xano_list_tables
AI agents call xano_list_tables to retrieve information from Xano 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 and enumerates tables from a Xano database schema without modifying data. Although the description is empty, the semantic meaning of 'list' combined with the browsing/query nature of sibling tools indicates a Read operation. Severity is low because it cannot modify or delete data, nor execute arbitrary operations—it only provides informational access to table structure.
From the tool's definition Tool name 'xano_list_tables' indicates a listing/retrieval operation. The absence of keywords like 'create', 'delete', 'update', 'drop', or 'execute' suggests read-only intent.
Attacks that exploit this kind of access
xano_list_tables. It is categorised as a Read tool in the Xano MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Xano MCP Server MCP server in PolicyLayer and add a rule for xano_list_tables: 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 Xano MCP Server. Nothing to install.
xano_list_tables 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 xano_list_tables 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 xano_list_tables. 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.
xano_list_tables is provided by the Xano MCP Server MCP server (roboulos/simple-xano-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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