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Agent skill

Antigravity Skills Manager

by rmyndharis in rmyndharis/antigravity-skills

Global skills manager for Google Antigravity. An agent skill from rmyndharis/antigravity-skills.

MITAuto-check passedAgent Workflows

Install Antigravity Skills Manager

skills CLI
$ npx skills add rmyndharis/antigravity-skills --skill antigravity-skills-manager -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install rmyndharis/antigravity-skills antigravity-skills-manager --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/rmyndharis/antigravity-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/antigravity-skills-manager .claude/skills/antigravity-skills-manager && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
antigravity-skills-manager
GitHub stars
1.7k
Token cost
~1.3k tokens
SKILL.md length
565 words
Files
1
Skills in repo
5
Repo updated
First seen
Licence
MIT

At a glance

Global skills manager for Google Antigravity. An agent skill from rmyndharis/antigravity-skills.

  • Works in 4 steps: List Catalog Skills → Search Catalog Skills → Install Skill → …
  • Agent Workflows work in your project
  • SKILL.md covers Use this skill when, Do not use this skill when, Instructions and Safety, plus 3 more sections
  • Calls python3 and npx

What it does

Antigravity Skills Manager is an agent skill from rmyndharis/antigravity-skills. 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.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Agent Workflows. It works with npm. The repository describes itself as: A curated collection of Agent Skills for Google Antigravity. The licence is MIT.

When your agent uses it

  • Agent Workflows work in your project

Example prompts

  • “/antigravity-skills-manager”

Requirements

  • Python 3
  • Node.js

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. List Catalog Skills
  2. Search Catalog Skills
  3. Install Skill
  4. List Installed Skills

What it can do on your machine

Read from SKILL.md and the folder at commit e749054. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python3
    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Antigravity Skills Manager loads about 1.3k tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 565 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~51
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from rmyndharis/antigravity-skills at commit e749054, republished under its MIT licence (© rmyndharis). 565 words, ~1,257 tokens.

Download SKILL.mdSave it as .claude/skills/antigravity-skills-manager/SKILL.md (or your agent's skills folder).
name
antigravity-skills-manager
description
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.
metadata.model
inherit

📦 Antigravity Skills Manager (rmyndharis/antigravity-skills)

The antigravity-skills-manager skill empowers Google Antigravity agents and users to discover, search, install, and manage over 300+ agent skills from the open-source repository rmyndharis/antigravity-skills.

Use this skill when

  • Searching or exploring available agent skills in the antigravity-skills catalog.
  • Installing a new skill into the global Antigravity configuration directory (~/.gemini/antigravity/skills/<skill_id>/).
  • Listing locally installed skills to check system capabilities.
  • Managing skill updates or auditing active agent tools.

Do not use this skill when

  • Performing general domain coding tasks that do not involve discovering or managing skills.
  • Working on tasks outside the scope of Antigravity skill management.

Instructions

  • Prefer the /skills-manager (or /skills) slash commands. They work wherever the plugin is registered and need no path resolution.
  • skills_cli.py does not sit next to this file. Installing this skill copies only SKILL.md into the skills directory; the script lives at the root of the checkout or npm package it came from — agy plugin install clones the repo, so it is at the clone root, and the npm package puts it at node_modules/@rmyndharis/antigravity-skills/skills_cli.py. Locate it before invoking it, and run it from there; python3 skills_cli.py <cmd> from this skill's own directory will not find it.
  • If neither the repo nor the npm package is on disk, use npx @rmyndharis/antigravity-skills (the ag-skills CLI) instead — it covers the same four operations.
  • Ensure skill installations save to ~/.gemini/antigravity/skills/<skill_id>/SKILL.md, or to AG_SKILLS_DIR when that is set.
  • All underlying commands must use standard Python library features (urllib.request, json, os, sys) without third-party dependencies.

Safety

  • install writes instructions that every future Antigravity session loads automatically. Confirm the skill id with the user before installing, and show them what search returned rather than picking on their behalf.
  • install replaces an existing installation of the same skill id, discarding local edits under that directory. Say so before overwriting.
  • Never install a skill id the user did not ask for, and never install one that is absent from the catalog.
  • install writes under the resolved skills directory — AG_SKILLS_DIR when set, otherwise ~/.gemini/antigravity/skills. Report the exact path back to the user rather than assuming the default.
Show full SKILL.md (220 more words)Show less

Purpose

Provide a unified, lightweight, pure standard-library interface for managing Google Antigravity agent skills across platforms (Windows, macOS, Linux).

