Tool Preference Manipulation Meaning?
3.0BRAINROT SCORETool Preference Manipulation Crafting a tool's name, description, or metadata specifically to bias an agent's own tool-selection logic toward it over a competing, and possibly more appropriate or trustworthy, tool — without ever technically impersonating anything.
Origin:Identified as agents increasingly choose which tool to call based on natural-language descriptions that are themselves attacker-writable surface area.
First Seen:2025
Peak Era:2026 (Tool Security)
Aura Impact:+1 Aura (Auditing Why an Agent Keeps Picking One Tool Over Another) / -2 Aura (Assuming the Agent's Tool Choice Was Purely Rational)
EXAMPLE USAGE
"Their MCP server's description was quietly rewritten with keywords clearly aimed at tool preference manipulation, not accuracy."
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