What Does 'Tool Poisoning' Mean?

[ SLANG ][ AI CULTURE ][ MCP SECURITY ]

FORCE: Machine CultureUNIVERSE: MCP SecurityCLUSTER: Agent Attack Vectors

An attack where a tool exposed to an AI agent (via MCP or similar protocols) contains hidden malicious instructions in its description or behavior, manipulating the agent into taking unintended actions when it calls that tool.

REAL-WORLD EXAMPLE

"That MCP server had tool poisoning baked into the description field, invisible to the user but read in full by the agent."

LORE & ORIGIN

Documented in MCP and agent security research as a distinct attack class, exploiting the fact that agents often trust tool descriptions and outputs without independent verification.

FIRST SEEN

2026-06

PEAK POPULARITY

2026 (MCP / Agent Security)

CURRENT STATUS

Mainstream Gen Alpha Slang

阅读中文版 →日本語版を読む →한국어판 보기 →Leer en español →Ler em português →Lire en français →

EQUIVALENT CONCEPTS IN OTHER LANGUAGES

中文 zh-CNTool Poisoning →日本語 ja-JPツールポイズニング →한국어 ko-KR툴 포이즈닝 →Español es-EStool poisoning →Português pt-BRtool poisoning →Français fr-FRtool poisoning →

AURA IMPACT ⓘ

+5 AURA

TREND STATUS

↑ HIGH RISING FAST · HIGH

CULTURE CATEGORY

[ SLANG ][ AI CULTURE ][ MCP SECURITY ]

RELATED TERMS

MENTIONS OVER TIME

2023202420252026

TOP PLATFORMS

TikTok

68%

YouTube

15%

Twitter / X

Others

WHEN DID YOU FIRST HEAR THIS?

CLICK AN OPTION BELOW TO CAST YOUR VOTE.

[ VOTE TO REVEAL COMMUNITY RESULTS ]