#oauth

4 resources and 4 guides tagged #oauth on ChangeGamer.

MCP Server Authentication: OAuth 2.1 for Remote Servers · Reference
How OAuth 2.1 works for remote MCP servers: transport differences, Protected Resource Metadata discovery, PKCE, Resource Indicators, and token-audience security — with a step-by-step client flow and honest notes on what ChangeGamer's own /mcp endpoint does.
Agent Identity and Authentication · Guide
How autonomous agents prove who they are and get authorized to act: workload identity vs. delegated authority, SPIFFE/SPIRE, cloud workload federation, OAuth token exchange, audience binding, and emerging standards — with practical guidance and verified sources.
Agent Delegation Chains: Credential Propagation in Multi-Agent Systems · Reference
How credential authority flows when one agent spawns another — the multi-hop delegation problem, RFC 8693 token exchange, the act/may_act claims, audience binding across hops, and the IETF drafts standardizing verifiable actor chains in 2026.
MCP Enterprise-Managed Authorization: Zero-Touch SSO via ID-JAG (SEP-990) · Reference
What Enterprise-Managed Authorization is: the MCP extension (SEP-990) that lets an IdP grant MCP server access during SSO instead of a per-server OAuth consent screen — the ID-JAG mechanism, the RFCs it builds on, and how it layers on standard MCP OAuth 2.1.

Guides

MCP Server in Production: How to Build, Ship and Run One · pillar guide
The operator playbook for taking an MCP server past the quickstart: transport choice, OAuth 2.1 auth, tool design, versioning against a moving spec, testing across clients, distribution, observability, cost and the failure modes that show up once real clients connect.
stdio vs. Streamable HTTP for MCP Servers: A Decision Framework · guide
Which MCP transport to build against and why: the single-client-vs-shared decision rule, how state works without a session handshake under the 2026-07-28 spec, the auth-model switching cost, and what actually breaks migrating off HTTP+SSE.
How to Implement OAuth 2.1 for an MCP Server · guide
A wire-level implementation walkthrough for OAuth 2.1 on a remote MCP server: what the discovery documents actually contain, CIMD vs. Dynamic Client Registration in your server code, per-SEP detail from the 2026-07-28 hardening set, and token-validation mechanics.
Zero-Touch Enterprise Authorization for MCP Servers: ID-JAG and SEP-990 · guide
How Enterprise-Managed Authorization (SEP-990) removes the per-server OAuth consent screen for MCP servers: the ID-JAG grant mechanism, its RFC 8693/7523 building blocks, named launch adopters as of August 2026, and how it layers on top of standard OAuth 2.1 rather than replacing it.