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Enterprise-MCP-Service-Bus/docs/adr/ADR-006-no-token-passthrough.en-us.md
2026-09-14 14:54:28 -03:00

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ADR-006: Prohibition of token passthrough

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

Can the agent's token be forwarded to the backend?

Decision

No — blind token passthrough is prohibited; inbound ≠ outbound identity.

Alternatives Considered

Direct passthrough of the client's token.

Consequences

EP-07 implements exchange/service account per backend.