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    Tag: OAuth 2.1

    Sep 23
    11 min read
    Model Context Protocol (MCP) Authorization Layers: Securing Tool Dispatch with OAuth2 and mTLS

    In traditional software engineering, distributed systems rely on mature security standards to establish machine identity and enforce access control. Microservices authenticate one another using mutual TLS (mTLS) to cryptographically verify hardware or container identities, while user-facing APIs delegate access using OAuth 2.0 bearer tokens. These boundaries ensure that an application component cannot invoke a backend […]