Field notes/25 articles

From the blog

Engineering write-ups, AI playbooks and the odd war story from the DivIni team.

Artificial Intelligence/13 min read

Model Context Protocol (MCP) – A Deep Dive

MCP gives an AI agent one standard way to discover and call the tools it needs, instead of a custom…

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Artificial Intelligence/6 min read

Claude Skills – Creating and Sharing Skills

A Claude Skill is a folder of instructions, scripts and reference files that teaches Claude a repeatable…

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Artificial Intelligence/12 min read

Agentic AI

Large language models can generate code and content, but they cannot decide what to do next or act on…

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Artificial Intelligence/11 min read

Prompt Engineering

Generative AI tools give accurate, usable results only when the prompt tells them clearly what is needed…

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Artificial Intelligence/8 min read

Gen AI – Retrieval Augmented Generation (RAG)

Large language models only know their training data, so they struggle with recent events and with a…

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Financial Engineering/3 min read

Implementing FIX Protocol

The second post in our FIX series moves from how the protocol works to code. We list FIX libraries for…

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Financial Engineering/10 min read

FIX – The Fast and Efficient Protocol for Financial Markets

Before FIX, traders and brokers placed orders by phone or through slow custom software…

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Financial Engineering/4 min read

Valuation of Options Using Binomial Model

The binomial model values an option by letting the stock price move up or down each period and…

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Financial Engineering/3 min read

Valuation of options using Binomial Model with Example

We apply the binomial model to one example: a $500 stock with a $510 exercise price, 10% volatility…

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