// MCP TOOL REFERENCE

CLICKHOUSE TOOLS

4 tools from the ClickHouse MCP Server, categorised by risk level.

View the ClickHouse policy →

READ TOOLS

2
list_databases List all databases on ClickHouse cluster 2/5 list_tables List tables in a database with metadata 2/5

EXECUTE TOOLS

2
run_chdb_select_query Execute SQL queries using chDB embedded engine 4/5 run_query Execute SQL queries on ClickHouse cluster 5/5
// FAQ
How many tools does the ClickHouse MCP server have? +

The ClickHouse MCP server exposes 4 tools across 2 categories: Read, Execute.

How do I enforce policies on ClickHouse tools? +

Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the ClickHouse server.

What risk categories do ClickHouse tools fall into? +

ClickHouse tools are categorised as Read (2), Execute (2). Each category has a recommended default policy.

Enforce policies on ClickHouse

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.