Database Design

Community

thiientv

database-design

Designs or reviews relational, document, key-value, graph, or search data models with ownership, invariants, access paths, migrations, consistency, retention, privacy, and recovery behavior. Use for schema changes, new data stores, indexes, migrations, persistence boundaries, or query-driven design. Not for a query-only bug without a model change or for API contract design.

Overview

Publisher	thiientv
Repository	`godmode`
Skill name	`database-design`
Stars	99
Forks	76
Bundled files	1
License	MIT
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
1 bundled files
Scripts, templates, and references the model can read while it works. Files are read-only and never executed.
Open source
Published by thiientv on GitHub. Read the source before you install it.

Installation

Install the Database Design AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/thiientv/godmode/tree/main/skills/database-design
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/thiientv/godmode.git /tmp/godmode
mkdir -p .claude/skills
cp -r /tmp/godmode/skills/database-design .claude/skills/database-design

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Database Design in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Database Design on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Database Design is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Database Design

Start from invariants and access patterns; a schema is an operational contract.

Design sequence

Identify entities, ownership, lifecycle, source of truth, cardinality, and deletion/retention rules.
Write invariants and transaction boundaries before choosing tables or collections.
Map real reads, writes, filters, sorts, joins, uniqueness, and expected scale. Add indexes for measured access paths, not guesses.
Decide consistency, isolation, idempotency, concurrency, and failure recovery at each boundary.
Design an expand-migrate-contract migration: backward-compatible expand, backfill/dual-write when needed, cutover, verification, and cleanup.
Protect sensitive data with least privilege, encryption, minimization, auditability, and retention limits.

Read schema-checklist.md. Include rollback, backup/restore, lock duration, online migration behavior, and observability in the plan. Treat production data as irreplaceable unless a tested recovery path proves otherwise.

Evidence

Use representative query plans, migration rehearsal on a safe fixture, invariant tests, concurrency checks, and restore evidence. A migration that applies once is not proven safe to roll forward, retry, or roll back.

Completion condition

The model's invariants, access paths, migration lifecycle, privacy boundary, recovery path, and proof commands are explicit.

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

references/schema-checklist.md1 KB

Frequently asked questions

What does the Database Design AI skill do?

Why use Database Design on TypingMind?

Because you install it once and use it with any model. Database Design is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Database Design in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/thiientv/godmode/tree/main/skills/database-design. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Database Design?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Database Design?

As many as you like. As long as a model supports skills, you can use Database Design with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Database Design AI skill free?

Yes. It is published on GitHub by thiientv under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Database Design

Design sequence

Evidence

Completion condition

Bundled files

Frequently asked questions

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