Matt Holloway
a94f95b43f
* enhance client support checks for MCP Apps UI rendering * update dependencies and enhance MCP Apps UI support handling * chore: regenerate license files Auto-generated by license-check workflow * retrigger CI * update test * introduce constants for client names and remove wrong ide name for mcp apps support --------- Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
package github
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import (
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"context"
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ghcontext "github.com/github/github-mcp-server/pkg/context"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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// mcpAppsExtensionKey is the capability extension key that clients use to
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// advertise MCP Apps UI support.
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const mcpAppsExtensionKey = "io.modelcontextprotocol/ui"
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// clientSupportsUI reports whether the MCP client that sent this request
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// supports MCP Apps UI rendering.
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// It checks the context first (set by HTTP/stateless servers from stored
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// session capabilities), then falls back to the go-sdk Session (for stdio).
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func clientSupportsUI(ctx context.Context, req *mcp.CallToolRequest) bool {
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// Check context first (works for HTTP/stateless servers)
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if supported, ok := ghcontext.HasUISupport(ctx); ok {
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return supported
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}
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// Fall back to go-sdk session (works for stdio/stateful servers)
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if req != nil && req.Session != nil {
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params := req.Session.InitializeParams()
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if params != nil && params.Capabilities != nil {
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_, hasUI := params.Capabilities.Extensions[mcpAppsExtensionKey]
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return hasUI
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}
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}
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return false
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}
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