hologres-mcp-server-cli

name	hologres-mcp-server-cli
description	CLI for the hologres-mcp-server MCP server. Call tools, list resources, and get prompts.

hologres-mcp-server CLI

Tool Commands

execute_hg_select_sql

Execute SELECT SQL to query data from Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool execute_hg_select_sql --query <value>

Flag	Type	Required	Description
--query	string	yes	The (SELECT) SQL query to execute in Hologres database.

execute_hg_select_sql_with_serverless

Use Serverless Computing resources to execute SELECT SQL to query data in Hologres database. When the error like 'Total memory used by all existing queries exceeded memory limitation' occurs during execute_hg_select_sql execution, you can re-execute the SQL with this tool.

uv run --with fastmcp python hologres_mcp_cli.py call-tool execute_hg_select_sql_with_serverless --query <value>

Flag	Type	Required	Description
--query	string	yes	The (SELECT) SQL query to execute with serverless computing in Hologres database

execute_hg_dml_sql

Execute (INSERT, UPDATE, DELETE, REFRESH DYNAMIC TABLE) SQL to insert, update, delete data, and refresh dynamic tables in Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool execute_hg_dml_sql --query <value>

Flag	Type	Required	Description
--query	string	yes	The DML SQL query to execute in Hologres database

execute_hg_ddl_sql

Execute (CREATE, ALTER, DROP) SQL statements to CREATE, ALTER, or DROP tables, views, procedures, GUCs etc. in Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool execute_hg_ddl_sql --query <value>

Flag	Type	Required	Description
--query	string	yes	The DDL SQL query to execute in Hologres database

gather_hg_table_statistics

Execute the ANALYZE TABLE command to have Hologres collect table statistics, enabling QO to generate better query plans.

uv run --with fastmcp python hologres_mcp_cli.py call-tool gather_hg_table_statistics --schema-name <value> --table <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name in Hologres database
--table	string	yes	Table name in Hologres database

get_hg_query_plan

Get query plan for a SQL query in Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_query_plan --query <value>

Flag	Type	Required	Description
--query	string	yes	The SQL query to analyze in Hologres database

get_hg_execution_plan

Get actual execution plan with runtime statistics for a SQL query in Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_execution_plan --query <value>

Flag	Type	Required	Description
--query	string	yes	The SQL query to analyze in Hologres database

call_hg_procedure

Call a stored procedure in Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool call_hg_procedure --procedure-name <value> --procedure-args <value>

Flag	Type	Required	Description
--procedure-name	string	yes	The name of the stored procedure to call in Hologres database
--procedure-args	string	no	The arguments to pass to the stored procedure in Hologres database (JSON string)

create_hg_maxcompute_foreign_table

Create a MaxCompute foreign table in Hologres database to accelerate queries on MaxCompute data.

uv run --with fastmcp python hologres_mcp_cli.py call-tool create_hg_maxcompute_foreign_table --maxcompute-project <value> --maxcompute-tables <value> --maxcompute-schema <value> --local-schema <value>

Flag	Type	Required	Description
--maxcompute-project	string	yes	The MaxCompute project name (required)
--maxcompute-tables	array[string]	yes	The MaxCompute table names (required)
--maxcompute-schema	string	no	The MaxCompute schema name (optional, default: 'default')
--local-schema	string	no	The local schema name in Hologres (optional, default: 'public')

list_hg_schemas

List all schemas in the current Hologres database, excluding system schemas.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_schemas

list_hg_tables_in_a_schema

List all tables in a specific schema in the current Hologres database, including their types (table, view, foreign table, partitioned table).

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_tables_in_a_schema --schema-name <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name to list tables from in Hologres database

show_hg_table_ddl

Show DDL script for a table, view, or foreign table in Hologres database.

uv run --with fastmcp python hologres_mcp_cli.py call-tool show_hg_table_ddl --schema-name <value> --table <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name in Hologres database
--table	string	yes	Table name in Hologres database

query_and_plotly_chart

Execute a SELECT SQL query and generate a chart from the results. Returns both the query result data and a base64-encoded PNG image of the chart.

uv run --with fastmcp python hologres_mcp_cli.py call-tool query_and_plotly_chart --query <value> --chart-type <value> --x-column <value> --y-column <value> --title <value>

Flag	Type	Required	Description
--query	string	yes	The SELECT SQL query to execute
--chart-type	string	no	Chart type: 'bar', 'line', 'scatter', 'pie', 'histogram', 'area'
--x-column	string	no	Column name for X axis (uses first column if not specified)
--y-column	string	no	Column name for Y axis (uses second column if not specified)
--title	string	no	Chart title

analyze_hg_query_by_id

Analyze a specific query's performance profile by its query_id from hg_query_log. Returns detailed metrics including duration, memory usage, CPU time, read/write stats, and execution plan.

