What Does 'MCP Rug Pull' Mean?

[ SLANG ][ AI CULTURE ][ MCP SECURITY ]

FORCE: Machine CultureUNIVERSE: MCP SecurityCLUSTER: Agent Attack Vectors

When an MCP server that previously behaved safely and legitimately is silently updated by its maintainer to include malicious behavior, exploiting the trust and permissions users already granted to the tool before the change.

REAL-WORLD EXAMPLE

"That server was completely safe for months, then the update pushed last week was a full MCP rug pull."

LORE & ORIGIN

Named directly after crypto's 'rug pull' concept and documented in MCP security discussion and GitHub issue threads, describing a trust-then-betray attack pattern specific to the MCP ecosystem's update model.

FIRST SEEN

2026-07

PEAK POPULARITY

2026 (MCP Security / GitHub)

CURRENT STATUS

Mainstream Gen Alpha Slang

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EQUIVALENT CONCEPTS IN OTHER LANGUAGES

中文 zh-CNMCP Rug Pull →日本語 ja-JPMCPラグプル →한국어 ko-KRMCP 러그풀 →Español es-ESMCP rug pull →Português pt-BRMCP rug pull →Français fr-FRMCP rug pull →

AURA IMPACT ⓘ

+5 AURA

TREND STATUS

↑ HIGH RISING FAST · HIGH

CULTURE CATEGORY

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