# MCP tool list > List of tools Holistics MCP Server makes available to your external AI apps List of tools the Holistics MCP Server makes available to your external AI assistants. Tool Description Reporting Development list_datasets List available datasets (unames, labels, descriptions, tags). ✓ ✓ fetch_dataset Fetch full details of a dataset: dimensions, measures, models, relationships, and analytics contexts. ✓ ✓ explore_dataset Explore a dataset interactively. ✓ ✓ fetch_sample_data Fetch sample values of a model dimension to understand its data shape. ✓ ✓ lookup_values Look up exact values of a model dimension for use in AQL filters. ✓ ✓ generate_aql Generate an AQL query for a dataset from a natural language question. ✓ ✓ validate_aql Validate an AQL query and return any syntax or semantic errors. ✓ ✓ execute_aql Execute an AQL query and return the result data. ✓ ✓ explain_result Explain or surface insights from a query result. ✓ ✓ generate_viz Generate an AML Viz definition from a natural language description. ✓ ✓ execute_viz Execute an AML Viz and return the visualized result. ✓ ✓ search_dashboards Search dashboards by query (returns unames, titles, descriptions, tags). ✓ — search_viz_blocks Search viz blocks by query (returns label, description, tags, AML Viz, AQL). ✓ — execute_viz_block Execute a viz block. ✓ ✓ list_data_sources List all data sources with their name and database type. ✓ ✓ list_data_source_schemas List all schema names in a data source. ✓ ✓ read_data_source_schema List all tables within a schema. ✓ ✓ read_data_source_table_schema Read a table's columns, types, and constraints (PKs, FKs, unique). ✓ ✓ search_docs Search Holistics documentation (AML, AQL, datasets, visualizations, etc.). ✓ ✓ list_skills List available automatic skills with their IDs and descriptions. ✓ ✓ load_skill Load the full content of a skill by ID. ✓ ✓ fetch_org_context Fetch AI context and instructions set by your organization. ✓ ✓ fetch_context Fetch a specific context chunk by ID. ✓ ✓