uv run --with fastmcp python hologres_mcp_cli.py call-tool analyze_hg_query_by_id --query-id <value>

Flag	Type	Required	Description
--query-id	string	yes	The query_id from hg_query_log to analyze

get_hg_slow_queries

Get slow queries from hg_query_log ordered by duration. Useful for identifying performance bottlenecks.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_slow_queries --min-duration-ms <value> --limit <value>

Flag	Type	Required	Description
--min-duration-ms	integer	no	Minimum query duration in milliseconds to filter (default 1000)
--limit	integer	no	Maximum number of queries to return (default 20)

list_hg_dynamic_tables

List all Dynamic Tables with their status, freshness settings, and last refresh info.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_dynamic_tables --schema-name <value>

Flag	Type	Required	Description
--schema-name	string	no	Schema name to filter (empty for all schemas)

get_hg_dynamic_table_refresh_history

Get refresh history for a specific Dynamic Table, including duration, status, and latency.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_dynamic_table_refresh_history --schema-name <value> --table-name <value> --limit <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name of the dynamic table
--table-name	string	yes	Dynamic table name
--limit	integer	no	Maximum number of history records (default 10)

list_hg_recyclebin

List all tables in the Hologres recycle bin (dropped tables that can be restored).

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_recyclebin

restore_hg_table_from_recyclebin

Restore a dropped table from the Hologres recycle bin. Only works if the table is still in the recycle bin.

uv run --with fastmcp python hologres_mcp_cli.py call-tool restore_hg_table_from_recyclebin --table-name <value> --schema-name <value>

Flag	Type	Required	Description
--table-name	string	yes	The original table name to restore from recycle bin
--schema-name	string	no	Schema name of the table (default 'public')

list_hg_warehouses

List all computing groups (warehouses) in the Hologres instance, including their CPU, memory, cluster count, and status.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_warehouses

switch_hg_warehouse

Switch the current session's computing resource to a specified warehouse (computing group). Use 'local' for the default computing group.

uv run --with fastmcp python hologres_mcp_cli.py call-tool switch_hg_warehouse --warehouse-name <value>

Flag	Type	Required	Description
--warehouse-name	string	yes	The warehouse (computing group) name to switch to

get_hg_table_storage_size

Get storage size details of a table, including total size, data, index, and metadata breakdown.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_table_storage_size --schema-name <value> --table <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name in Hologres database
--table	string	yes	Table name in Hologres database

cancel_hg_query

Cancel or terminate a running query by its process ID. Use list_hg_active_queries to find the pid first.

uv run --with fastmcp python hologres_mcp_cli.py call-tool cancel_hg_query --pid <value> --terminate

Flag	Type	Required	Description
--pid	integer	yes	The process ID (pid) of the query to cancel
--terminate	boolean	no	If True, forcefully terminate the backend process (default False, just cancel the query)

list_hg_active_queries

List currently active queries and connections from pg_stat_activity. Useful for monitoring running queries and finding PIDs to cancel.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_active_queries --state <value>

Flag	Type	Required	Description
--state	string	no	Filter by state: 'active', 'idle', 'all' (default 'active')

list_hg_query_queues

List all Query Queues and their classifiers, showing concurrency limits, queue sizes, and routing rules. Requires Hologres V3.0+.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_query_queues

get_hg_table_properties

Get table properties including distribution_key, clustering_key, segment_key, bitmap_columns, dictionary_columns, binlog settings, etc.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_table_properties --schema-name <value> --table <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name in Hologres database
--table	string	yes	Table name in Hologres database

get_hg_table_shard_info

Get table's Table Group and shard count info. Useful for diagnosing data skew and shard configuration.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_table_shard_info --schema-name <value> --table <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name in Hologres database
--table	string	yes	Table name in Hologres database

list_hg_external_databases

List all External Databases (federated databases for Lakehouse acceleration). Requires Hologres V3.0+.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_external_databases

get_hg_lock_diagnostics

Diagnose lock contention by showing blocking and waiting queries. Useful for identifying lock waits that cause query hangs.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_lock_diagnostics

get_hg_table_info_trend

Get table storage trend from hg_table_info, showing daily storage size, file count, and row count changes. Data is T+1, retained for 30 days.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_table_info_trend --schema-name <value> --table <value> --days <value>

Flag	Type	Required	Description
--schema-name	string	yes	Schema name in Hologres database
--table	string	yes	Table name in Hologres database
--days	integer	no	Number of days to look back (default 7)

manage_hg_query_queue

Create, drop, or clear a Query Queue. Requires Hologres V3.0+ and superuser privileges.

uv run --with fastmcp python hologres_mcp_cli.py call-tool manage_hg_query_queue --action <value> --queue-name <value> --max-concurrency <value> --max-queue-size <value>

