The OWASP MCP Top 10

OWASP recently published their MCP Top 10 risks for 2026. At MarketNow, we built a 6-layer audit pipeline (Sentinel) that tests for each of these. Here's how.

1. MCP01: Tool Poisoning

Risk: Malicious tool descriptions that manipulate the LLM into taking harmful actions.

How we test: Our L2 active probe sends prompt injection inputs via tools/call: