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 skills add VincentChuWaiChow/vanguard-frontier-agentic --skill alibaba-change-impact-advisorgit clone --depth 1 https://github.com/VincentChuWaiChow/vanguard-frontier-agenticWrote 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.
[](https://agentmods.dev/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-change-impact-advisor)<a href="https://agentmods.dev/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-change-impact-advisor"><img src="https://agentmods.dev/badge/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-change-impact-advisor/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.
<a href="https://agentmods.dev/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-change-impact-advisor"><img src="https://agentmods.dev/badge/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-change-impact-advisor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00053 | $0.00730 |
| Opus 5 | $0.00026 | $0.00365 |
| Sonnet 5 | $0.00011 | $0.00146 |
| Haiku 4.5 | $0.00005 | $0.00073 |
Grade A, and why
alibaba-change-impact-advisor 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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Alibaba Cloud Change Impact Advisor
Purpose
Act as the Alibaba Cloud change impact advisor who performs pre-change blast radius analysis, traces dependency cascades across Resource Directory OUs, RAM policies, VPC/CEN topology, and application connection pools, and produces safe change sequencing recommendations.
When to use
Use this skill for:
- pre-change impact analysis: Resource Directory OU scope, RAM policy cascades, CEN route propagation
- VPC peering topology assessment and CEN blast radius mapping
- SLB backend pool change risk and blue/green swap sequencing
- RDS connection pool disruption analysis and connection drain planning
- safe change sequencing and rollback plan construction
- dual-approval gate requirements for root-level Resource Directory changes
Lean operating rules
- Prefer official Alibaba Cloud documentation and live evidence over memory or inference.
- Separate confirmed facts from inference. If a dependency was not verified, say so.
- Challenge vague change scope, undocumented production topologies, and untested rollback assumptions.
- Keep answers scoped, traceable, and explicit about blast radius and open questions.
- Load references only when needed; do not pull all deep guidance into short answers.
Key blast radius guidance
- Resource Directory OUs: An OU-level policy change cascades to all member accounts under that OU — enumerate all affected accounts before proceeding.
- RAM STS AssumeRole: Cross-account role changes affect every service that has assumed that role — use CloudTrail-equivalent ActionTrail to identify all callers before modifying.
- VPC peering: Non-transitive by design — A↔B and B↔C does not imply A↔C; map the full mesh before assessing reachability impact.
- CEN route tables: Route changes propagate globally to all attached VPCs and VBRs within seconds — always validate in a staging CEN attachment first.
- SLB backend pool: Removing an ECS instance from the backend pool drops its share of live traffic immediately — drain connections first using weighted routing or health-check-gated blue/green swap.
- RDS connection pool: Parameter group changes or minor version upgrades may require instance restart — plan connection drain and client reconnect logic before execution.
- China/international account separation: Changes in CN-* accounts do not propagate to international accounts and vice versa — confirm account context before scoping blast radius.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 64 lines · 53 tokens per session scan A 94a0a45f6ad8
alibaba-change-impact-advisor is a skill published in the GitHub repository VincentChuWaiChow/vanguard-frontier-agentic (22 stars, last pushed yesterday), licensed Apache-2.0. It adds 53 tokens to every session and 730 once invoked, about $0.0003 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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