# The System Prompt Is The Agent's Worldview

By Rajdeep Mondal. Published 2026-04-22. 4 min read

Canonical: https://www.rajdeepmondal.com/writing/the-system-prompt-is-the-agents-worldview

Tags: Agents, Claude Code, AI Systems

> An agent is a model plus a worldview you reinstall on every turn. That worldview is the real programming, and it arrives as one briefing card. A line earns its place on that card only by changing a decision the agent makes.

Read the interactive essay: https://www.rajdeepmondal.com/writing/the-system-prompt-is-the-agents-worldview