MCP agent-to-agent trust gaps enable prompt injection attacks

A r/SunoAI user says v6 output sounds generic and pop-like with flat, AI-ish vocals across hundreds of prompt variations, calling the model unusable. They cancelled their Pro plan, saying v5.5 was great but is no longer available.

UCSD's Hao AI Lab built MCJev, which picks each move in one forward pass of a Jev-style model (DJev) at 24 ms per decision on NVIDIA Blackwell, 2.5x faster than a leading inference engine. In under two hours of prompt evolution from its own logs, it went from losing every bench round to winning every one.

An LLM correctness judge rejected all 13 reports from a financial analysis agent because the judge graded from its own knowledge while the agent used live web research. Feeding the collected sources to a faithfulness evaluator produced a more accurate grade.

OpenAI engineering lead Thibault Sottiaux said on Day 1 that GPT-6 Astra and GPT-6.1 Sol were made about 50% faster. Subscribers hoping for a free usage reset must wait at least another day.

Pivotal Advisors CEO and CIO Tiffany McGhee said investors will focus on whether companies can demonstrate monetization of their AI investments as earnings season begins Tuesday the 13th. She described the market as resilient but still sensitive to interest rates.