Add CSP and CORS section to patterns docs #415
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@modelcontextprotocol/ext-apps
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Adds a new section to the patterns guide explaining how to configure Content Security Policy and CORS for MCP Apps that make network requests: - CSP via `_meta.ui.csp` controls browser-side permissions (`connectDomains`, `resourceDomains`) - CORS via `_meta.ui.domain` provides a stable origin for API servers to allowlist Includes a type-checked example showing `computeAppDomainForClaude()` helper that hashes an MCP server URL to create a stable `*.claudemcpcontent.com` subdomain. Also adds `@see` links to `McpUiResourceMeta` and `McpUiResourceCsp` in `registerAppResource` JSDoc. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Adds a new section to the patterns guide explaining how to configure Content Security Policy and CORS for MCP Apps that make network requests:
_meta.ui.cspcontrols browser-side permissions (connectDomains,resourceDomains)_meta.ui.domainprovides a stable origin for API servers to allowlistIncludes a type-checked example showing
computeAppDomainForClaude()helper that hashes an MCP server URL to create a stable*.claudemcpcontent.comsubdomain. Also adds@seelinks toMcpUiResourceMetaandMcpUiResourceCspinregisterAppResourceJSDoc.