Content
72%Scale 1-3Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-structured, highly actionable reference skill for ArcGIS layers with excellent code examples covering a wide range of layer types. Its main weakness is length — it reads more like comprehensive API documentation than a lean skill, and some less common layer types could be moved to a separate reference file. The workflow clarity could be improved with explicit multi-step sequences for common tasks like 'add layer → wait for load → query features → handle results'.
Suggestions
Consider moving less common layer types (MapNotesLayer, GeoRSSLayer, ParquetLayer, StreamLayer, WebTileLayer) to a separate reference file to reduce the main skill's token footprint.
Add a 'Common Workflow' section with a numbered sequence showing the typical add-layer-to-query-results pipeline with explicit validation/error-handling checkpoints (e.g., check layer.loadStatus, handle query errors).
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is comprehensive but quite long (~400+ lines). The layer type overview table is efficient, but the sheer volume of layer examples (MapNotesLayer, GeoRSSLayer, ParquetLayer, etc.) makes this feel like a reference manual rather than a lean skill. Some sections like the Common Pitfalls with anti-pattern/correct pairs are valuable but verbose. The inline comments explaining obvious things (e.g., '// Array of Graphic objects', '// Column name for lat') add minor bloat. | 2 / 3 |
Actionability | Excellent actionability throughout. Every layer type has fully executable JavaScript code with proper imports, constructor configurations, and method calls. The querying section covers basic, spatial, pagination, statistics, and client-side queries with copy-paste ready code. The Common Pitfalls section provides both anti-patterns and correct patterns with concrete examples. | 3 / 3 |
Workflow Clarity | The skill covers individual operations well but lacks explicit multi-step workflow sequences. The Layer Loading section hints at a workflow (load → access metadata → use layerView) but doesn't present it as a clear numbered sequence with validation checkpoints. For operations like querying features after adding layers, there's no explicit workflow showing the full sequence with error handling or validation steps. | 2 / 3 |
Progressive Disclosure | Good progressive disclosure with a clear overview table at the top, well-organized sections by layer type, and appropriate references to external skills ('See arcgis-advanced-layers for WMS, WFS, KML...' and 'See arcgis-core-maps skill for autocasting guidance'). Reference samples are listed at the end. The structure flows logically from common layers to specialized layers to management to querying. | 3 / 3 |
Total | 10 / 12 Passed |