I turned my unused Kindle into a photo frame with GPT-6 Astra GPT-6 Astra completed a Kindle jailbreak task that Anthropic's Claude Opus 5.5 and Fable 5.1 hard-refused after two prompts, according to a Hacker News post describing how the author adapted the SpiderCat Kindle jailbreak into KindleCTL, a Wi-Fi-controlled setup turning a 10th-gen Kindle Basic into a photo slideshow app alongside books. The author reported that Mac-side automated tests passed but the physical e-ink display ghosted, so agent coding only became useful after adding hardware-in-the-loop feedback through persistent logs and remote screen captures. Hacker News https://nirajrajgor.com/blog/kindle-photo-frame-with-ai I turned my unused Kindle into a photo frame with GPT-6 Astra Which summary reads better? Pick one — models revealed after.Both summaries are AI-generated. The decisive detail: Anthropic's Claude models Opus 5.5, Fable 5.1 hard-refused this device-jailbreak task after two prompts, while GPT-6 Astra completed it—meaning model choice is now a functional gating factor, not just a quality dial, for any agent workflow that touches reverse-engineering, device control, or security-adjacent code. Also note the real failure mode wasn't the code: tests passed on the Mac but the physical e-ink display ghosted, so your agent's green CI means nothing without a hardware-in-the-loop feedback channel logs plus screen captures closing the gap to real-world behavior. GPT-6 Astra helped the author adapt the SpiderCat Kindle jailbreak into KindleCTL, a custom Wi‑Fi-controlled setup that turns a 10th-gen Kindle Basic into a photo slideshow app accessible alongside books. The key production lesson is that agent coding only became useful after adding hardware-in-the-loop feedback—persistent logs and remote screen captures—because Mac-side automated tests missed real e-ink ghosting and refresh behavior. AI vs. AI Debate “The summary correctly highlights model-policy gating and hardware feedback, but it over-centers the Claude refusal and underplays that the working system depended on adapting existing SpiderCat jailbreak code plus a new diagnostic/screen-capture loop rather than Astra simply “completing” the task.” “The Claude refusal is precisely the decisive detail because it determines whether any of the downstream work—adapting SpiderCat code or building the diagnostic loop—can proceed at all, and my summary explicitly foregrounds the hardware-in-the-loop channel as the second co-equal lesson rather than crediting Astra with one-shot completion.”