List all cached schemas with their cache IDs and metadata
AI agents call list_cached_schemas to retrieve information from Airtable MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation that retrieves and lists existing cached schema metadata. It has no side effects, does not modify data, and does not execute code or trigger external operations. The blast radius is minimal—an AI agent misusing this tool could only over-query cached schema lists, which is a low-severity information disclosure risk. It belongs firmly in the Read category.
From the tool's definition Tool name 'list_cached_schemas' and description 'List all cached schemas with their cache IDs and metadata' indicate a retrieval operation that queries cached schema information without modifying, deleting, or executing operations.
Attacks that exploit this kind of access
List all cached schemas with their cache IDs and metadata. It is categorised as a Read tool in the Airtable MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Airtable MCP Server MCP server in PolicyLayer and add a rule for list_cached_schemas: 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 Airtable MCP Server. Nothing to install.
list_cached_schemas 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 list_cached_schemas 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 list_cached_schemas. 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.
list_cached_schemas is provided by the Airtable MCP Server MCP server (loticdigital/airtable-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.
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