Flag	Type	Required	Description
--action	string	yes	Action: 'create', 'drop', or 'clear'
--queue-name	string	yes	Name of the query queue
--max-concurrency	integer	no	Max concurrency for the queue (required for 'create')
--max-queue-size	integer	no	Max queue size (required for 'create')

manage_hg_classifier

Create or drop a classifier for a Query Queue. Use set_hg_query_queue_property to configure classifier rules after creation. Requires Hologres V3.0+.

uv run --with fastmcp python hologres_mcp_cli.py call-tool manage_hg_classifier --action <value> --queue-name <value> --classifier-name <value> --priority <value>

Flag	Type	Required	Description
--action	string	yes	Action: 'create' or 'drop'
--queue-name	string	yes	Name of the query queue the classifier belongs to
--classifier-name	string	yes	Name of the classifier
--priority	integer	no	Priority for the classifier (required for 'create', higher = matched first)

set_hg_query_queue_property

Set or remove properties on a Query Queue or classifier. For classifier rules, use property_key as condition_name and property_value as condition_value. Requires Hologres V3.0+.

uv run --with fastmcp python hologres_mcp_cli.py call-tool set_hg_query_queue_property --target <value> --queue-name <value> --property-key <value> --property-value <value> --classifier-name <value> --action <value>

Flag	Type	Required	Description
--target	string	yes	Target type: 'queue' or 'classifier'
--queue-name	string	yes	Name of the query queue
--property-key	string	yes	Property key to set (e.g. 'max_concurrency', 'query_timeout_ms' for queue; 'condition_name' for classifier rule)
--property-value	string	yes	Property value to set
--classifier-name	string	no	Classifier name (required when target='classifier')
--action	string	no	Action: 'set' to add/update, 'remove' to delete the property (default 'set')

manage_hg_warehouse

Manage a computing group (warehouse): suspend, resume, restart, rename, or resize. Requires superuser privileges.

uv run --with fastmcp python hologres_mcp_cli.py call-tool manage_hg_warehouse --action <value> --warehouse-name <value> --cu <value> --new-name <value>

Flag	Type	Required	Description
--action	string	yes	Action: 'suspend', 'resume', 'restart', 'rename', or 'resize'
--warehouse-name	string	yes	Name of the warehouse (computing group)
--cu	integer	no	CU count for resize action
--new-name	string	no	New name for rename action

get_hg_warehouse_status

Get detailed running status and scaling progress of a computing group (warehouse).

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_warehouse_status --warehouse-name <value>

Flag	Type	Required	Description
--warehouse-name	string	yes	Name of the warehouse (computing group)

rebalance_hg_warehouse

Trigger shard rebalancing for a computing group to eliminate data skew across nodes.

uv run --with fastmcp python hologres_mcp_cli.py call-tool rebalance_hg_warehouse --warehouse-name <value>

Flag	Type	Required	Description
--warehouse-name	string	yes	Name of the warehouse (computing group) to rebalance

list_hg_data_masking_rules

List all data masking rules configured via hg_anon extension, including column-level and user-level masking labels.

uv run --with fastmcp python hologres_mcp_cli.py call-tool list_hg_data_masking_rules

query_hg_external_files

Query files directly from OSS using EXTERNAL_FILES function without creating foreign tables. Requires Hologres V4.1+. Supports CSV, Parquet, ORC formats.

uv run --with fastmcp python hologres_mcp_cli.py call-tool query_hg_external_files --path <value> --format <value> --columns <value> --oss-endpoint <value> --role-arn <value>

Flag	Type	Required	Description
--path	string	yes	OSS path, e.g. 'oss://bucket/path/to/files'
--format	string	yes	File format: 'csv', 'parquet', or 'orc'
--columns	string	no	Optional column definitions for AS clause, e.g. 'id int, name text'. Leave empty for auto schema inference.
--oss-endpoint	string	no	OSS endpoint (internal), e.g. 'oss-cn-hangzhou-internal.aliyuncs.com'. Leave empty if already configured.
--role-arn	string	no	RAM role ARN for accessing OSS. Leave empty if already configured.

get_hg_guc_config

Get the current value of a GUC (Grand Unified Configuration) parameter.

uv run --with fastmcp python hologres_mcp_cli.py call-tool get_hg_guc_config --guc-name <value>

Flag	Type	Required	Description
--guc-name	string	yes	The GUC parameter name to query, e.g. 'hg_computing_resource', 'statement_timeout', 'hg_experimental_enable_fixed_dispatcher'

Utility Commands

uv run --with fastmcp python hologres_mcp_cli.py list-tools
uv run --with fastmcp python hologres_mcp_cli.py list-resources
uv run --with fastmcp python hologres_mcp_cli.py read-resource <uri>
uv run --with fastmcp python hologres_mcp_cli.py list-prompts
uv run --with fastmcp python hologres_mcp_cli.py get-prompt <name> [key=value ...]