Persona Design

design-agent-persona Β· build

Aim

Learn to author and constrain an agent's persona, refining its voice through system prompts, to produce a tuned persona spec.

Operation
reframe
Total time
70 min
Deliverable
persona-spec

In one line

Give JARVIS a personality β€” author a system prompt, tune its voice, test its persona.

Stage run

#StageTypeAimMin
1Persona DesignarcadeStudents match three anonymised AI outputs to one fixed prompt back to the three system-prompt personas that produced them, discovering that a model's voice, hedging and refusal behaviour are set by its system message β€” same engine, different mask.
2Persona Designdossier
3Author the PersonaworkbenchLearn to specify a consistent persona β€” voice, knowledge, boundaries β€” in a system prompt, to give your penpal a stable character, in the context of writing its system-prompt.md.
4Persona SpeclarpCan you write a system prompt so tight that your agent stays in character even when a stranger tries to break it?70

Evidence artefact

Persona spec (system prompt)