List all accessible Airtable bases
AI agents call list_bases 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 is a simple query/list operation that retrieves information about bases without creating, modifying, deleting, or executing anything. It has minimal blast radius since it only exposes the names/metadata of bases the user already has access to. Classified as Read with low severity.
From the tool's definition Tool name is 'list_bases' and description states 'List all accessible Airtable bases' — a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List all accessible Airtable bases. 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_bases: 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_bases 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_bases 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_bases. 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_bases 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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