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tdengine-mcp-server

v0.1.0

Published

MCP server for TDengine using WebSocket connector

Downloads

22

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Maintainers

xiangagouxiangagou

Keywords

Readme

tdengine-mcp-server

MCP server for TDengine using the official @tdengine/websocket connector.

Inspired by the DBHub MCP server design, but focused on TDengine only.

Features

  • execute_sql: Execute SQL with optional read-only guardrails.
  • search_objects: List databases, stables, tables, and columns with pattern matching.
  • Supports stdio and http transport.

Requirements

  • Node.js >= 18
  • TDengine with taosAdapter (WebSocket) enabled

Install

npm install

Configuration

Set a DSN and optional guardrails via env or CLI:

  • TDENGINE_DSN or --dsn
    • Example: ws://root:taosdata@localhost:6041/power
  • TDENGINE_READ_ONLY or --read-only
  • TDENGINE_MAX_ROWS or --max-rows
  • TDENGINE_QUERY_TIMEOUT_MS or --query-timeout-ms
  • TDENGINE_CONNECT_TIMEOUT_MS or --connect-timeout-ms
  • TRANSPORT or --transport (stdio or http)
  • PORT or --port (for HTTP)

You can also provide credentials separately:

  • TDENGINE_USER
  • TDENGINE_PASSWORD
  • TDENGINE_DB
  • TDENGINE_TOKEN

See .env.example for a ready-to-use template.

Run (stdio)

TDENGINE_DSN="ws://root:taosdata@localhost:6041/power" npm run dev

Run (http)

TDENGINE_DSN="ws://root:taosdata@localhost:6041/power" TRANSPORT=http PORT=8080 npm run dev

HTTP endpoint:

  • POST /mcp
  • GET /healthz

Build

npm run build
npm start -- --transport=stdio --dsn "ws://root:taosdata@localhost:6041/power"