delete_credentials_saml
AI agents call delete_credentials_saml to permanently remove resources in Looker MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Deletion of authentication credentials is irreversible and cannot be undone. This falls under the Destructive category (deletes data that cannot be recovered). The severity is high because improper deletion of SAML credentials could disrupt authentication systems and user access, though the blast radius depends on whether the credentials are actively in use.
From the tool's definition Tool name is 'delete_credentials_saml' which explicitly performs a delete operation on SAML credentials, an irreversible action. The empty description prevents confirmation of scope, but the naming convention is unambiguous.
Attacks that exploit this kind of access
delete_credentials_saml. It is categorised as a Destructive tool in the Looker MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Looker MCP Server MCP server in PolicyLayer and add a rule for delete_credentials_saml: 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 Looker MCP Server. Nothing to install.
delete_credentials_saml 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_credentials_saml 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_credentials_saml. 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_credentials_saml is provided by the Looker MCP Server MCP server (ultrathink-solutions/looker-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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