Tag: agentic browser
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Simon Willison’s Weblog: Piloting Claude for Chrome
Source URL: https://simonwillison.net/2025/Aug/26/piloting-claude-for-chrome/#atom-everything Source: Simon Willison’s Weblog Title: Piloting Claude for Chrome Feedly Summary: Piloting Claude for Chrome Two days ago I said: I strongly expect that the entire concept of an agentic browser extension is fatally flawed and cannot be built safely. Today Anthropic announced their own take on this pattern, implemented as an…
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Simon Willison’s Weblog: Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet
Source URL: https://simonwillison.net/2025/Aug/25/agentic-browser-security/#atom-everything Source: Simon Willison’s Weblog Title: Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet Feedly Summary: Agentic Browser Security: Indirect Prompt Injection in Perplexity Comet The security team from Brave took a look at Comet, the LLM-powered “agentic browser" extension from Perplexity, and unsurprisingly found security holes you can drive a truck…