Name: antigravity-skills-manager
Rating: 59.2 (1 reviews)
Author: rmyndharis

antigravity-skills-manager

Global skills manager for Google Antigravity. Explore, search, install, and manage 300+ agent skills from the rmyndharis/antigravity-skills catalog using pure stdlib CLI tools.

Quality

68%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

Securityby

Low

Low-risk findings worth noting

Fix and improve this skill with Tessl

tessl review fix ./skills/antigravity-skills-manager/SKILL.md

Quality

Content

67%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 well-structured and actionable, with concrete CLI commands and thoughtful safety guidance for the destructive install operation. Conciseness is the weakest dimension due to repeated path details and over-explanation of script location.

Suggestions

Consolidate the storage path details into a single section to remove the repetition across Instructions, the install command block, and the Storage section.

Trim the paragraph explaining where skills_cli.py resides into a brief pointer, trusting the agent to locate the script.

Add an explicit post-install verification step (e.g. run `python3 skills_cli.py installed` to confirm the skill appears) to close the workflow feedback loop.

Dimension	Reasoning	Score
Conciseness	Mostly efficient with clear command listings, but includes some padding — the multi-line explanation of where skills_cli.py lives and the repeated storage path details (Instructions, install section, and a dedicated Storage section) could be tightened.	3 / 5
Actionability	Provides concrete, copy-paste-ready commands (`python3 skills_cli.py list/search/install/installed`) with worked flutter examples and slash-command equivalents, with minor gaps around locating the script and the npx fallback.	4 / 5
Workflow Clarity	Each of the four commands is clearly sequenced and the Safety section supplies validation checkpoints for the destructive install (confirm skill id, show search results, never install unrequested ids, report the resolved path), though there is no explicit post-install verification step.	4 / 5
Progressive Disclosure	Well-organized into clearly labeled sections (Use/Do not use, Instructions, Safety, Commands, Storage) with no external bundle files needed, though the ~90-line length and some duplicated content keep it just short of the lean ideal.	4 / 5
	Total	15 / 20 Passed

Description

70%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 specific and well-scoped to a clear niche, with concrete actions and natural trigger keywords. Its main weakness is the absence of an explicit 'Use when...' trigger clause, which caps completeness.

Suggestions

Add an explicit 'Use when...' clause, e.g. 'Use when searching, installing, or managing Antigravity agent skills from the rmyndharis/antigravity-skills catalog.'

Include common trigger synonyms such as 'browse', 'find', or 'add skills' to broaden natural keyword coverage.

Replace the generic 'manage' with a more concrete action like 'update' or 'audit installed skills' to tighten specificity.

Dimension	Reasoning	Score
Specificity	Names the domain (Antigravity skills manager) and several concrete actions — 'Explore, search, install, and manage' — but 'manage' and 'explore' are somewhat generic, leaving minor coverage gaps versus a fully comprehensive action list.	4 / 5
Completeness	It clearly answers 'what' (global skills manager over the antigravity-skills catalog) but includes no explicit 'Use when...' trigger clause, so per the missing-trigger guidance completeness is capped at 3.	3 / 5
Trigger Term Quality	Good natural keyword coverage with 'skills', 'search', 'install', 'manage', and 'catalog' that users would plausibly say, though common synonyms like 'browse', 'find', or 'add' are missing.	4 / 5
Distinctiveness Conflict Risk	Scoped specifically to 'Google Antigravity' and the 'rmyndharis/antigravity-skills' catalog, giving it a clear niche with distinct triggers and minimal conflict risk with other skills.	5 / 5
	Total	16 / 20 Passed

Validation

93%

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 — 15 / 16 Passed

Validation for skill structure

Criteria	Description	Result
metadata_version	'metadata.version' is missing	Warning

	Total	15 / 16 Passed

Repository: rmyndharis/antigravity-skills
Path: skills/antigravity-skills-manager/SKILL.md
Commit: 3eff4af

Reviewed: ~19 hours ago

Table of Contents

Discovery Implementation Validation

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.