database-engineering SKILL.md skillA

database-engineering from foreturn/product-studio is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add foreturn/product-studio/database-engineering@git:20261014.9089425

Pins git:20261014.9089425 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
foreturn/product-studio
Path
skills/database-engineering/SKILL.md
Versions recorded
10
Latest version
git:20261014.9089425, committed Oct 14, 2026
First version recorded
Aug 16, 2026
Size
6,701 bytes
Repository stars
3
License
MIT

用于数据库物理 Schema 设计、索引与查询优化、事务隔离与锁、迁移演进、备份恢复与高可用裁定。.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# 数据库工程执行契约

## 目标

设计和演进共享或独立运营数据库的结构与运行机制,保护数据完整性、访问性能、消费者兼容和恢复能力。

## 执行协议

1. 确认本专业范围、任务所指产品与工作边界、授权改动、受影响消费者、验证边界和未知项。
2. 阅读 [能力索引](references/principles.md),完整读取本次命中分卷,再按“项目记忆”章读取同簇的记忆范围与项目事实;发现新依赖或风险时补读相关分卷。
3. 区分用户已裁定的目标与政策、当前事实、因果推断和待证假设,具体方案不因提出者、既有实现或测试而自动成立。以受影响完整流程的结果、必要状态与交接、契约及副作用、失败恢复、变更扩散和维护成本复核决定。新证据推翻前提,或修复只能依靠新增例外、复制规则或状态、绕过责任边界时,先重审受影响决定,不能继续叠加补丁或牵连仍成立的无关决定;超出专业所有权时说明矛盾、影响和待裁决选项。
4. 对涉及现有行为异常、失败、回归或修复的任务:编译器直接定位的显而易见拼写、语法或格式单点错误可直接修正;对涉及运行时状态、调用链路、时序并发、数据不一致或未知因果的缺陷,首次写入前必须完成诊断门:以用户可读的固定字段(当前事实、首个错误状态、最小复现、根因假设、验证动作、预期与禁止结果、实际结果、根因结论、下一步)完成诊断;至少提出两个可区分且可证伪的根因假设,若候选已被证据排除,写出排除依据,不为凑数。只有验证结果能够解释首个错误及相关现象、并排除主要替代假设时,方可编辑业务代码、测试断言或配置;证据不足时只能继续读取、复现、查询或请求澄清。新证据否定当前假设时,立即标记其失效,停止沿该假设修补并回到诊断门。
5. 按真实依赖和可验证的数据状态拆解复杂工作,步骤应最小充分、目标单一并保持完整性与消费者兼容;简单任务直接处理。在当前授权内依命中准则实施或审查,不扩入无关改动。
6. 阶段目标完成时,按本阶段风险选择并运行相称的结构、数据不变量及兼容检查,确认已完成部分自洽后再推进依赖它的工作;结束前核对最终差异、运行影响与数据恢复边界,记录证据能证明与不能证明的范围。
7. 每次修改后,必须将改动、预期因果路径和验证结果逐项对应。若首个错误仍在、出现新错误或验证未能区分结果,不得在原假设上继续追加补丁;仅回退本轮由该假设产生的改动,保留无关工作区状态,重新进入诊断门,并在无法形成证据时以阻塞或证据不足结束。
8. 工作中按“项目记忆”章随证据维护事实册,结束前完成收口对账;汇报实际结果、验证范围、未解决问题及必要的后续条件。

## 项目记忆
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add foreturn/product-studio/database-engineering@sha256:597ecf12c49f4248

The line at the top of this page pins the label git:20261014.9089425, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_w3xwwnhsft2hss3i.svg)](https://markdownregistry.com/a/art_w3xwwnhsft2hss3i)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 10 versions of this file, between Aug 16, 2026 and Oct 14, 2026, about one every 7 days.

versioncommittedcommitsizeaudit
git:20261014.9089425 latest2026-10-14 9089425 6,701 BA view · diff
git:20261014.dc05de92026-10-14 dc05de9 6,291 BA view · diff
git:20260913.8c52d042026-09-13 8c52d04 6,279 BA view · diff
git:20260909.4bff0672026-09-09 4bff067 5,179 BA view · diff
git:20260909.fbeeb542026-09-09 fbeeb54 4,939 BA view · diff
git:20260907.991c7662026-09-07 991c766 6,418 BA view · diff
git:20260903.931a3222026-09-03 931a322 7,643 BA view · diff
git:20260819.691b0232026-08-19 691b023 6,974 BA view · diff
git:20260817.7e2f9dd2026-08-17 7e2f9dd 4,569 BA view · diff
git:20260816.477e31f2026-08-16 477e31f 3,973 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (6701 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

foreturn/product-studio · 3 stars · license MIT · pushed 2026-10-14 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_w3xwwnhsft2hss3i
GET https://markdownregistry.com/api/v1/resolve?ref=foreturn/product-studio/database-engineering
GET https://markdownregistry.com/api/v1/blob/597ecf12c49f4248d571d9663452d301b83f4f08c8b331f67a453f5ffa241fea

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in foreturn/product-studio

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