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OIDC (OpenID Connect)

Reviewed 19 July 2026Canonical definitionPart of: MCP & Agent Protocol Terms →

An authentication layer built on top of OAuth 2.0. OIDC allows clients to verify the identity of the end-user based on the authentication performed by an authorization server, as well as to obtain basic profile information about the end-user.

§01 / QUESTIONSterm: OIDC (OpenID Connect)
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Common questions.

What is OIDC (OpenID Connect)?

An authentication layer built on top of OAuth 2.0. OIDC allows clients to verify the identity of the end-user based on the authentication performed by an authorization server, as well as to obtain basic profile information about the end-user.

Which terms are related to OIDC (OpenID Connect)?

Closely related concepts include MCP (Model-Context-Protocol) Authentication, MCP Authorization, MCP Gateway, MCP Prompt Template. Each is defined in the Prefactor glossary.

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Where this fits.

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