Available Commands & Usage

1. List Catalog Skills

Lists catalog skills with their categories and descriptions. An unfiltered listing is capped at the first 40 entries with a count of the remainder; add a filter to see a complete result set:

bash
python3 skills_cli.py list

Slash command equivalent: /skills-manager list (or /skills list)

2. Search Catalog Skills

Filters skills by matching keywords in skill id, name, description, category, tags, or triggers. Multi-word queries match skills containing every term, in any order, and results are never truncated:

bash
python3 skills_cli.py search <term>

Example:

bash
python3 skills_cli.py search flutter

Slash command equivalent: /skills-manager search flutter (or /skills search flutter)

3. Install Skill

Installs the whole skill folder into the global skills directory (~/.gemini/antigravity/skills/<skill_id>/), copying from the catalog shipped beside the script when present and downloading from GitHub otherwise. Any existing installation of the same id is replaced. Exits non-zero if some files could not be retrieved:

bash
python3 skills_cli.py install <skill_id>

Example:

bash
python3 skills_cli.py install flutter-expert

Slash command equivalent: /skills-manager install flutter-expert (or /skills install flutter-expert)

4. List Installed Skills

Inspects local ~/.gemini/antigravity/skills/ directory and lists installed skills:

bash
python3 skills_cli.py installed

Slash command equivalent: /skills-manager installed (or /skills installed)

Local Installation Storage Path

Skill files installed via this skill are placed in: ~/.gemini/antigravity/skills/<skill_id>/SKILL.md

On Windows: C:\Users\<user>\.gemini\antigravity\skills\<skill_id>\SKILL.md

Newly installed skills are automatically discovered by Google Antigravity upon session initialization or refresh.

© rmyndharis, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/antigravity-skills-manager of rmyndharis/antigravity-skills.

Open the folder on GitHubat commit e749054

Compare with similar skills

Antigravity Skills Manager next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Antigravity Skills Manager compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Antigravity Skills Manager this skillrmyndharis/antigravity-skills1.7k—~1.3kAutomated safety check: PassMIT
MCP Server BuildershareAI-lab/learn-claude-code78k4 repos~1.2kAutomated safety check: PassMIT
CodeGraph Agent Evalcolbymchenry/codegraph74k—~950Automated safety check: PassMIT
Mem0 CLI Memory Commandsmem0ai/mem067k—~2kAutomated safety check: NotesApache-2.0
Orca Run Replayiflytek/skillhub5.2k4 repos~3kAutomated safety check: PassApache-2.0
Helmor Bump Vendorsdohooo/helmor1.3k—~2.1kAutomated safety check: PassApache-2.0

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Works with

Categories

Questions about Antigravity Skills Manager

What does Antigravity Skills Manager do?

Global skills manager for Google Antigravity. An agent skill from rmyndharis/antigravity-skills. Antigravity Skills Manager is an agent skill from rmyndharis/antigravity-skills. Global skills manager for Google Antigravity.

When should I use Antigravity Skills Manager?

Antigravity Skills Manager fits situations like: agent Workflows work in your project.

How do I install Antigravity Skills Manager in Claude Code?

Run `npx skills add rmyndharis/antigravity-skills --skill antigravity-skills-manager -a claude-code`. Or copy the skill folder (skills/antigravity-skills-manager in rmyndharis/antigravity-skills) into .claude/skills/antigravity-skills-manager in your project. Claude Code loads it when a task matches its description.

How do I install Antigravity Skills Manager in Codex?

Run `npx skills add rmyndharis/antigravity-skills --skill antigravity-skills-manager -a codex`. Or copy the skill folder (skills/antigravity-skills-manager in rmyndharis/antigravity-skills) into .agents/skills/antigravity-skills-manager in your project. Codex loads it when a task matches its description.

Can I use Antigravity Skills Manager in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add rmyndharis/antigravity-skills --skill antigravity-skills-manager -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/antigravity-skills-manager, .gemini/skills/antigravity-skills-manager, .github/skills/antigravity-skills-manager and .opencode/skills/antigravity-skills-manager in your project.

What does Antigravity Skills Manager need to run?

Going by SKILL.md and its folder, Antigravity Skills Manager needs the command-line tools its instructions call (python3 and npx). Our summary lists: Python 3; Node.js.

Does Antigravity Skills Manager access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Antigravity Skills Manager safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Antigravity Skills Manager use?

Antigravity Skills Manager is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Antigravity Skills Manager use?

About 1.3k tokens (SKILL.md is roughly 5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Antigravity Skills Manager?

Skills that share tags, products or a category with Antigravity Skills Manager: MCP Server Builder (shareAI-lab/learn-claude-code, 78k stars), CodeGraph Agent Eval (colbymchenry/codegraph, 74k stars), Mem0 CLI Memory Commands (mem0ai/mem0, 67k stars) and Orca Run Replay (iflytek/skillhub, 5.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Antigravity Skills Manager?

rmyndharis (a GitHub user) maintains it in rmyndharis/antigravity-skills, which has 1,726 GitHub stars. The repository holds 5 skills in this directory. The repository was last updated on October 1, 2026.

Source: rmyndharis/antigravity-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.