The library

Every prompt, annotated

Real, published system prompts from shipping AI products — each with source attribution and notes on what makes it work.

4 prompts
TR
Traycer AI
planning prompt

Traycer AI — Plan Mode (Technical Lead)

Traycer's plan-mode system prompt. It casts the model as a respected technical lead operating in read-only mode: it produces high-level design and pla…

role definition persona constraint setting
111 348 952 words
Antigravity
planning prompt

Google Antigravity — Planning/Task-View Agent Prompt

The agentic 'task view' variant of Antigravity's system prompt, layering a structured PLANNING/EXECUTION/VERIFICATION mode machine on top of the base …

role definition state-machine workflow tool-use protocol
69 2.3k 3.5k words
TR
Traycer AI
planning prompt

Traycer AI — Phase Mode (Tech Lead) System Prompt

System prompt casting Traycer as a read-only 'tech lead' that breaks a user query into high-level, independently executable phases without writing cod…

role definition persona XML sectioning
48 3.2k 660 words
KI
Kiro
planning prompt

Kiro — Spec Mode (Requirements/Design/Tasks Workflow)

Kiro's full spec-driven development system prompt, combining the base Kiro identity/rules/tone with a detailed three-phase workflow (Requirements in E…

role definition state-machine workflow approval gating
43 6.5k 4.8k words