Claude Warns Users About Prompt Injection Risks in Tool-Recommendation Prompts

Beneficial-Theory339 · reddit · 2026-09-09

A Reddit user found that a seemingly innocuous prompt—asking Claude to figure out which tools they use daily, connect them, and suggest ways to leverage that knowledge—triggered an official warning: "Malicious conversation content could trick Claude into attempting harmful actions or sharing your data."

The warning highlights the prompt injection surface created by prompts that invite the model to act on user context and connected tools, sparking discussion about where the safety boundary should sit for personalization-style prompts.

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