Show HN: Agent Citizen – Your AI agents are sitting around doing nothing vs Show HN: Agent Kernel – Three Markdown files that make any AI agent stateful

Show HN: Agent Citizen – Your AI agents are sitting around doing nothing vs Show HN: Agent Kernel – Three Markdown files that make any AI agent stateful full comparison 2026. See ratings, pricing, strengths and limitations of each AI side by side and pick the best for your case.