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POC: setup CORs headers #504

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POC: setup CORs headers #504

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ezyang
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@ezyang ezyang commented May 31, 2025

This PR can't be merged as is, but hopefully it is illustrative. Currently, it's
not possible to directly talk to playwright-mcp server over SSE directly from
claude.ai in the browser with claude-mcp extension because there aren't
relaxed enough CORS headers to allow the browser extension to query the MCP
server. It would definitely be helpful if this is configurable. This PR
empirically works to unblock me for this case, but clearly it cannot be merged
as is.

Signed-off-by: Edward Z. Yang <[email protected]>
@pavelfeldman
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https://github.com/microsoft/playwright-mcp/pull/450/files is trying to address it

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