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Model Context Protocol

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

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Codex vs. Claude Code at Liar's Dice: the Winning Bluff Was the Truth

Codex vs. Claude Code at Liar's Dice: the Winning Bluff Was the Truth

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8 min read
5 MCP pains that waste your tokens — and how I killed all 5 with a 50KB CLI

5 MCP pains that waste your tokens — and how I killed all 5 with a 50KB CLI

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2 min read
My MCP Server's Test Suite Ran Clean Every Time. It Was Also Writing to My Production Audit Log Every Time.

My MCP Server's Test Suite Ran Clean Every Time. It Was Also Writing to My Production Audit Log Every Time.

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4 min read
My Bare os.environ[...] KeyError Bug Had Two Fixes on Record. I Found a Third Call Site That Never Got Either.

My Bare os.environ[...] KeyError Bug Had Two Fixes on Record. I Found a Third Call Site That Never Got Either.

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4 min read
What Is an MCP Eval? Why Your Server Passes Every Test and Still Fails

What Is an MCP Eval? Why Your Server Passes Every Test and Still Fails

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9 min read
3 MCP servers I actually use daily (and how to set them up)

3 MCP servers I actually use daily (and how to set them up)

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1 min read
MCP Is Going Stateless: What Changed and How I Migrated My Currency Converter Server

MCP Is Going Stateless: What Changed and How I Migrated My Currency Converter Server

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9 min read
My MCP Tool's Schema Lists null as the Default for a Field. Sending null Was the One Value It Rejected.

My MCP Tool's Schema Lists null as the Default for a Field. Sending null Was the One Value It Rejected.

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4 min read
Scoping MCP tool access per client, and auditing every call

Scoping MCP tool access per client, and auditing every call

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4 min read
Putting an MCP server in front of a real product: four things I got wrong first

Putting an MCP server in front of a real product: four things I got wrong first

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4 min read
Cursor Learn Mode: teach a desktop workflow by demonstrating it

Cursor Learn Mode: teach a desktop workflow by demonstrating it

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1 min read
Your Small Business Agent Does Not Need Every Tool

Your Small Business Agent Does Not Need Every Tool

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5 min read
The Safest First MCP Workflow Is a Draft Queue, Not an Autonomous Agent

The Safest First MCP Workflow Is a Draft Queue, Not an Autonomous Agent

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5 min read
The Permission Boundary My MCP Server Doesn't Actually Have

The Permission Boundary My MCP Server Doesn't Actually Have

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4 min read
My own CI gate rejected me 4 times: every one was the same mistake

My own CI gate rejected me 4 times: every one was the same mistake

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4 min read
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