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 skills/nvidia/openshell/launch-openshell-gatornpx skills add NVIDIA/OpenShell --skill launch-openshell-gatorgit clone --depth 1 https://github.com/NVIDIA/OpenShellWhat 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 | $0.00090 | $0.04934 |
| Opus 5 | $0.00045 | $0.02467 |
| Sonnet 5 | $0.00018 | $0.00987 |
| Haiku 4.5 | $0.00009 | $0.00493 |
Grade A, and why
launch-openshell-gator 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 yesterday.
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.
How it starts
The opening of the file, as written. The whole thing — 410 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Launch OpenShell Gator
Launch and supervise the repository's headless gator sandbox agent through OpenShell. This skill covers the operator workflow around scripts/agents/run.sh; the in-sandbox review and state-machine policy remains the gator-gate skill baked into the gator payload.
For gator's PR/issue validation policy, load gator-gate inside the launched sandbox. For generic sandbox CLI usage, use openshell-cli. For unhealthy gateways or sandbox startup failures, use debug-openshell-cluster after the launch preflight identifies a gateway/runtime problem.
Non-Negotiable Rules
- Keep normal gator launches supervised: use
--watch --backgroundand let the in-sandbox supervisor own sleeping and relaunching bounded cycles. - Do not add passive
sleeploops in the operator session to watch gator. Check logs or status once, then report the current state or launch a proper watcher outside the model session only when explicitly asked. - Do not change the default gator model in
scripts/agents/gator/agent.yamlfor experiments. UseCODEX_MODEL=...and, if needed, a temporary--fromDocker context or--codex-binoverride. - Do not push to contributor branches, approve, merge, post
/ok to test, or broaden gator scope unless the operator explicitly authorized that action. - Scope each launch prompt to the requested issue/PR set. Avoid repo-wide gator scans unless the operator asked for repo-wide processing.
- Leave unrelated local files alone, including
.opencode/artifacts and old gator logs unless the user asks for cleanup.
Key Paths
| Path | Purpose |
|---|---|
scripts/agents/run.sh |
Manifest-driven OpenShell agent launcher. |
scripts/agents/gator/agent.yaml |
Gator manifest: immutable payload version, default gateway, harness, providers, runtime, skills, and subagents. |
scripts/agents/gator/Dockerfile |
Gator sandbox image source. Local launches build this image through OpenShell. |
scripts/agents/gator/policy.yaml |
Sandbox policy for the gator agent. |
scripts/agents/gator/bin/gh |
Gator-specific gh wrapper and same-SHA duplicate-post guard. |
scripts/agents/gator/bin/review-feedback-ledger |
Builds tree-aware review scope, durable findings, convergence telemetry, and review-budget state. |
scripts/agents/gator/bin/resolve-gator-review-threads |
Resolves addressed Gator-owned inline review threads by ledger finding ID. |
scripts/agents/gator/bin/validate-review-findings |
Enforces the blocker evidence schema and downgrades unsupported hypotheses. |
scripts/agents/gator/prompts/gator.md |
Rendered top-level prompt template baked into the payload. |
scripts/agents/gator/skills/gator-gate/SKILL.md |
In-sandbox gator state-machine skill. |
scripts/agents/gator/logs/ |
Background launch and supervisor logs. |
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.
- yesterday First seen · 410 lines · 90 tokens per session scan A a49a82e171e6
launch-openshell-gator is a skill published in the GitHub repository NVIDIA/OpenShell (8,421 stars, last pushed 2d ago), licensed Apache-2.0. It adds 90 tokens to every session and 4,934 once invoked, about $0.0005 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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