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A Paired Buy and Sell EA Needs One Explicit Cycle State

A Paired Buy and Sell EA Needs One Explicit Cycle State

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4 min read
I Published Every Flaw My Safety Tool Can't Catch. It Made It More Credible, Not Less.

I Published Every Flaw My Safety Tool Can't Catch. It Made It More Credible, Not Less.

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8 min read
Why Paddle's subscription.activated arrives before subscription.created

Why Paddle's subscription.activated arrives before subscription.created

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3 min read
Generating test cases is the easy part

Generating test cases is the easy part

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4 min read
The index was lying and the eval knew

The index was lying and the eval knew

Comments 2
11 min read
Testing an MCP server at the stdio boundary: handshake, discovery, and real calls

Testing an MCP server at the stdio boundary: handshake, discovery, and real calls

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Comments 1
5 min read
My Commit Said "Stop Trusting the Receipt." That Is the Commit Where the Trusting Started.

Caught in 3 minutes via empty-set trap logic

My Commit Said "Stop Trusting the Receipt." That Is the Commit Where the Trusting Started.

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8 min read
LlamaIndex makes RAG easy to build and hard to debug. Here is how I evaluate it.

LlamaIndex makes RAG easy to build and hard to debug. Here is how I evaluate it.

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6 min read
Test Design: How Do I Know What to Test?

Test Design: How Do I Know What to Test?

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3 min read
My LLM Critic Flip-Flops on Every Run. That's Fine — Because a Frozenset Decides What's Fatal.

My LLM Critic Flip-Flops on Every Run. That's Fine — Because a Frozenset Decides What's Fatal.

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7 min read
OpenEval: Why LLM Evaluation Needs a Standard Format

OpenEval: Why LLM Evaluation Needs a Standard Format

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1 min read
How do you know a passing check still works? Make it fail on purpose.

How do you know a passing check still works? Make it fail on purpose.

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5 min read
I Wrote Integration Tests for My MCP Failure Library. Here's the Pattern That Caught 3 Hidden Bugs.

I Wrote Integration Tests for My MCP Failure Library. Here's the Pattern That Caught 3 Hidden Bugs.

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3 min read
Testing Data Pipelines Like You Mean It: A pytest Crash Course for Data Engineers

Testing Data Pipelines Like You Mean It: A pytest Crash Course for Data Engineers

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18 min read
Your Agent's Memory Is a Markdown File. Let's Audit It.

Your Agent's Memory Is a Markdown File. Let's Audit It.

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6 min read
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