Agent Automation

Start with the skill. Add the facade or MCP route only when the agent also needs to execute structured Editor actions.

Copy the whole source folder so that SKILL.md and references/action-contract.md stay together:

Assets/RoundedRectangle/AgentSkill/rounded-rectangle-unity/

If the destination already exists, inspect it before replacing it. The package does not create or overwrite project-level agent configuration.

# Rounded Rectangle

          - Use the `rounded-rectangle-unity` skill for Rounded Rectangle asset operations.
          - Inspect the visible owner before editing.
          - Do not save the scene unless the user asks.
          - Validate the result and report whether the scene still has unsaved changes.

1. State the visible result and the target object.
2. Inspect the target and identify its visible owner.
3. Choose World Mesh, Canvas mesh UI, or Canvas SDF.
4. Dry-run broad or ambiguous changes.
5. Apply one bounded change with validation enabled.
6. Inspect the real Scene or Game view.
7. Report the result and whether the scene still has unsaved changes.

For Canvas work, run the read-only layout analysis before visual review. A clean layout report does not replace checking the rendered result.

using RoundedRectangle;
using UnityEditor;
using UnityEngine;

public static class RoundedRectangleInspectExample
{
    [MenuItem("Tools/My Project/Inspect Selected Rounded Rectangle")]
    public static void InspectSelected()
    {
        if (Selection.activeGameObject == null)
        {
            Debug.Log("Select a Rounded Rectangle GameObject first.");
            return;
        }

        var result = RoundedRectangleAgentFacade.Execute(
            new RoundedRectangleAgentRequest
            {
                action = "inspect",
                targetInstanceId = Selection.activeGameObject.GetInstanceID()
            });

        if (result.success)
            Debug.Log(JsonUtility.ToJson(result, true));
        else
            Debug.LogWarning(result.message);
    }
}

Inspect without changes

Use the rounded-rectangle-unity skill. Inspect Canvas/Main Panel, identify the
          visible owner and rendering path, and report warnings. Do not change or save the
          scene.

Create one Canvas SDF surface

Use the rounded-rectangle-unity skill. Under Canvas, dry-run a 420 x 220 Canvas
          SDF panel with 36 corner radius and 4 border width. If validation is clean,
          create it, inspect the visible result, and leave the scene unsaved.

Diagnose an ineffective setting

Use the rounded-rectangle-unity skill. Inspect the visible owner, cache state,
          Canvas parent, and material for Canvas/Main Panel. Explain which component owns
          the setting. Do not make changes.

Analyze Canvas/Main Panel for text overflow, border clearance, sibling overlap,
          and Canvas escape. Keep the analysis read-only and do not save the scene.

The package does not include an MCP server. Use this route only when a compatible MCP for Unity integration is already installed.

1. Add ROUNDED_RECTANGLE_MCP_FOR_UNITY to the active build target's Scripting Define Symbols.
2. Let Unity recompile.
3. Read mcpforunity://custom-tools and confirm that manage_rounded_rectangle is registered.
4. Use the tool with the facade action contract.

The adapter source is Assets/RoundedRectangle/Editor/Agent/Integrations/RoundedRectangleMcpForUnityTool.cs.

Remove the define before uninstalling the external MCP integration. Without the define, the adapter is excluded and the package remains MCP-independent.