NLSQL MCP SERVER TOOLS

17 tools from the NLSQL MCP Server MCP Server, categorised by risk level.

// ALL 17 NLSQL MCP SERVER TOOLS

READ 10 tools

Read analyze_schema Analyze database schema and structure Read describe_schema Return columns, types, primary/foreign keys, and row counts for the Read get_connection_status Get current database connection status Read get_database_info Get detailed database information including tables, columns, and relationships Read get_table_sample Get sample data from a specific table Read list_tables List tables on a connection. Optional regex `pattern` filters names. Read natural_language_to_sql Convert natural language question to SQL query using AI Read sample_rows Return up to `n` rows from `table` for inspection (default n=5). Read validate_sql Parse-only / EXPLAIN dry run. Returns {valid: bool, error?: str}. Read validate_sql_query Validate SQL query syntax and structure

WRITE 5 tools

Write connect Open a database connection. Returns a `connection_id` to use in Write connect_database Connect to a database (SQLite, PostgreSQL, or MySQL) Write connect_sample_database Connect to the sample NBA database for testing Write disconnect Close a connection opened with `connect`. Write disconnect_database Disconnect from current database

EXECUTE 2 tools

Execute execute_sql Run a SELECT/WITH/EXPLAIN/PRAGMA query. Read-only is enforced. Execute execute_sql_query Execute SQL query on connected database

// FAQ

How many tools does the NLSQL MCP Server MCP server have? +

The NLSQL MCP Server MCP server exposes 17 tools across 3 categories: Read, Write, Execute.

How do I enforce policies on NLSQL MCP Server tools? +

Route the NLSQL MCP Server server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do NLSQL MCP Server tools fall into? +

NLSQL MCP Server tools are categorised as Read (10), Write (5), Execute (2). Each category has a recommended default policy.

Enforce policy on every NLSQL MCP Server tool call.

Start from NLSQL MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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