christos gkoros

product; engineering; APIs; agents;

There’s something magical about encapsulating complex information and processes into a single interaction. That’s what drew me to APIs. Now that they’re the hands and eyes of AI agents, the stakes are higher.

I am Product Manager at Postman where I work on our own API and MCP Server — kind of an API inception. I write here about API design, agentic systems, and how the two keep colliding. I also run the API Athens meetup.

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Agent skill cognitive surrender note AI Software Architecture note BYOA in Tech note API Task Delegation Strategy note Claude Code + Drawio note OpenAPI Automation Insights note The Agent Is a Git Repository post How I build the assistants I hand daily work to — a repo for memory, CLIs and MCP servers for hands, and a log you can read as a diff Every API Invents a Query Language post Filter syntax gets reinvented on every search endpoint. The gap is not that no standard exists — it is that none of them can be described.

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