Deletes a call
AI agents call delete_call to permanently remove resources in RetellAI MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes call records or associated data without the ability to undo the action. Deletion of communication records is irreversible and could result in loss of important business or compliance data. While not involving financial transactions or system compromise, the irreversible nature and potential data loss impact justify 'Destructive' classification and 'high' severity.
From the tool's definition Tool name 'delete_call' with description 'Deletes a call' — the verb 'delete' indicates irreversible removal of call data/records.
Attacks that exploit this kind of access
Deletes a call. It is categorised as a Destructive tool in the RetellAI MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the RetellAI MCP Server MCP server in PolicyLayer and add a rule for delete_call: 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 RetellAI MCP Server. Nothing to install.
delete_call is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_call 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 delete_call. 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.
delete_call is provided by the RetellAI MCP Server MCP server (kuba2290/abhaybabbar_retellai-mcp-server). 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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