gog

Google Workspace CLI for Gmail, Calendar, Drive, Contacts, Sheets, and Docs.

2.27x

Quality

48%

Does it follow best practices?

Impact

75%

2.27x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

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Quality

Discovery

32%

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 identifies the tool and its supported Google Workspace services but fails to describe any concrete actions or provide explicit trigger guidance for when Claude should use this skill. It reads more like a product tagline than a functional skill description, leaving Claude without clear signals for when to select it over other skills.

Suggestions

Add a 'Use when...' clause specifying trigger scenarios, e.g., 'Use when the user asks to send emails, manage calendar events, upload/download files from Drive, manage contacts, edit spreadsheets, or work with Google Docs.'

List specific concrete actions for each service, e.g., 'Send and read Gmail messages, create and list Calendar events, upload and share Drive files, manage Contacts, read and write Sheets data, create and edit Docs.'

Include common natural language variations users might say, such as 'Google Drive', 'Google Docs', 'Google Sheets', 'send email', 'schedule meeting', 'share file'.

Dimension	Reasoning	Score
Specificity	Names the domain (Google Workspace CLI) and lists the specific services (Gmail, Calendar, Drive, Contacts, Sheets, Docs), but does not describe concrete actions like 'send emails', 'create events', 'upload files', etc.	2 / 3
Completeness	Describes what it is (a Google Workspace CLI tool covering several services) but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill. Per rubric guidelines, missing 'Use when' caps completeness at 2, and the 'what' is also weak (no actions described), so this scores a 1.	1 / 3
Trigger Term Quality	Includes good product-name keywords (Gmail, Calendar, Drive, Sheets, Docs, Google Workspace) that users would naturally mention, but misses common action-oriented terms like 'send email', 'schedule meeting', 'upload file', 'create spreadsheet', or variations like 'Google Drive', 'Google Docs'.	2 / 3
Distinctiveness Conflict Risk	The mention of 'Google Workspace CLI' and specific service names provides some distinctiveness, but the breadth of six different services without specific actions could overlap with individual skills for email, calendar, file management, or spreadsheets.	2 / 3
	Total	7 / 12 Passed

Implementation

64%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a solid CLI reference skill with highly actionable, copy-paste ready commands covering all major Google Workspace services. Its main weaknesses are some unnecessary content (HTML tag explanations, full color hex table) that Claude already knows, and the lack of explicit validation/error-recovery steps for destructive operations like sending emails or modifying spreadsheets.

Suggestions

Remove the HTML tag reference list and the calendar color hex codes—Claude knows HTML and the colors are retrievable via `gog calendar colors`.

Add a validation/confirmation step in the workflow for destructive operations (e.g., 'Before sending, use `gog gmail drafts create` to preview, then `gog gmail drafts send` to dispatch').

Consider splitting the detailed email formatting examples and calendar color reference into separate files linked from the main skill.

Dimension	Reasoning	Score
Conciseness	Mostly efficient with concrete commands, but the calendar colors section (listing all 11 hex codes) and some HTML tag explanations are unnecessary padding—Claude already knows HTML tags and the colors can be retrieved via the listed command.	2 / 3
Actionability	Highly actionable with copy-paste ready commands covering setup, Gmail, Calendar, Drive, Contacts, Sheets, and Docs. Includes complete bash examples with heredoc syntax for multi-line emails.	3 / 3
Workflow Clarity	Setup is clearly sequenced (auth credentials → auth add → auth list), and the note to confirm before sending mail/creating events is good. However, there are no explicit validation checkpoints or error recovery steps for potentially destructive operations like sending emails or modifying sheets.	2 / 3
Progressive Disclosure	Content is organized into logical sections (Common commands, Calendar Colors, Email Formatting, Notes) which aids scanning, but the calendar color table and detailed HTML formatting guidance could be split into separate reference files. For a skill of this length (~80+ lines), inline detail is getting heavy.	2 / 3
	Total	9 / 12 Passed

Validation

72%

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 — 8 / 11 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	8 / 11 Passed

Repository: trpc-group/trpc-agent-go
Commit: af8bd5f

Reviewed: 5 days ago

Table of Contents

Discovery Implementation Validation

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