System prompts
Instructions provided to a Large Language Model (LLM) to establish persona, operational boundaries, and behavioral constraints.
Applications in Agentic systems
- Sub-agents: Within claude-code, specialized AI assistants (sub-agents) use customized System prompts to handle specific task types efficiently.
- Architectural Optimization: Sub-agents address core challenges in agentic workflows, specifically:
- Configuration: Sub-agents are deployed using task-specific configurations involving specialized Tools and tailored instructions.
Related
- prompt-engineering
- 2026 04 14 Mastering Claude Code sub agents
Source Notes
- 2026-04-23: [[lab-notes/2026-04-23-Anthropics-Compute-Miscalculation-Claude-Demand-and-Strategic-Impact|Anthropic’s Compute Miscalculation: Claude Demand and Strategic Impact]]
- 2026-04-14: I Looked At Amazon After They Fired 16,000 Engineers. Their AI Broke Everything.