MCP Authorization with Dynamic Client Registration
This is a bonus post following on from my Understanding MCP Authorization three part series covering building (and understanding) an MCP HTTP based server and implementing the MCP Authorization spec (2025-06-18). In the previous series, we built the server side of the spec, leaving the client side up to the reader since obtaining OAuth clients is usually fairly opinionated in enterprise environments.
Opening excerpt (first ~120 words) tap to expand
MCP Authorization With Dynamic Client Registration Posted Jul 10, 2025 By Christian Posta 9 min read MCP Authorization With Dynamic Client Registration Contents MCP Authorization With Dynamic Client Registration This is a bonus post following on from my Understanding MCP Authorization three part series covering building (and understanding) an MCP HTTP based server and implementing the MCP Authorization spec (2025-06-18). In the previous series, we built the server side of the spec, leaving the client side up to the reader since obtaining OAuth clients is usually fairly opinionated in enterprise environments.The MCP Authorization spec actually has opinions about how MCP clients (and thus, OAuth clients) should be created.
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