Schema | TDengine Query MCP Server

Server Configuration

Describes the environment variables required to run the server.

Name	Required	Description	Default
`LOG_LEVEL`	No	Set the log level (DEBUG, INFO, WARN, ERROR)	INFO
`TDENGINE_HOST`	No	Database host for environment	localhost
`TDENGINE_PORT`	No	Database port	6041
`TDENGINE_TIMEOUT`	No	Set the connection timeout in seconds	30
`TDENGINE_DATABASE`	No	Database name	log
`TDENGINE_PASSWORD`	No	Database password	taosdata
`TDENGINE_USERNAME`	No	Database username	root

Capabilities

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Tools

Functions exposed to the LLM to take actions

Name	Description
test_table_exists	Important: Check if the `stable` exists in the current `Taos database(涛思数据库)` configuration. Args: stable_name (str): The name of the stable. Returns: Dict: The `stable_name` exists or not in the current Taos configuration. If the `stable_name` does not exist, an empty dictionary is returned. The key of the dictionary is the `stable_name` name, and the value is a boolean indicating whether the `stable_name` exists.
get_all_dbs	Get all databases. `Returns: TaosSqlResponse: All databases in the current Taos configuration.`
get_all_stables	Get all stables. `Args: db_name (Optional[str]): The name of the database. Defaults to None. When the value is None, it means the configured database is used. Returns: TaosSqlResponse: All stables in the current Taos database.`
switch_db	Switch to the specified database. Args: db_name (str): The name of the database to switch to. Returns: TaosSqlResponse: The result of the `USE` command.
get_field_infos	Get the field information of the specified stable. `Args: db_name (Optional[str]): The name of the database. Defaults to None. When the value is None, it means the configured database is used. stable_name (str): The name of the stable. Returns: TaosSqlResponse: The field information of the specified stable.`
query_taos_db_data	Important: Run a read-only SQL query on `Taos database(涛思数据库)`. `Args: sql_stmt (str): The sql statement you want to retrieve data from taos db. Returns: List: All data from the specified table.`

Prompts

Interactive templates invoked by user choice

Name	Description
`taos_query`	A guide to steer llm how to query Taos(涛思) database.
`describe_query_prompt`	Generate a prompt to ask an LLM to explain what a given SQL query does. Args: query: The SQL query string. Returns: A list containing a prompt message to explain the query.

Resources

Contextual data attached and managed by the client

Name	Description
`get_current_taos_database`	Get current mysql database.
`get_current_db_all_taos_schema`	Provide all schema in the current database.

TDengine Query MCP Server

Server Configuration

Capabilities

Tools

Prompts

Resources

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