Christian Posta 7/29/2025

Implementing MCP Dynamic Client Registration With SPIFFE and Keycloak

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This technical article details the implementation of MCP Dynamic Client Registration (DCR) using SPIFFE identities and Keycloak. It discusses the security limitations of anonymous DCR in enterprise settings and explores alternatives like Initial Access Tokens and Software Statements. The focus is on leveraging SPIFFE Verifiable Identity Documents (SVIDs) as cryptographically signed software statements to enable secure, automated client registration without static secrets.

Implementing MCP Dynamic Client Registration With SPIFFE and Keycloak

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