Charles Chen (@chrlschn)
Hey there 👋
I'm Charles Chen
I'm making software for startups and enterprises — but mostly for fun (not much profit 🤣)

Here you'll find my thoughts on my experiences working with TypeScript, Vue, React, C#, .NET, cloud, startups, and building software and teams.

Have an interesting startup idea? Curious about my projects? 👇

Let's connect!
What I'm working on
RunJS MCP Server

RunJS MCP Server
2025

The only MCP server you need: let LLMs safely generate and execute JavaScript.
TypeScript is Like C#

TypeScript is Like C#
2025

A guide for JavaScript and TypeScript developers who want to learn C#.
Turas.app Chrome Extension

Turas.app Chrome Extension
2024

Turas.app Chrome extension: power-tool for planning trips rapidly directly in Google Maps.
SKPromptGenerator

SKPromptGenerator
2024

.NET 8 source generator for Semantic Kernel that removes the boilerplate when prompting LLMs.
Zeeq.ai

Zeeq.ai
2024

AI agent that watchs ClinicalTrials.gov for the latest updates and generates a personalized newsletter.
Meld

Meld
2023

AI super powers for your documents
CodeRev.app

CodeRev.app
2023

Code review as interview for technical candidates.
Turas.app

Turas.app
2023

Collaborative trip planning tool for organized travelers.
Thinktastic

Thinktastic
2021

Chat-bot interface to your business documents and operational knowledge.
Latest from the blog

2025-06-14

TypeScript Conditional Types for Type Safety (Without Assertions)

Using conditional types to achieve type safety without having to use 'as'

typescript
c#

2025-05-15

Beware the Complexity Merchants

When smart people get their high from building complex systems to solve simple problems, you're not going to have a good time

software engineering
startups

2025-01-27

The Inverted Reactivity Model of React

A quick take on the 'inverted' reactivity model of React compared to vanilla JS, Vue, and other frameworks.

react
vue
frontend
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