xlsx

Create, read, edit Excel .xlsx workbooks and CSVs.

Quality

76%

Does it follow best practices?

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Securityby

High

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Fix and improve this skill with Tessl

tessl review fix ./skills/productivity/xlsx/SKILL.md

Quality

Content

92%Weight 40%Scale 1-5

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, highly actionable skill file: executable commands, a clear sequenced procedure, and an explicit verification checklist with feedback loops, all with detail correctly pushed one level deep into references and scripts. Only minor conciseness trims would improve it.

Dimension	Reasoning	Score
Conciseness	The body is lean and command/table-driven, assuming Claude's competence without explaining what Excel or openpyxl is; minor prose in the intro and pitfalls could be trimmed slightly.	4 / 5
Actionability	Copy-paste-ready commands fill the How-to-Run block and Quick Reference table, and the Procedure gives exact flag syntax covering the common cases (create, read, edit, restructure, CSV interop).	5 / 5
Workflow Clarity	A 6-step Procedure sequence is paired with a dedicated Verification section of explicit checkpoints (re-dump touched ranges, read the restructure JSON report, re-run --formulas/--sheets), providing feedback loops for the destructive/batch operations.	5 / 5
Progressive Disclosure	SKILL.md is a clear overview with well-signaled one-level-deep references to the verified file `references/restructuring.md` and the per-script `--help`, with bulk detail appropriately split into the scripts/ bundle.	5 / 5
	Total	19 / 20 Passed

Description

61%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is concise and names a clear niche with good trigger keywords, but it omits any explicit 'Use when...' trigger guidance and uses broad action verbs rather than specific sub-actions. Adding a usage clause and concrete capabilities would lift the completeness and specificity dimensions.

Suggestions

Append a 'Use when...' clause naming concrete trigger phrases (e.g., 'Use when creating or editing Excel .xlsx files, spreadsheets, or CSVs').

Replace the broad verbs with more specific concrete actions (e.g., 'build styled multi-sheet workbooks with formulas and charts, dump sheet data, restructure rows/columns').

Include the synonym 'spreadsheet' to broaden natural trigger-term coverage.

Dimension	Reasoning	Score
Specificity	"Create, read, edit" names the domain and a few actions, but these are broad verb categories rather than concrete sub-actions like "extract text" or "fill forms", so it stops at the not-comprehensive anchor.	3 / 5
Completeness	The description clearly states what the skill does ("Create, read, edit Excel .xlsx workbooks and CSVs") but has no "Use when..." trigger clause, which caps completeness at 3 per the rubric guideline.	3 / 5
Trigger Term Quality	Natural terms "Excel", ".xlsx", "workbooks", and "CSVs" give good keyword coverage with the file extension included, though the synonym "spreadsheet" is absent.	4 / 5
Distinctiveness Conflict Risk	The Excel/.xlsx/CSV niche is clearly distinct from docx/pdf/powerpoint skills, with the file extension anchoring it; minor overlap risk remains with any generic CSV skill.	4 / 5
	Total	14 / 20 Passed

Validation

81%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 13 / 16 Passed

Validation for skill structure

Criteria	Description	Result
metadata_version	'metadata.version' is missing	Warning
metadata_field	'metadata' should map string keys to string values	Warning
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	13 / 16 Passed

Repository: NousResearch/hermes-agent
Path: skills/productivity/xlsx/SKILL.md
Commit: 6680afb

Reviewed: about 3 hours ago

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