🛡 MCP-2OWASP-MCP

Cross-server prompt injection

A second MCP server's output reaches the agent's context and steers it. Mitigation: source-tag every tool result, refuse cross-server instructions.

Live signal on this risk

10

Ideas classified into this risk

10 submitted ideas

7

#1 (top) risk for

70% of matches

5

Dominant verdict tier

ALREADY EXISTS, YOU'RE LATE

5.3

Mean difficulty

out of 10

9

Avg competitor surface per idea

tools + integrations Claude found

0

Soonest predicted kill

Nobody — it's already dead on arrival (months until obsolete)

Sample verdicts that flagged MCP-2

Mitigation pointer

A second MCP server's output reaches the agent's context and steers it. Mitigation: source-tag every tool result, refuse cross-server instructions.

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