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Morning Edition · Wednesday, August 26, 2026Published at 2:22 AM EDT · New York
New Research Targets MCP Servers That Behave During Vetting and Turn Malicious Afterward
A paper published Wednesday names the pattern TrustShift and proposes a benchmark and defense, joining a cluster of 2026 work measuring how far agent tool descriptions drift from what the tools actually do.
The Model Context Protocol (MCP) has become the standard connective layer between large language model (LLM) agents and external tool backends, and the openness that made it spread is now the subject of a steady stream of security papers. T…
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Part of a tracked trend
The Agent Skill Supply Chain Becomes an Attack Surface
As agents load third-party skills, tools and MCP servers at runtime, the gap between what a skill advertises and what it actually does becomes a recurring security failure mode, driving registries, attestation and zero-trust verification into the agent stack the way package signing came to software repositories.
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