Verified65% confidenceFactExact time
The MCP specification recommends using OAuth 2.1 to protect remote Servers.
3
Sources
65%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMCP's authentication and authorization capabilities (OAuth support for remote servers) are still immature and are the biggest obstacle to enterprise deployment.78% similarUnverifiedThe MCP authorization specification in the 2025-06-18 revision requires implementing OAuth 2.1 (draft-ietf-oauth-v2-1-13), RFC 9728 protected resource metadata, and RFC 8414 authorization server metadata, and achieves audience binding through RFC 8707.78% similarPartially VerifiedMCP对外公网服务支持基于OAuth 2.1授权框架和JWT的Token认证机制77% similarUnverifiedBoth OAuth and OpenID Connect assume that the MCP client has already been registered with the server or authorization server.77% similarVerifiedMCP's permission model draws on the OAuth 2.0 authorization code flow, requiring explicit user authorization for tool invocation.77% similar
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