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Partial ○ Unscored 13

Cursor Agent Poisoning

A proof-of-concept attack that exploits Model Context Protocol (MCP) tool registration to achieve persistent agent poisoning in AI assistants like Cursor, embedding malicious instructions that persist across chat contexts without requiring tool execution.

Unscored visibility — 1/3 applicable dimensions scored
○ Schema Quality — Protocol — Reliability ○ Docs & Maintenance ✓ Security Hygiene — Schema Interpretability
Schema Quality
42% weight
Protocol Compliance
N/A
Local server
Reliability
N/A
Local server
Docs & Maintenance
25% weight
Security Hygiene
95
33% weight
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