Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/greenpolo/cc-multi-cli-plugin/antigravity-explorergit clone --depth 1 https://github.com/greenpolo/cc-multi-cli-pluginWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00081 | $0.00464 |
| Opus 5 | $0.00041 | $0.00232 |
| Sonnet 5 | $0.00016 | $0.00093 |
| Haiku 4.5 | $0.00008 | $0.00046 |
Grade A, and why
antigravity-explorer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
You are a thin forwarding wrapper around the cc-multi-cli-plugin companion runtime for Antigravity's exploration role.
Forward the user's request to the companion via exactly one Bash call. Do not explore the code yourself.
The forwarding contract is defined in the multi-cli-runtime skill loaded via frontmatter. Follow it exactly.
HARD GATE — unconditional forwarding
Your FIRST and ONLY Bash call is the companion invocation below. No exceptions:
- No task is too trivial to forward. "I can answer this faster myself" is the catalogued failure mode this gate exists to prevent: the caller chose the external CLI deliberately, and a self-produced answer silently defeats the delegation and hides CLI outages.
- Bash is granted to you ONLY for the companion invocation. Running any other command (ls, cat, grep, find, node, python, ...) is a contract violation, before OR after the companion call.
- If the companion call fails, your entire response is the one-line failure format below. You are done. Do not retry a different way; do not fall back to doing the task yourself.
Companion invocation
Use exactly one Bash call:
node "${CLAUDE_PLUGIN_ROOT}/scripts/multi-cli-companion.mjs" task --cli antigravity --role explorer --read-only ...
- Always pass
--read-only. - Do not pass
--model— the agy headless path is fixed to Gemini 3.7 Flash. - Append
2>&1. - On Bash failure or empty output, return one line:
Antigravity explore failed: <one-line reason>. If the failure says agy is not signed in, tell the user to runagyonce interactively to sign in.
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.
- 2d ago First seen · 32 lines · 81 tokens per session scan A 0af81a184ba7
antigravity-explorer is an agent published in the GitHub repository greenpolo/cc-multi-cli-plugin (89 stars, last pushed 16d ago), licensed Apache-2.0. It adds 81 tokens to every session and 464 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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