DEV Community

Model Context Protocol

MCP is an open protocol that standardizes how applications provide context to LLMs.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
How to grade an AI agent's output before it ships

How to grade an AI agent's output before it ships

1
Comments
3 min read
Cutting Claude API Costs in Half with a 3-Tier Routing System (Haiku/Sonnet/Opus)

Cutting Claude API Costs in Half with a 3-Tier Routing System (Haiku/Sonnet/Opus)

1
Comments
2 min read
My `claude -p` Wrapper Catches Timeouts. A Non-Zero Exit Isn't a Timeout, So It Just Crashes.

My `claude -p` Wrapper Catches Timeouts. A Non-Zero Exit Isn't a Timeout, So It Just Crashes.

Comments 1
4 min read
Talk to Your MySQL Database with Claude — No SQL Required

Talk to Your MySQL Database with Claude — No SQL Required

Comments 2
3 min read
I scanned my MCP setup and it scored 0/100. Here's what was wrong.

I scanned my MCP setup and it scored 0/100. Here's what was wrong.

Comments 3
3 min read
What Is Missing Between MCP Tool Selection and Safe Execution?

What Is Missing Between MCP Tool Selection and Safe Execution?

1
Comments 4
8 min read
Your AI agent isn't scraping; it's just failing to read.

Your AI agent isn't scraping; it's just failing to read.

Comments 1
5 min read
Building Custom MCP Clients in Next.js & Serverless Engines: The Ultimate Engineering Guide

Building Custom MCP Clients in Next.js & Serverless Engines: The Ultimate Engineering Guide

4
Comments
13 min read
MCP Inspector vs Postman in 2026: which one I actually use

MCP Inspector vs Postman in 2026: which one I actually use

Comments
7 min read
I broke my own governed MCP server by hand, then built the scanner that catches the class

I broke my own governed MCP server by hand, then built the scanner that catches the class

Comments 1
5 min read
I Gave My MCP Tool an ERROR: Convention. I Only Taught It to One of Its Two Failure Paths.

I Gave My MCP Tool an ERROR: Convention. I Only Taught It to One of Its Two Failure Paths.

1
Comments 3
4 min read
I kept losing context between LLMs, so I built a Markdown-based memory layer (and here is what I learned)

I kept losing context between LLMs, so I built a Markdown-based memory layer (and here is what I learned)

2
Comments 3
5 min read
launchd's minimal PATH breaks MCP servers: uv command not found

launchd's minimal PATH breaks MCP servers: uv command not found

1
Comments
7 min read
MCP in Production: Tool Design, Catalogs, and the Gateway Problem

MCP in Production: Tool Design, Catalogs, and the Gateway Problem

5
Comments 1
4 min read
freee + MCP: I Automated My Japanese Tax Return With Claude Code — 3 Things That Broke in Production

freee + MCP: I Automated My Japanese Tax Return With Claude Code — 3 Things That Broke in Production

1
Comments 2
4 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.