Allows read-only SQL queries against MariaDB databases through OAuth 2.0 PKCE authentication, with per-user credentials that are short-lived and never touch disk.
Allows read-only SQL queries against MySQL databases through OAuth 2.0 PKCE authentication, with per-user credentials that are short-lived and never touch disk.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@db-oauth-mcpshow me the top 10 customers by total orders"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
db-oauth-mcp
Node.js MCP server (TypeScript, distributed as a .mcpb Desktop Extension)
that lets Claude Desktop run read-only SQL against one or more databases,
gated by OAuth 2.0 PKCE. Credentials are per-user, short-lived, and never
touch disk.
Supported engines: MariaDB / MySQL and Microsoft SQL Server. A single OAuth session can expose any number of connections across either engine — the backend decides what to hand out.
This is the Node port of db-oauth-mcp (previously Go). Same OAuth contract, same tool surface, same behavior — but distributed as one platform-neutral zip with no code signing, no cross-compilation, and no native binary.
Status
Under construction. The Go implementation at v0.2.x remains the current recommendation until this repo tags v0.3.0.
Related MCP server: mssql-mcp
Development
Requires Node 18+ and pnpm 10+.
pnpm install
pnpm run typecheck
pnpm run test
pnpm run build
OAUTH_AUTHORIZE_URL=https://auth.example.com/mcp/authorize \
OAUTH_API_BASE_URL=https://api.example.com \
LOG_LEVEL=debug \
node dist/server.jsSee the Go repo README for the OAuth contract, tool documentation, and engine-specific safety rules, all of which are inherited verbatim here.
License
MIT. See LICENSE.
Maintenance
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