MCP Governance Framework at Scale: Authentication, Scope, and Secrets Lifecycle for Enterprise Deployments

Model Context Protocol (MCP) has become a standard interface for connecting AI agents with tools, databases, and services in enterprise environments. However, its rapid adoption has outpaced governance, leading to challenges in managing authentication, access controls, credential lifecycle, and compliance auditing. Enterprises often lack standardized frameworks for overseeing how agents authenticate, what access permissions they hold, and how credentials are managed and monitored for exposure. This results in ungoverned credential sprawl and security risks. A practical MCP governance framework is proposed to address these concerns, focusing on standardizing authentication methods, implementing scope control policies, managing the secrets lifecycle, and detecting credential exposure. The framework emphasizes using OAuth 2.1 for authentication, enforcing least-privilege access, separating environments, and maintaining an agent-to-MCP registry. Additionally, it advocates for automating credential rotation, revocation processes, and continuous exposure detection, integrating these with existing non-human identity (NHI) governance frameworks. As the MCP specification evolves, centralized MCP registries and policy-as-code enforcement are becoming crucial components of enterprise security strategies.

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