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563 B
563 B
ADR-002: MCP Gateway as the sole PEP
Status: Accepted.
Source: this ADR is the canonical record of this decision. For implementation and validation context, see RI/docs/AS-BUILT.md and, where applicable, the relevant contract in RI/docs/interfaces/.
Context
Where to apply enforcement.
Decision
MCP Gateway is the sole PEP; it never delegates the ALLOW/DENY decision to the LLM.
Alternatives Considered
Distributed enforcement in each MCP Server.
Consequences
Centralizes EP-05; domain servers (EP-06) do not reimplement authz.