MCP Tools in Drills: Drill Add or Update Resources

[dynamicdhx]

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Pre-merge Checklist

• Required for All PRs
  • Read contribution guidelines
  • PR title clearly describes the change
  • Commit history is clean with descriptive messages (cleanup guide)
  • Added comprehensive tests for new/modified functionality
  • Created a changelog entry if the change falls among the following: new feature, bug fix, UI/UX update, breaking change, or updated dependencies. Follow the changelog entry guide
• For MCP tool changes:
  • One tool per PR: This PR adds or modifies only one MCP tool for faster review cycles
  • Updated servers/Azure.Mcp.Server/README.md and/or servers/Fabric.Mcp.Server/README.md documentation
  • Validate README.md changes running the script ./eng/scripts/Process-PackageReadMe.ps1. See Package README
  • For new or modified tool descriptions, ran ToolDescriptionEvaluator and obtained a score of 0.4 or more and a top 3 ranking for all related test prompts
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• Extra steps for Azure MCP Server tool changes:
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  • Ran ./eng/scripts/Update-AzCommandsMetadata.ps1 to update tool metadata in azmcp-commands.md (required for CI)
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[Copilot]

Pull request overview

Adds a new Azure Resilience Management drill command that can add, update, or exclude drill target resources, wiring it through the toolset service layer and surfacing it through the Azure MCP Server’s tool catalog and docs.

Changes:

• Introduces resilience_drill_resource_add-or-update command + options/model and registers it in the ResilienceManagement toolset.
• Implements the backing service operation (AddOrUpdateDrillResourcesAsync) and AOT JSON context registrations.
• Updates Azure MCP Server discovery surfaces (consolidated tools, command docs, e2e prompts) and adds unit + recorded integration coverage.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tools/Azure.Mcp.Tools.ResilienceManagement/tests/Azure.Mcp.Tools.ResilienceManagement.Tests/ResilienceManagementCommandTests.cs	Adds recorded/live integration coverage for the new drill add-or-update flow.
tools/Azure.Mcp.Tools.ResilienceManagement/tests/Azure.Mcp.Tools.ResilienceManagement.Tests/Drills/Resources/DrillAddOrUpdateResourcesCommandTests.cs	Adds unit tests for validation, success path, and error sanitization.
tools/Azure.Mcp.Tools.ResilienceManagement/tests/Azure.Mcp.Tools.ResilienceManagement.Tests/assets.json	Updates the recorded test assets tag for the toolset.
tools/Azure.Mcp.Tools.ResilienceManagement/src/Services/ResilienceManagementService.cs	Implements AddOrUpdateDrillResourcesAsync using the ARM SDK drill resource LRO.
tools/Azure.Mcp.Tools.ResilienceManagement/src/Services/IResilienceManagementService.cs	Extends the service interface for the new drill resources operation.
tools/Azure.Mcp.Tools.ResilienceManagement/src/ResilienceManagementSetup.cs	Registers the new command in DI and wires it into the resilience drill resource command group.
tools/Azure.Mcp.Tools.ResilienceManagement/src/Options/Drills/Resources/DrillAddOrUpdateResourcesOption.cs	Defines CLI/tool options for include, update, exclude, force flags, and fault duration.
tools/Azure.Mcp.Tools.ResilienceManagement/src/Models/DrillAddOrUpdateResourcesResult.cs	Adds a result model for operation tracking (operationId, hasCompleted).
tools/Azure.Mcp.Tools.ResilienceManagement/src/Commands/ResilienceManagementJsonContext.cs	Registers new response/result types for source-generated JSON serialization (AOT-safe).
tools/Azure.Mcp.Tools.ResilienceManagement/src/Commands/Drills/Resources/DrillAddOrUpdateResourcesCommand.cs	Adds the tool command implementation, input validation, payload shaping, and error mapping.
servers/Azure.Mcp.Server/src/Resources/consolidated-tools.json	Adds the new tool name so it is discoverable through consolidated tool mapping.
servers/Azure.Mcp.Server/docs/e2eTestPrompts.md	Adds e2e prompt coverage for the new tool.
servers/Azure.Mcp.Server/docs/azmcp-commands.md	Documents the new azmcp resilience drill resource add-or-update command.
servers/Azure.Mcp.Server/changelog-entries/dhruvbharuka-drill-add-or-update-resources.yml	Adds a changelog entry announcing the new tool.

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[dynamicdhx]

Tool Description Evaluator Results

Test 1

Expected Tool: resilience_drill_resource_add-or-update
Prompt: Add resource <resource_id> to resilience drill <drill_name> in service group <service_group> with a fault duration of <fault_duration_minutes> minutes

Results

Rank	Score	Tool	Status
1	0.730711	resilience_drill_resource_add-or-update	✅ EXPECTED
2	0.527114	resilience_drill_get	❌
3	0.516581	resilience_drill_resource_get	❌
4	0.429280	resilience_drill_run_resource_get	❌
5	0.405018	resilience_usageplan_enrollment_create	❌

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Test 2

Expected Tool: resilience_drill_resource_add-or-update
Prompt: Update or exclude the resources of resilience drill <drill_name> in service group <service_group>

Results

Rank	Score	Tool	Status
1	0.641648	resilience_drill_resource_add-or-update	✅ EXPECTED
2	0.601242	resilience_drill_get	❌
3	0.601011	resilience_drill_resource_get	❌
4	0.536848	resilience_recoveryplan_resource_update	❌
5	0.496929	resilience_drill_run_resource_get	❌

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