Deep technical content

MCP Blog

Implementation guides, benchmark data, security patterns, and production architecture. Written by engineers who have deployed MCP at scale.

Featured

Advanced

8 min read

MCP Performance: Real Benchmark Numbers You Can Actually Use

Benchmark numbers comparing stdio, HTTP/SSE, and WebSocket transports. Includes cache performance data and practical recommendations.

Lee Li

Intermediate

11 min read

Building a Real MCP Integration: From API to Production in 4 Hours

A practical walkthrough of building a production MCP server: tool design, input schemas, error handling, auth, caching, and performance optimization.

Lee Li

Beginner

12 min read

Getting Started with Model Context Protocol in 2026

Learn how MCP works at the code level: the JSON-RPC handshake, tool registration, and transport options. Includes a working FastMCP example.

Lee Li

Intermediate

7 min read

Exa MCP Server Made Me Notice How Much Time I Was Wasting on Search

After a few weeks using Exa MCP Server for research work, here's what changed and what didn't.

Lee Li

Beginner

6 min read

I Wasted an Hour Picking an MCP Server and I'm Not Sure I Picked the Right One

I wanted to connect Claude to Notion. I found 14 MCP servers for it. It took an hour to pick one. Setup took 10 minutes.

Lee Li

Intermediate

7 min read

MCP with Cursor — Tips, Gotchas, and Things I Learned the Hard Way

After a month bouncing between Claude Desktop and Cursor for MCP-assisted development, here's my honest take on when to use which and what I've learned.

Lee Li

Advanced

10 min read

MCP Security — What Nobody Tells You Before You Deploy

Most MCP deployment guides skip the security conversation. After spending a few weekends reading MCP server source code, here's what I found.

Lee Li

Beginner

9 min read

What Actually Is MCP? The Non-Marketing Explanation

After 6 months building mcp-find.org, here's the explanation I wish someone had given me first — without the corporate fluff.

Lee Li

Guide

8 min read

Debugging MCP Connections — Every Error I've Hit and How I Fixed Them

A field guide to the MCP connection failures that waste the most time, with fixes grouped by how quickly you can usually resolve them.

Lee Li

Guide

7 min read

The MCP Architecture: What I Wish Someone Had Drawn on a Whiteboard for Me

A practical map of MCP architecture for developers who already know the acronym but keep mixing up host, client, and server.

Lee Li

Intermediate

6 min read

MCP vs Function Calling — I Tried Both, Here's What's Actually Different

After building the same database query tool both ways, here's the honest comparison: function calling gets you to a demo faster, but MCP gives you fewer reasons to hate your life two months later.

Lee Li

Beginner

9 min read

I Built My First MCP Server in 30 Minutes — Here's What Actually Happened

The official MCP quickstart says 15 minutes. It took me 30, and that's only because I'm not counting the 10 minutes I spent staring at a cryptic error message. Here's the full story of every mistake I made.

Lee Li

All articles

Intermediate

12 min read

MCP in Production: What Breaks After Localhost

After deploying MCP servers from localhost to cloud staging, I found recurring failure modes around transport reliability, auth, observability, and concurrent access.

Lee Li

Beginner

6 min read

The First Useful Thing MCP Gave Me Was Fewer Wrong Assumptions

The first meaningful gain I got from MCP was not flashy automation. It was fewer wrong assumptions because the model finally had the right working context.

Lee Li

Beginner

9 min read

MCP Ecosystem in 2026: What Actually Matters

Clear-eyed assessment of the 291+ server ecosystem: what shipped, what is vaporware, what categories matter, and the honest verdict.

Lee Li

Intermediate

10 min read

Testing MCP Servers: From Unit Tests to Integration Tests

A complete testing strategy: Pydantic schema edge cases, MCP protocol flow testing, load testing, and error path coverage.

Lee Li

Advanced

15 min read

Building a RAG Pipeline with MCP: A Practical Architecture

Production RAG architecture: hybrid search (vector + BM25), intelligent chunking, hybrid search with RRF reranking, context management.

Lee Li

Advanced

12 min read

MCP for Enterprise: Multi-Tenant Architecture and Security Patterns

Deploying MCP at enterprise scale: process isolation, row-level security, audit logging, rate limiting, and OAuth integration.

Lee Li

Intermediate

13 min read

Comparing MCP Servers: A Pragmatic Assessment of 20 Options

Real-world evaluation of 20 MCP servers across correctness, performance, maintenance, and security. My production stack revealed.

Lee Li

Intermediate

10 min read

Diagnosing MCP Connection Problems: A Field Guide

Every common MCP failure mode explained: server crashes, empty tool lists, timeouts, auth failures. Includes debugging checklist.

Lee Li

Beginner

14 min read

The MCP Protocol Handbook: Every JSON-RPC Method Explained

Complete reference for every MCP method: initialize, tools/list, tools/call, resources/*, prompts/* with real JSON examples.

Lee Li