# Relational Database Web Cloudbase

[Deprecated] Existing CloudBase MySQL Web SDK only.

- Repository: https://github.com/TencentCloudBase/CloudBase-AI-Toolkit (1153 stars)
- Category: Engineering
- License: MIT
- Last updated: 2026-11-01
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add TencentCloudBase/CloudBase-AI-Toolkit --skill relational-database-web-cloudbase -g -a claude-code -y`
Codex: `npx skills add TencentCloudBase/CloudBase-AI-Toolkit --skill relational-database-web-cloudbase -g -a codex -y`
Cursor: `npx skills add TencentCloudBase/CloudBase-AI-Toolkit --skill relational-database-web-cloudbase -g -a cursor -y`
Gemini CLI: `npx skills add TencentCloudBase/CloudBase-AI-Toolkit --skill relational-database-web-cloudbase -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add TencentCloudBase/CloudBase-AI-Toolkit`

## Description

[Deprecated] Existing CloudBase MySQL Web SDK only. Do not recommend MySQL for new relational apps, use postgresql-development and app.rdb(). Read this only when a browser app must keep using @cloudbase/js-sdk against an environment that already has MySQL.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

## Sibling skills (local only)

Sibling CloudBase skills ship beside this skill. Use local relative paths such as `../auth-tool-cloudbase/SKILL.md`.

If a referenced sibling skill file is missing from this environment, ask the user to install the full CloudBase plugin (or the missing skill). Do **not** HTTP-fetch remote skill or protocol markdown into the agent context.

# CloudBase Relational Database Web SDK

## Activation Contract

### Use this first when

- A browser or Web app must keep using `@cloudbase/js-sdk` against an environment that **already has** CloudBase MySQL.
- Do **not** choose this skill for a new relational app. New relational Web work uses `postgresql-development-cloudbase` and `app.rdb()`.

### Read before writing code if

- You need to distinguish browser SDK usage from MCP database management or backend Node access.
- The request mentions Supabase migration, shared frontend DB client, or browser-side table queries.

### Then also read

- MySQL SQL management and MCP operations -> `../relational-database-mcp-cloudbase/SKILL.md`
- Web auth/login -> `../auth-web-cloudbase/SKILL.md`
- General Web app setup -> `../web-development/SKILL.md`

### Do NOT use for

- MCP-based SQL management, schema changes, or permissions management (provisioning is not offered through MCP).
- Backend/Node service access.
- Document database operations.

### Common mistakes / gotchas

- Initializing SDKs in an MCP management flow.
- Treating `app` itself as the relational database client.
- Re-initializing CloudBase in every component.
- Mixing frontend browser access with admin-style schema mutations.

### Minimal checklist

The rest: https://github.com/TencentCloudBase/CloudBase-AI-Toolkit/blob/HEAD/config/.claude/skills/relational-database-web-cloudbase/SKILL.md