Simon Willison has developed a tool to identify automated reply bots on the Bluesky platform, addressing a growing problem that has also plagued Twitter. The tool analyzes Bluesky profiles for suspicious activity, such as rapid replies to other users' posts or accounts that exclusively reply without posting original content. This investigation was aided by Opus 5.5, a model that helped generate the code for the bot checker. AI
IMPACT This tool could help improve user experience on emerging social platforms by filtering out spam and automated content.
RANK_REASON The item describes a tool developed by an individual to address a specific problem on a social media platform, with AI assistance.
- 2026 in LLMs
- Bluesky
- Claude Opus 5.5
- GPT-6 Luna
- GPT-6 Sol
- OpenAI DevDay 2026
- Opus 5.5
- Simon Willison
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