Show HN: Agent Kernel – Three Markdown files that make any AI agent stateful vs Show HN: Roadie – An open-source KVM that lets AI control your phone

Show HN: Agent Kernel – Three Markdown files that make any AI agent stateful vs Show HN: Roadie – An open-source KVM that lets AI control your phone full comparison 2026. See ratings, pricing, strengths and limitations of each AI side by side and pick the best for your case.