Enable CORS for browser-based auth on MCP HTTP server#55
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paulius-krutkis-dcd wants to merge 1 commit into
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Enable CORS for browser-based auth on MCP HTTP server#55paulius-krutkis-dcd wants to merge 1 commit into
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- Introduced CORS middleware in the server to handle cross-origin requests. - Created a new `cors.ts` file to define CORS options and allowed origins. - Added tests for CORS functionality, ensuring proper handling of allowed and disallowed origins. - Updated package dependencies to include `cors` and `express`.
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aurimas-angladagis-dcd
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Jun 12, 2026
ChinchillaLover9000
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Jun 12, 2026
domantas-jurkus-dcd
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Summary
Authorizationheaders to/mcp.claude.ai,anthropic.com, and local dev origins; deny unknown origins without returning 500.Test plan
npm test -- --testPathPattern=corsnpm run build && node build/server.js), then preflight:curl -sI -X OPTIONS http://localhost:3000/mcp -H "Origin: https://claude.ai" -H "Access-Control-Request-Method: POST" -H "Access-Control-Request-Headers: Authorization, Content-Type"— expect204withAccess-Control-Allow-OriginandAuthorizationin allowed headershttps://mcp.decodo.com/mcp