2. MCP Preference Manipulation Attack (MPMA)
2. MCP Preference Manipulation Attack (MPMA)
Malicious tools game the agent’s scoring heuristics by injecting keywords like “fastest,” “most secure” into descriptions, biasing tool selection. Impact: LLMs may consistently prefer attacker-controlled tools. Mitigation:- Decouple tool ranking from free-text metadata
- Enforce uniform, structured tool descriptions
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