diff --git a/Sources/EffemKit/OAuth/EffemOAuth.swift b/Sources/EffemKit/OAuth/EffemOAuth.swift
new file mode 100644
index 0000000..b2d0aa3
--- /dev/null
+++ b/Sources/EffemKit/OAuth/EffemOAuth.swift
@@ -0,0 +1,31 @@
+import Foundation
+@_exported import CoreATProtocol
+
+// MARK: - Re-export OAuth types from CoreATProtocol
+
+/// Re-export ATProtoOAuth as EffemOAuth for Effem-specific usage.
+public typealias EffemOAuth = ATProtoOAuth
+
+/// Re-export OAuth configuration.
+public typealias EffemOAuthConfig = ATProtoOAuthConfig
+
+/// Re-export OAuth storage.
+public typealias EffemAuthStorage = ATProtoAuthStorage
+
+/// Re-export OAuth result.
+public typealias EffemAuthResult = ATProtoAuthResult
+
+/// Re-export OAuth errors.
+public typealias EffemOAuthError = ATProtoOAuthError
+
+/// Re-export identity errors.
+public typealias EffemIdentityError = IdentityError
+
+/// Re-export user authenticator type.
+public typealias EffemUserAuthenticator = UserAuthenticator
+
+// MARK: - Re-export OAuthenticator types (already re-exported from CoreATProtocol)
+// Login, Token, and LoginStorage are already available via CoreATProtocol
+
+// MARK: - Re-export ErrorMessage
+public typealias EffemErrorMessage = ErrorMessage