MCP for agent-to-agent comms may be the riskiest protocol you’ve never heard of

October 5, 2026 · 10:26 pm 1 sources

Image: Ars Technica

Coverage

Coverage

• MCP for agent-to-agent comms may be the riskiest protocol you've never heard of
  Ars Technica · October 5, 2026 22:26
  Trust gaps in the new protocol spread malicious prompts from one agent to another.