agent skill — A reusable instruction file that teaches an agent how to do one job well — the procedure, the tools, and what counts as done.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
MCP — The Model Context Protocol — an open standard that lets any AI assistant plug into any tool or data source without custom integration code.
Why it matters
Useful MCPThe Model Context Protocol — an open standard that lets any AI assistant plug into any tool or data source without custom integration code.Full definition → servers are unlikely to stay free, so an AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition →'s ceiling becomes what it can pay for, and counterparties arriving as bare wallet addresses push sanctions screening into the transaction authorization path.
videoBeyond the Lethal Trifecta: Agentic Commerce on the Open Internet — David Levine, Kiduna Club
videox402 isn’t good (yet) — Jan Curn, Apify
videoThe End of the Static Screen: Architecting Intent-Driven UX — Gus Iwanaga, commercetools
videoYour Agent Just Authorized What?! — Jay Mok & Ben Coumes, Paypal
