mta-vscode

name	mta-vscode
metadata	{"author":"rhoai3-coding-demo","version":"1.0.0","platform-family":"mta","platform-baseline":"repo","ocp-baseline":"repo","skill-group":"Application Modernization"}
description	Use when using the MTA VS Code extension for identifying and resolving migration issues in the IDE. Do NOT use for CLI (use mta-cli), UI (use mta-ui), IntelliJ (use mta-intellij), or AI features (use mta-lightspeed).

MTA VS Code Extension

Use this skill to ground Migration Toolkit for Applications (MTA) 8.2 VS Code extension guidance in the official Configuring and Using the Visual Studio Code Extension for MTA guide. The extension enables in-IDE application analysis, issue identification, and guided code remediation for migration and modernization.

Source Grounding

Read references/source-capture.md before using product behavior. Official Red Hat documentation is product authority.

Key Extension Capabilities

Installation (Ch 2)

Install the MTA extension pack or MTA Core extension with a language-specific plugin from the VS Code Marketplace:

Extension	Language	Support Level
MTA Core + Java	Java	GA
Extension Pack	All languages	Developer Preview
MTA Core + C#	C# / .NET	Developer Preview
MTA Core + JavaScript	JavaScript / Node.js	Developer Preview
MTA Core + Go	Go	Developer Preview

Prerequisites: JDK 17+ (Oracle, Eclipse Temurin, or OpenJDK). macOS requires maxproc >= 2048.

Analyzer RPC Binary (Ch 3)

The extension downloads the analyzer RPC binary automatically. In restricted networks, configure the binary path manually:

• Extension settings: Analyzer Path field
• settings.json: mta-vscode-extension.analyzerPath
• Command Palette: MTA: Override Analyzer Binary

IDE Settings (Ch 4)

• Log level: controls MTA binary verbosity (default: debug)
• Analyzer path: custom binary location
• Debug: Webview: enables debug logging for Webview messages

Profile Configuration (Ch 5)

Configure analysis profiles before running analysis:

• Label selector: filter rules by source/target technology
• Profile: reusable analysis configuration
• Rules: enable default rules, add custom rules

Source or target technology must be configured before analysis.

Running Analysis (Ch 6)

Run static code analysis using the RPC server:

1. Configure analysis profile on MTA Analysis View page
2. Select profile and click Start to launch RPC server
3. Click Run Analysis

For C#/.NET analysis, requires: dotnet tools, ilspycmd, paket.

Hub-Based Analysis Profiles (Ch 7, Technology Preview)

Connect to MTA Hub for centralized profile management:

• Enable Hub and enter MTA UI URL
• Optional: skip SSL verification, enable authentication
• Profiles and custom rules downloaded to .konveyor/profiles
• Profile Sync keeps profiles updated from Hub
• LLM proxy available when administrator deploys it in cluster

Reviewing and Resolving Issues (Ch 8)

Issue severity icons:

• Mandatory: must fix for successful migration
• Optional: might need addressing during migration

Resolution workflow:

1. Right-click issue > Open Code to navigate to affected file
2. Edit code and save
3. Optional: Mark as Complete or Delete resolved issues

Supported Languages

Language	Extension	Status
Java	MTA Core (built-in)	GA
C# / .NET	C# extension	Developer Preview
JavaScript / Node.js	JavaScript extension	Developer Preview
Go	Go extension	Developer Preview

Workflow

1. Confirm the target MTA version (8.2).
2. Read references/official-doc-extraction.md for extension procedures.
3. Identify the task: installation, configuration, analysis, issue resolution, or Hub connection.
4. Follow the documented procedure; verify prerequisites.
5. Validate with references/source-capture.md boundaries.

Related Skills

• Use mta-ui for the MTA web UI.
• Use mta-cli for the MTA command-line interface.
• Use mta-intellij for the IntelliJ plugin.
• Use mta-lightspeed for Developer Lightspeed AI features.

References

• references/source-capture.md
• references/official-doc-extraction.md