Marek Skopowski (@flashlabs)

Your LLM Is Not Deterministic

Run the same report twice and the second result may reorder sections, rename a heading, or round a number differently. Add more instructions and the prompt starts looking like a brittle program writte

4Sep 26 · 2 min readblog.skopow.ski

Frontmatter FTW: How to Make Agent Skills Discoverable

If your AI agent loads 30 complete Markdown skill files directly into its system prompt, you're burning 40,000 tokens of input budget before the user even types a single word. Worse, drowning the mode

Aug 1 · 2 min readblog.skopow.ski

Stop Using Full OAuth Handshakes for Internal Microservice Auth

OAuth 2.0 was designed to solve a specific problem: delegating access to third-party applications without sharing credentials over public networks. Somehow, over the last decade, teams started blindly

2Jul 25 · 3 min readblog.skopow.ski

MCP vs ACP: Clarifying the Protocol Layer in the Agentic Era

The rapid evolution of the AI developer space has shifted our focus from single-turn propmpts to autonomous, multi-agent workflows. Building a system that scans code, writes a PR, runs tests, and depl

Jun 27 · 6 min readblog.skopow.ski

A Good Agent Skill Is a Contract, Not a Prompt

When people start using AI coding agents seriously, they usually make the same mistake: every time the agent does something wrong, they add another instruction. One more rule, one more exception, one

May 2 · 7 min readblog.skopow.ski

Marek Skopowski

About

Available for

Marek Skopowski's blogs

Your LLM Is Not Deterministic

Frontmatter FTW: How to Make Agent Skills Discoverable

Stop Using Full OAuth Handshakes for Internal Microservice Auth

MCP vs ACP: Clarifying the Protocol Layer in the Agentic Era

A Good Agent Skill Is a Contract, Not a Prompt

Marek Skopowski

About

Available for

Marek Skopowski's blogs

Your LLM Is Not Deterministic

Frontmatter FTW: How to Make Agent Skills Discoverable

Stop Using Full OAuth Handshakes for Internal Microservice Auth

MCP vs ACP: Clarifying the Protocol Layer in the Agentic Era

A Good Agent Skill Is a Contract, Not a Prompt

Marek Skopowski

About

Available for

Marek Skopowski's blogs

Your LLM Is Not Deterministic

Frontmatter FTW: How to Make Agent Skills Discoverable

Stop Using Full OAuth Handshakes for Internal Microservice Auth

MCP vs ACP: Clarifying the Protocol Layer in the Agentic Era

A Good Agent Skill Is a Contract, Not a Prompt

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Marek Skopowski

About

Available for

Marek Skopowski's blogs

Your LLM Is Not Deterministic

Frontmatter FTW: How to Make Agent Skills Discoverable

Stop Using Full OAuth Handshakes for Internal Microservice Auth

MCP vs ACP: Clarifying the Protocol Layer in the Agentic Era

A Good Agent Skill Is a Contract, Not a Prompt