Bounded answer
For enterprise MCP gateway, bind a governed tool invocation to a verified principal, credential fingerprint, tenant or workspace, endpoint, and policy audience. Recompute the binding at use time rather than trusting a display name or caller assertion.
Input contract
What must be fixed first
Principal and tenant identifiers
Credential fingerprint and issuer
Endpoint identity
Audience and policy version
Procedure
Work the decision in order
- 1
Authenticate the credential through its issuer.
- 2
Resolve the principal and tenant relationship.
- 3
Verify endpoint ownership or pinning.
- 4
Bind the audience and requested operation.
- 5
Emit a non-secret identity-binding fingerprint.
Expected outputs
- Bound identity tuple
- Non-reversible fingerprint
- Refusal reason when any edge is unproven
Refuse when
- Display name substitutes for a verified identifier.
- Credential, tenant, and endpoint do not share one authority chain.
- The operation targets an audience outside the credential scope.
- A manifest entry is discovery, not authority to invoke a tool.
Questions this guide answers
What is the minimum safe identity binding for an enterprise MCP gateway?
For enterprise MCP gateway, bind a governed tool invocation to a verified principal, credential fingerprint, tenant or workspace, endpoint, and policy audience. Recompute the binding at use time rather than trusting a display name or caller assertion.
Which identity fields must remain bound for an enterprise MCP gateway?
Preserve tenant, agent, credential, tool, and endpoint; refuse the operation when any edge is missing or belongs to another lifecycle.
What should happen on an exact replay?
Return the original bounded decision or result without consuming quota, delivering, or acknowledging a second time.
What role does the linked book play?
It contributes a conceptual framing for boundaries, resilience, or governance. It is not evidence that the technical control exists or works.
What does this guide not establish about an enterprise MCP gateway?
A manifest entry is discovery, not authority to invoke a tool.
Limits
- A manifest entry is discovery, not authority to invoke a tool.
- The linked book supplies a conceptual lens only; the operational contract and implementation remain the authority for machine behavior.
- This guide does not authorize production mutation, payment, deployment, or access to a private evidence corpus.