Fix App Lens serialization#639
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alzimmermsft merged 4 commits intomicrosoft:mainfrom Oct 1, 2025
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Pull Request Overview
This PR fixes a serialization issue in the Azure MCP's App Lens tool when using AoT (Ahead of Time) builds. The change ensures proper JSON serialization by configuring the SignalR HubConnection with a specific type info resolver instead of relying on reflection-based serialization.
Key changes:
- Configures SignalR HubConnection with
AppLensJsonContext.Defaulttype info resolver for AoT compatibility - Adds necessary using statements for SignalR and dependency injection
joshfree
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Sep 30, 2025
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@alzimmermsft add a changelog entry for the product bug fix please |
anuchandy
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Dec 8, 2025
* Fix App Lens serialization * Add CHANGELOG entry
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What does this PR do?
Fixes #620
Fixes a serialization issue when using AoT builds of Azure MCP where App Lens would attempt to use reflection-based serialization. This is resolved by configuring
HubConnectionwith a type info resolver of the types defined in the App Lens tools.GitHub issue number?
Pre-merge Checklist
servers/Azure.Mcp.Server/CHANGELOG.mdand/orservers/Fabric.Mcp.Server/CHANGELOG.mdfor product changes (features, bug fixes, UI/UX, updated dependencies)servers/Azure.Mcp.Server/README.mdand/orservers/Fabric.Mcp.Server/README.mddocumentation/docs/azmcp-commands.mdand/or/docs/fabric-commands.mdToolDescriptionEvaluatorand obtained a score of0.4or more and a top 3 ranking for all related test prompts/docs/e2eTestPrompts.mdcrypto mining, spam, data exfiltration, etc.)/azp run mcp - pullrequest - liveto run Live Test Pipeline