Content
72%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
The body is a well-structured, actionable overview with executable examples and excellent progressive disclosure into real reference files. Its main weakness is redundancy across the 'When to Use', Overview, key-operations, and Reference Files sections, and the absence of explicit validation checkpoints in the workflow recipes.
Suggestions
Consolidate the 'When to Use This Skill' list, the Overview, and the per-capability key-operations bullets to remove overlap, and drop the bottom Reference Files list since each section already signals its reference with a 'See:' pointer.
Add explicit validation checkpoints to the Common Workflows (e.g. verify WCS validity before transforming coordinates, check FITS HDU type before accessing .data) so each recipe has a clear validate-then-proceed sequence.
Trim the 'Additional Capabilities' stub sections that merely paraphrase the reference file contents, or fold them into the wcs_and_other_modules.md reference to keep the overview lean.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body avoids explaining concepts Claude already knows, but the 'When to Use' bullets overlap heavily with the Overview and the per-capability key-operations lists, and the bottom Reference Files section repeats the per-section 'See:' pointers, so it could be tightened. Not a 3 because of this redundancy; not a 1 because there is no padded conceptual fluff. | 2 / 3 |
Actionability | Quick Start and four Common Workflows provide fully executable, copy-paste-ready code with real imports and API calls (e.g. SkyCoord transforms, fits.open context managers, Planck18.luminosity_distance, match_to_catalog_sky). | 3 / 3 |
Workflow Clarity | The Common Workflows are clear recipes but presented as standalone snippets without explicit validation checkpoints or feedback loops; the sequence is present but checkpoints are implicit. Not a 3 because no embedded validate/retry steps; not a 1 because the steps are clearly ordered and the operations are non-destructive so the missing-feedback-loop cap is not the binding factor. | 2 / 3 |
Progressive Disclosure | SKILL.md is a lean overview with seven well-signaled one-level-deep references, each marked with a '**See:**' pointer and consolidated in a Reference Files list; all seven referenced files exist in references/, and content is appropriately split with no nested references. | 3 / 3 |
Total | 10 / 12 Passed |