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Research2026-03-22 · source-backed
Identifies the "capability-identity gap" in MCP/A2A: no framework detects when capabilities change post-authorization. Proposes X.509 certificates with skills manifest hashes. Rust prototype achieves 97µs certificate verification detecting all 12 attack scenarios. Source
Each link below shares sources, entities, or timing with this story.
Claude Code uses MCP / Shared entity: MCP / Same source domain / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude Code uses MCP); both cover MCP; reported by the same outlet (arxiv.org).
Claude Code uses MCP / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Claude Code uses MCP); both cover MCP, Rust; overlapping topics (agent, binding).
Anthropic released MCP / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Anthropic released MCP); both cover A2A, MCP; overlapping topics (agent, framework).
CrewAI supports A2A / Shared entities / Shared topic / What happened next
Linked by a graph relationship (CrewAI supports A2A); both cover A2A, MCP; overlapping topics (agent, framework).
Anthropic released MCP / Shared entity: MCP / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Anthropic released MCP); both cover MCP; reported by the same outlet (arxiv.org).
Claude Code uses MCP / Shared entity: MCP / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude Code uses MCP); both cover MCP; reported by the same outlet (arxiv.org).
Cursor uses MCP / Shared entity: MCP / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Cursor uses MCP); both cover MCP; reported by the same outlet (arxiv.org).
Claude Code uses MCP / Shared entity: MCP / Same source domain / Shared topic / Earlier coverage
Linked by a graph relationship (Claude Code uses MCP); both cover MCP; reported by the same outlet (arxiv.org).