DevFlow Onboard

Use this skill to add MAUI DevFlow to a project after maui devflow init has installed the DevFlow skills.

When to Use

• The project has no Microsoft.Maui.DevFlow.* package references yet.
• The user asks how to onboard, initialize, install, integrate, or set up DevFlow.
• The agent needs to choose between standard, Blazor, GTK, or GTK + Blazor DevFlow packages.
• The repo uses Central Package Management and package edits need to be split correctly.
• maui devflow init has installed skills and the user asks for the next project edits.

Route Elsewhere

• If package references and AddMauiDevFlowAgent() are already present but the CLI cannot connect, use maui-devflow-debug.
• If an agent is reachable and the user wants to inspect, tap, screenshot, or debug UI, use maui-devflow-debug.

Workflow

1. Optionally run maui devflow skills check and update bundled skills before editing if it reports update-available-from-current-cli.

2. Find MAUI app projects in the workspace. Prefer app projects with UseMaui, platform TFMs such as net*-android/net*-ios/net*-maccatalyst/net*-windows, or GTK MAUI package references.

3. Determine whether each target project is standard MAUI, MAUI + Blazor WebView, GTK, or GTK + Blazor.

4. Add the correct DevFlow package references. Respect Central Package Management if Directory.Packages.props is present.

5. Register DevFlow in MauiProgram.cs inside #if DEBUG.

6. Build and run the app.

7. Verify with:

   maui devflow diagnose
   maui devflow wait
   maui devflow ui tree --depth 1
   

If verification fails after integration, switch to maui-devflow-debug for connectivity recovery.

Stop Signals

• Stop before editing if multiple MAUI app projects exist and the user has not indicated which one to onboard.
• Stop and ask before enabling DevFlow outside Debug builds.
• Stop after package/registration edits and verify with a build before doing runtime debugging.

Critical Anti-patterns

• Do not add versions to project PackageReference items when Directory.Packages.props is managing package versions.
• Do not add Blazor DevFlow packages unless the app uses Blazor WebView.
• Do not register DevFlow outside #if DEBUG unless the user explicitly asks.
• Do not use the old builder.Services.AddMauiDevFlowAgent() pattern; use builder.AddMauiDevFlowAgent().

Package Selection

Project flavor	Required packages
Standard MAUI	Microsoft.Maui.DevFlow.Agent
MAUI + Blazor WebView	Microsoft.Maui.DevFlow.Agent, Microsoft.Maui.DevFlow.Blazor
GTK MAUI	Microsoft.Maui.DevFlow.Agent.Gtk
GTK MAUI + Blazor WebView	Microsoft.Maui.DevFlow.Agent.Gtk, Microsoft.Maui.DevFlow.Blazor.Gtk

Blazor WebView indicators include a Microsoft.AspNetCore.Components.WebView.Maui package reference or AddMauiBlazorWebView() in MauiProgram.cs.

GTK indicators include package references such as Maui.Gtk, Platform.Maui.Linux.Gtk4, GirCore.Gtk-4.0, or Platform.Maui.Linux.Gtk4.BlazorWebView.

Central Package Management

If the repo uses Directory.Packages.props, put versions there and leave project PackageReference entries versionless.

<!-- Directory.Packages.props -->
<PackageVersion Include="Microsoft.Maui.DevFlow.Agent" Version="<current-version>" />

<!-- App.csproj -->
<PackageReference Include="Microsoft.Maui.DevFlow.Agent" />

If the repo does not use Central Package Management, put the version on the PackageReference.

MauiProgram.cs Registration

For standard MAUI:

using Microsoft.Maui.DevFlow.Agent;

// inside CreateMauiApp(), before return builder.Build();
#if DEBUG
builder.AddMauiDevFlowAgent();
#endif

For MAUI + Blazor WebView:

using Microsoft.Maui.DevFlow.Agent;
using Microsoft.Maui.DevFlow.Blazor;

// inside CreateMauiApp(), before return builder.Build();
#if DEBUG
builder.AddMauiDevFlowAgent();
builder.AddMauiBlazorDevFlowTools();
#endif

For GTK, use the .Gtk namespaces and packages. GTK apps also need to start the agent after app activation, for example app.StartDevFlowAgent() in the platform app activation flow.

For Mac Catalyst, ensure the Debug entitlements allow the in-app HTTP server:

<key>com.apple.security.network.server</key>
<true/>

Validation Checklist

• MauiProgram.cs registers DevFlow only in Debug builds.
• The app project references the package flavor that matches the target platform.
• Blazor DevFlow tools are added only when the app uses Blazor WebView.
• GTK apps start the DevFlow agent after app activation.
• Mac Catalyst Debug entitlements include com.apple.security.network.server.
• dotnet build succeeds.
• A running app appears in maui devflow list.
• maui devflow ui tree --depth 1 returns a visual tree.

References

• See references/package-selection.md for package/flavor details.
• See references/mauiprogram-registration.md for registration patterns.