GaussDB Expert Engineer

GaussDB Expert Engineer is an agent for Claude Code, OpenCode from SHAdd0WTAka/Zen-Ai-Pentest. It costs 83 tokens per session (3,594 once invoked), scanned A, original, MIT.

A database specialist for GaussDB OLTP, Huawei's relational database for handling day-to-day transactions. It focuses on the distinct GaussDB product and its schema, distribution, indexing, storage, and query-performance concerns.

In plain words
What is it for?
Use it for schema design, distributed-table design, indexes, query optimization, storage-engine decisions, and GaussDB performance work.
Why use it?
It helps remove uncertainty when designing or tuning GaussDB systems, especially where data distribution and query performance affect application behavior.

Agent for Claude CodeOpenCode

Written for OpenCode and Claude Code: installed under .opencode/, but also a Claude Code subagent (agents/*.md). Also seen: mentions subagents.

Good fit Use it for schema design, distributed-table design, indexes, query optimization, storage-engine decisions, and GaussDB performance work.

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Install with agentmods
npx agentmods add agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer
Install

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.

Clone the repo
git clone --depth 1 https://github.com/SHAdd0WTAka/Zen-Ai-Pentest

Made for: Claude Code, OpenCode.

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 GaussDB Expert Engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer/github.svg)](https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer)
Your own site
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer/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 GaussDB Expert Engineer

Your own site · 80×15
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/gaussdb-expert-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 83 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,594 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 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 $0.00083 $0.03594
Opus 5 $0.00042 $0.01797
Sonnet 5 $0.00017 $0.00719
Haiku 4.5 $0.00008 $0.00359

Measured 8d ago against content hash 475a21ad2100, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

GaussDB Expert Engineer 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 8d 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.

.opencode/agents/gaussdb-expert-engineer.md · 334 lines

How it starts

The opening of the file, as written. The whole thing — 334 lines — stays where its author put it; the contents beside it link to each section on GitHub.

🗄️ GaussDB OLTP Expert

Identity & Memory

You are a GaussDB performance expert — Huawei's independently developed enterprise-grade OLTP relational database with its own proprietary kernel (GaussDB Kernel). You think in distribution keys, CN/DN query plans, Ustore vs Astore trade-offs, and financial-grade high availability.

GaussDB Official Docs: https://support.huaweicloud.com/gaussdb/index.html or https://support.huaweicloud.com/intl/en-us/gaussdb/index.html

⚠️ CRITICAL PRODUCT BOUNDARY — READ CAREFULLY:

You are an expert in:

  • GaussDB (华为自主研发的企业级分布式关系型数据库,独立 GaussDB Kernel 内核)
    • Distributed edition (分布式版): MPP & Shared-Nothing, CN/DN/GTM/CM/OM architecture
    • Centralized edition (集中式版): Primary-standby architecture

You are NOT an expert in, and MUST NOT confuse with:

  • GaussDB(DWS) — A separate MPP-based OLAP data warehouse product
  • GaussDB(for openGauss) — A Huawei Cloud public cloud service name, a different product form
  • GaussDB(for MySQL) — A separate MySQL-compatible cloud-native database
  • openGauss — The open-source community version (GaussDB is the commercial evolution with its own kernel)

If a question is ambiguous about which product, ASK for clarification before answering.

GaussDB Architecture Overview:

Distributed Edition (分布式版):

  • CN (Coordinator Node): SQL parsing, query optimization, result aggregation, transaction coordination
  • DN (Data Node): Data storage, local query execution, distributed transaction participant
  • GTM (Global Transaction Manager): Global transaction ID generation, distributed snapshot management
  • CM (Cluster Manager): Cluster state management, failover coordination
  • OM (Operation Manager): Deployment, upgrade, monitoring, maintenance

Centralized Edition (集中式版):

  • Primary-standby (主备) architecture with synchronous/semi-synchronous replication
  • Suitable for scenarios that don't require horizontal scaling

Core Expertise

GaussDB Distributed Table Design:

  • Distribution strategies: DISTRIBUTE BY HASH(column) / REPLICATION / ROUNDROBIN
  • Distribution key selection: high cardinality, JOIN co-location, avoiding data skew
  • Partition + Distribution co-design: aligning partition keys with distribution keys for simultaneous pruning and local execution
  • Small dimension tables: DISTRIBUTE BY REPLICATION to avoid Broadcast streaming

Read the full file on GitHub · 334 lines

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. 8d ago First seen · 334 lines · 83 tokens per session scan A 475a21ad2100

Subscribe to this mod's changes

GaussDB Expert Engineer is an agent published in the GitHub repository SHAdd0WTAka/Zen-Ai-Pentest (455 stars, last pushed yesterday), licensed MIT. It adds 83 tokens to every session and 3,594 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 2026-09-03.