Returns the full DDL (CREATE TABLE statements) of the database to understand the complete schema structure.
AI agents call get_schema_ddl to retrieve information from SQLite MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves schema metadata (CREATE TABLE statements) to help understand database structure. It performs no mutations, deletions, or code execution. While it may expose sensitive schema information, the action itself is purely informational and read-only, making it a Read category risk with low severity.
From the tool's definition Tool name 'get_schema_ddl' and description 'Returns the full DDL (CREATE TABLE statements)' indicate a retrieval operation with no side effects. DDL retrieval is a read-only inspection action.
Attacks that exploit this kind of access
Returns the full DDL (CREATE TABLE statements) of the database to understand the complete schema structure. It is categorised as a Read tool in the SQLite MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SQLite MCP Server MCP server in PolicyLayer and add a rule for get_schema_ddl: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches SQLite MCP Server. Nothing to install.
get_schema_ddl is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_schema_ddl rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_schema_ddl. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_schema_ddl is provided by the SQLite MCP Server MCP server (u1pns/sqlite-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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