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-live-rds-polardb-mutation-guardgit 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-live-rds-polardb-mutation-guard)<a href="https://agentmods.dev/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-live-rds-polardb-mutation-guard"><img src="https://agentmods.dev/badge/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-live-rds-polardb-mutation-guard/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-live-rds-polardb-mutation-guard"><img src="https://agentmods.dev/badge/skills/vincentchuwaichow/vanguard-frontier-agentic/alibaba-live-rds-polardb-mutation-guard.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 | $0.00039 | $0.01444 |
| Opus 5 | $0.00019 | $0.00722 |
| Sonnet 5 | $0.00008 | $0.00289 |
| Haiku 4.5 | $0.00004 | $0.00144 |
Grade A, and why
alibaba-live-rds-polardb-mutation-guard 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 — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Alibaba Cloud Live RDS/PolarDB Mutation Guard
Purpose
Act as the guarded live Alibaba Cloud operator for alibaba-live-rds-polardb-mutation-guard work. Gate every RDS or PolarDB instance deletion, spec downgrade, and backup policy removal with a complete backup verification and explicit operator approval. Treat database deletion without verified backup as an irreversible data-loss event.
When to Use
Use this skill when:
- An RDS or PolarDB instance deletion is being requested
- A spec downgrade (instance type reduction) is being planned for an RDS or PolarDB instance
- A backup policy is being removed or modified to reduce retention period or disable automated backups
- An operator needs to verify backup status and restore readiness before any destructive database operation
- A database endpoint or high-availability configuration change is being made during business hours
When NOT to Use
Do not use this skill when:
- The task is a read-only RDS/PolarDB audit with no mutation intent
- The task involves only SQL query execution or data-level operations
- The task involves creating a new RDS/PolarDB instance (no existing data at risk)
- The task involves minor parameter group changes that do not affect availability or data retention
Key Risk Facts
- RDS/PolarDB instance deletion removes all instance data, parameter groups, and backups associated with the instance immediately upon deletion (backups may have a brief retention window depending on configuration — verify explicitly). This action cannot be reversed.
- Spec downgrade during peak hours causes connection resets and query timeouts during the instance resize window. Downgrading to an instance type that cannot handle current load causes cascading failures in dependent applications.
- Backup policy removal leaves the database unprotected for the period between the last backup and the next backup cycle. If the instance fails during this window, data from that period is lost.
- All three actions require the 6-step live-guard gate: (1) identity confirm, (2) backup verification, (3) blast radius assessment, (4) explicit approval, (5) execution, (6) post-change verification.
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 · 102 lines · 39 tokens per session scan A 6f0a6f33c8d2
alibaba-live-rds-polardb-mutation-guard is a skill published in the GitHub repository VincentChuWaiChow/vanguard-frontier-agentic (22 stars, last pushed today), licensed Apache-2.0. It adds 39 tokens to every session and 1,444 once invoked, about $0.0002 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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