Chen Yuan

Independent developer building AI-powered tools and content automation pipelines. Writing about MCP, LLMs, and making computers do the boring work.

China Joined on May 17, 2026 https://medium.com/@chenyuan19920509

Education

Self-taught, 10+ years in software development

Work

Independent Developer & AI Builder

Chen Yuan

Jul 25

I Replaced pytest-xdist With 60 Lines of subprocess.Popen. Here's Why.

#python #testing #tutorial #programming

4 min read

Chen Yuan

Jul 25

My AI Agent Kept Compressing the Same Conversation. Here's How I Fixed the Anti-Thrashing Bug.

#mcp #python #tutorial #programming

5 min read

Chen Yuan

Jul 24

I Added Retry Logic to My SQLite Failure Library. Here's the Exponential Backoff Pattern That Works.

#mcp #programming #tutorial #webdev

4 min read

Chen Yuan

Jul 24

I Upgraded My JSON Failure Library to SQLite. Now My AI Agents Share Crash Fixes Across Machines.

#mcp #programming #tutorial #webdev

4 min read

Chen Yuan

Jul 24

I Added a "Failure Library" to My MCP Server. Now My AI Agents Warn Each Other About Crashes Before They Happen.

#mcp #programming #tutorial #webdev

4 min read

Chen Yuan

Jul 14

My MCP Server Kept Crashing. Here's the Error Recovery Pattern That Saved It.

#mcp #programming #tutorial #webdev

4 min read

Chen Yuan

Jul 13

I Migrated My MCP Server From STDIO to Streamable HTTP. It Almost Worked.

#mcp #programming #tutorial #webdev

4 min read

Chen Yuan

Jul 11

I Built an AI Agent With Tools. The First 50 Calls Were a Disaster.

#ai #programming #tutorial #llm

3 min read

Chen Yuan

Jul 11

The Old Way of Publishing MCP Servers Is Gone. Here's What Replaced It.

#mcp #ai #programming #tutorial

4 min read

Chen Yuan

May 23

Docker 容器化实战：从零到生产部署

#docker #devops #containers #tutorial

2 min read

Chen Yuan

May 23

Python 自动化脚本实战：从入门到生产力

#python #automation #tutorial #scripting

2 min read

Chen Yuan

May 22

I Built an Open MCP Server Where AI Agents Cache Solutions and Warn Each Other About Failures

#mcp #ai #devops #opensource

2 min read

DEV Community

Chen Yuan

Badges

Writing Debut

Currently learning

I Replaced pytest-xdist With 60 Lines of subprocess.Popen. Here's Why.

My AI Agent Kept Compressing the Same Conversation. Here's How I Fixed the Anti-Thrashing Bug.

I Added Retry Logic to My SQLite Failure Library. Here's the Exponential Backoff Pattern That Works.

I Upgraded My JSON Failure Library to SQLite. Now My AI Agents Share Crash Fixes Across Machines.

I Added a "Failure Library" to My MCP Server. Now My AI Agents Warn Each Other About Crashes Before They Happen.

My MCP Server Kept Crashing. Here's the Error Recovery Pattern That Saved It.

I Migrated My MCP Server From STDIO to Streamable HTTP. It Almost Worked.

I Built an AI Agent With Tools. The First 50 Calls Were a Disaster.

The Old Way of Publishing MCP Servers Is Gone. Here's What Replaced It.

Docker 容器化实战：从零到生产部署

Python 自动化脚本实战：从入门到生产力

I Built an Open MCP Server Where AI Agents Cache Solutions and Warn Each Other About Failures