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setup

setup is a command for Claude Code from contrapuntal/antigravity-cli-plugin-cc. It costs 12 tokens per session (326 once invoked), scanned C, original, Apache-2.0.

A setup check for the Antigravity command-line tool, which lets you use Antigravity from a terminal. It checks whether the tool is installed and signed in.

In plain words
What is it for?
Use it before running Antigravity commands. It tells you which install or sign-in step to perform, then confirms when setup is complete.
Why use it?
It shows what is missing without installing software or signing in for you. This avoids guessing whether the local tool is ready.

Command for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: names the AskUserQuestion tool.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the ask-antigravity plugin — 4 commands, 1 agent shipped together

not rated 2repo 1mo ago C scan 12 tokens original Apache-2.0

Good fit Use it before running Antigravity commands. It tells you which install or sign-in step to perform, then confirms when setup is complete.

Compare 6 commands from other repositories ↓
View source ↗ contrapuntal/antigravity-cli-plugin-cc
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add contrapuntal/antigravity-cli-plugin-cc
Claude Code
/plugin install ask-antigravity

Made for: Claude Code.

Or install ask-antigravity, the plugin that ships this one along with the rest of its 4 commands, 1 agent.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for setup

README.md
[![agentmods](https://agentmods.dev/badge/commands/contrapuntal/antigravity-cli-plugin-cc/setup/github.svg)](https://agentmods.dev/commands/contrapuntal/antigravity-cli-plugin-cc/setup)
Your own site
<a href="https://agentmods.dev/commands/contrapuntal/antigravity-cli-plugin-cc/setup"><img src="https://agentmods.dev/badge/commands/contrapuntal/antigravity-cli-plugin-cc/setup/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for setup

Your own site · 80×15
<a href="https://agentmods.dev/commands/contrapuntal/antigravity-cli-plugin-cc/setup"><img src="https://agentmods.dev/badge/commands/contrapuntal/antigravity-cli-plugin-cc/setup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 12 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 326 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00012 $0.00326
Opus 5.5 $0.00005 $0.00130
Sonnet 5.5 $0.00002 $0.00065
Haiku 4.5 $0.00001 $0.00033

Measured 1mo ago against content hash f3b88f71e16a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

setup scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

curl -fsSL https://antigravity.google/cli/install.sh | bash

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -fsSL https://antigravity.google/cli/install.sh | bash
plugins/ask-antigravity/commands/setup.md · 42 lines

What it actually says

Run:

node "${CLAUDE_PLUGIN_ROOT}/scripts/antigravity-companion.mjs" setup --json

If the JSON result has installed: false:

  • Do NOT auto-run any installer. Tell the user the Antigravity CLI (agy) is not installed and print one of these commands for them to run themselves:
curl -fsSL https://antigravity.google/cli/install.sh | bash

or

brew install --cask antigravity-cli
  • After they confirm they have installed it, rerun:
node "${CLAUDE_PLUGIN_ROOT}/scripts/antigravity-companion.mjs" setup

If the JSON result has installed: true and authenticated: false:

  • Tell the user to run !agy and complete sign-in (Google account or ANTIGRAVITY_API_KEY).

If the JSON result has ready: true:

  • Show a brief confirmation and mention /ask-antigravity:review and /ask-antigravity:rescue as the next things to try.

Output rules:

  • Present the final setup output to the user (the human-readable rerun, not the JSON).
  • Do not paraphrase the install/auth instructions; surface them verbatim.
  • Never run a remote installer on the user's behalf. Only print the install command.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 42 lines · 12 tokens per session scan C f3b88f71e16a

Subscribe to this mod's changes

setup is a command published in the GitHub repository contrapuntal/antigravity-cli-plugin-cc (2 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 12 tokens to every session and 326 once invoked, about $0.0000 per session on Opus 5.5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Claude CodeCode reviewanthropic-skillcodex-clicopilot-cligemini
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