chore: fix MCP registry url pattern #953

Job	Run time
Tests on ubuntu-latest with node 20	1m 4s
Tests on windows-latest with node 23	2m 23s
Tests on ubuntu-latest with node 24	1m 8s
Tests on windows-latest with node 20	2m 9s
Tests on windows-latest with node 22	2m 22s
Tests on windows-latest with node 24	2m 32s
Tests on ubuntu-latest with node 22	59s
Tests on ubuntu-latest with node 23	56s
Tests on macos-latest with node 22	1m 38s
Tests on macos-latest with node 24	2m 20s
Tests on macos-latest with node 23	1m 20s
Tests on macos-latest with node 20	1m 31s
[Required] Tests passed	2s
	20m 24s

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