System design
Learning paths
Articles
Topics
Roadmaps
Playground
Search articles, topics...
⌘K
Library
Topics
Identity and auth
Who the caller is, what they may do, and the tokens that carry it.
Path
AI engineering
Articles
Level
Foundation
Core
Senior
Staff
Design questions only
Narrow
API design
2
Security
4
MCP and protocols
1
9 pages
MCP security and auth
AI engineering · Senior · 8 min
MCP and protocols
Security
Authn vs authz
Articles · Foundation · 12 min
Security
SSO vs OIDC vs SAML
Articles · Core · 11 min
OAuth 2.0 flows
Articles · Core · 9 min
API design
Sessions vs JWTs
Articles · Core · 8 min
Access vs refresh tokens
Articles · Core · 9 min
API keys vs OAuth vs mTLS
Articles · Core · 10 min
API design
Passkeys vs passwords vs OTP
Articles · Core · 9 min
Security
Cookies vs localStorage
Articles · Core · 7 min
Security