Reduce OAuth callback ports from 6 to 3 for better port allocation#220
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Drop the duplicate digit-permutation ports (13163, 31316, 16313) and keep only 13316, 31613, 16133 in the hosted CIMD's redirect_uris and the matching MCPC_OAUTH_CALLBACK_PORTS list. https://claude.ai/code/session_01MBkeTp3rJeBNYqycYLKcsq
Adds 4 unit tests that verify MCPC_OAUTH_CALLBACK_PORTS and the redirect_uris in client-metadata.json stay in sync: every port has a matching loopback URI, every URI maps back to a port, the lists have the same length, and ports are unique. https://claude.ai/code/session_01MBkeTp3rJeBNYqycYLKcsq
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Summary
This PR reduces the number of OAuth callback ports used by the MCPC client from 6 to 3, improving port allocation efficiency while maintaining non-contiguous spacing to prevent a single process from claiming all available ports.
Changes
OAuth callback ports: Reduced from
[13316, 13163, 31316, 31613, 16133, 16313]to[13316, 31613, 16133]Client metadata: Updated
redirect_urisinclient-metadata.jsonto match the new port listDocumentation: Updated CHANGELOG.md to reflect the port reduction from 6 to 3
Implementation Details
The change simplifies the OAuth callback port configuration while maintaining the original design principle of using non-contiguous ports to minimize the likelihood of a single unrelated process claiming all available callback ports. This reduces resource overhead without compromising the robustness of the OAuth flow.
https://claude.ai/code/session_01MBkeTp3rJeBNYqycYLKcsq