuning

Clone yourself with a few photos using LoRa fine-tuning on an image generation model.

Clone yourself

Segmentation algorithms

A trained UNet model for Segmentation.

View on Github

More Personal Projects

Explore my github for fun projects and experiments I've worked on.

View More

05 / Recent writing

Recent Writing_

001

Teaching a neural net to play chess

From 1096 to about 2040 Elo in eight versions, and what actually moved the number.

002

Building ReplyKit

Two years of a Chrome extension that writes replies on X, LinkedIn and Reddit, and why most of the work isn’t the AI.

003

Building a Polymarket copy-trading bot

Copying other people’s trades sounds trivial. The hard part is everything between seeing a trade and getting filled.

All posts →

06 / Contact

Say Hello_

// Building the future at H company