TiDB MCP-Server

TiDB MCP Server

A Model Context Protocol (MCP) server for TiDB that allows executing SELECT queries through MCP tools.

Features

Execute SELECT queries on TiDB
Secure connection via environment variables
Lightweight and easy to use

Prerequisites

Node.js 16+
TiDB instance

Installation

Installing via Smithery

To install TiDB Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @l1806858547/tidb-server --client claude

Via npx

npx tidb-mcp-server

Global installation

npm install -g tidb-mcp-server
tidb-mcp-server

Configuration

Set these environment variables before running:

export TIDB_HOST="your_tidb_host"
export TIDB_PORT="your_tidb_port" 
export TIDB_USER="your_username"
export TIDB_PASS="your_password"
export TIDB_DB="your_database"

# Optional operation permissions (default: false)
export ALLOW_INSERT_OPERATION="false"  # Set to "true" to allow INSERT operations
export ALLOW_UPDATE_OPERATION="false"  # Set to "true" to allow UPDATE operations 
export ALLOW_DELETE_OPERATION="false"  # Set to "true" to allow DELETE operations

WARNING: Enabling these operations may expose your database to modification risks.
Only enable what you need and ensure proper access controls are in place.

Usage

Start the server:

tidb-server

Add to MCP configuration (cline_mcp_settings.json):

{
  "mcpServers": {
    "tidb-server": {
      "command": "npx",
      "args": ["-y", "tidb-mcp-server"], # Also adding the -y flag for consistency
      "env": {
        "TIDB_HOST": "your_tidb_host",
        "TIDB_PORT": "your_tidb_port",
        "TIDB_USER": "your_username",
        "TIDB_PASS": "your_password",
        "TIDB_DB": "your_database"
      }
    }
  }
}

Use the MCP tool:

const result = await use_mcp_tool({
  server_name: 'tidb-server',
  tool_name: 'tidb_query', 
  arguments: {
    sql: 'SELECT * FROM your_table LIMIT 10'
  }
});

Development

Clone the repo:

git clone https://github.com/l1806858547/tidb-server.git
cd tidb-server

Install dependencies:

npm install

Build:

npm run build

Run:

node build/index.js

License

MIT

Install Server

HTTP connection URL

security – no known vulnerabilities

license - not found

quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

tidb_query

Ein Model Context Protocol-Server, der die Ausführung von SELECT-Abfragen in TiDB-Datenbanken ermöglicht, mit optionaler Unterstützung für INSERT-, UPDATE- und DELETE-Operationen, wenn diese explizit aktiviert sind.

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