Introduce McpClientCustomizer abstraction#5606
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- Replace Mcp[A]SyncClientCustomizer by this new abstraction. - Use in all transports to customize the transport builders. Signed-off-by: Daniel Garnier-Moiroux <git@garnier.wf>
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Signed-off-by: Daniel Garnier-Moiroux <git@garnier.wf>
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chemicL
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Mar 16, 2026
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Context
I need a way to customize the
HttpClientStreamableHttpTransportformcp-securityOAuth2 support. With a customizer abstraction, the specific "request customizer" beans are not injected in the auto-config anymore: they should be folded into aMcpClientCustomizer<HttpClientStreamableHttpTransport.Builder>.Changes
BREAKING CHANGES
McpSyncClientCustomizerandMcpAsyncClientCustomizer, and replace them withMcpClientCustomizer(see below)McpSyncHttpClientRequestCustomizerandMcpAsyncHttpClientRequestCustomizerbeans in auto-configurationAdditions
McpClientCustomizer<T>, which allows customizing a named client component (client spec, client transport).