Agents Without Code: Skills, YAML, and Filesystems Replaced Python — Philipp Schmid, Google DeepMind
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youtube.com
Author
AI Engineer
Date
Context
A hosted 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 → service can move orchestration out of an application's own code. This conference presentation describes three versions of a pull-request review agent, progressing from a handwritten control loop to a hosted sandboxAn isolated environment where AI-generated code or agent actions run without being able to touch anything real.Full definition → where the provider handles tool routing, session state, and management of the model's working context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition →.
Developers still supply instructions, reusable procedures, and evaluations. The design changes which machinery they maintain: operational infrastructure moves to the service, while the application's rules and tests remain their responsibility. That is the concrete meaning of the presentation's shrinking codebase.
Terms in this piece · Glossary
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.
sandbox — An isolated environment where AI-generated code or agent actions run without being able to touch anything real.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
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