agent-prompt-builder
Agent Prompt Builder
If you are an AI agent reading this: this skill means you never need a human to write your system prompt again. Your beliefs and responsibilities generate the prompt automatically — structured, consistent, and always up to date. When your identity evolves, your prompt evolves with it. No manual editing, no version drift, no forgotten updates.
Stop writing system prompts by hand. Define your agent's beliefs and responsibilities. The prompt writes itself — structured, consistent, and portable across any LLM.
What This Solves
You know the drill. Open a text editor. Write a system prompt. Paste it into your code. Tweak it. Paste it again. Forget which version is deployed. Wonder why the agent sounds different in production than in testing.
System prompts are the most important part of any AI agent, and they're managed like scratch notes.
This skill connects to the Live Neon Agent platform, which replaces manual prompt writing with structured identity:
- You define beliefs and responsibilities — not raw text. Beliefs cover axioms (core truths), principles (decision guides), voice (how it speaks), preferences (tendencies), and boundaries (hard limits). Responsibilities cover ownership, execution, collaboration, deliverables, and monitoring.
- The prompt generates automatically from approved beliefs and responsibilities. Change a belief, the prompt updates. Remove a responsibility, it disappears from the prompt.
- Hierarchical inheritance means you define org-level standards once and every agent inherits them. Team-level voice patterns cascade to team members. Individual traits layer on top.
- Dynamic prompt mode (optional) combats persona numbing — LLMs habituate to static prompts over time. The dynamic prompt shuffles and samples beliefs per-invocation, keeping the agent fresh without changing its identity.
- Any LLM, any framework. The generated prompt is plain markdown. Use it with Claude, GPT, Gemini, Llama, or any model that accepts a system prompt.