keychaincredential_delete
Delete an SSH credential or keypair
This record as markdown: /tools/nasbridge/keychaincredential-delete.md
What keychaincredential_delete does on Nasbridge
AI agents call keychaincredential_delete to permanently remove resources in Nasbridge, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why keychaincredential_delete is rated Critical
Deleting SSH credentials or keypairs is a destructive action that permanently removes authentication material. This cannot be reversed and could break system access, automation workflows, or security configurations. While not as severe as deleting data volumes, it causes irreversible harm to system authentication infrastructure.
From the tool's definition Tool name includes 'delete' and description states 'Delete an SSH credential or keypair' - this is an irreversible deletion of authentication material that cannot be undone.
Attacks that exploit this kind of access
The rule that runs keychaincredential_delete safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nasbridge, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For keychaincredential_delete, this is the rule to start with:
keychaincredential_delete is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Nasbridge, apply this rule, and every keychaincredential_delete call is checked against it from then on.
Questions about keychaincredential_delete
Delete an SSH credential or keypair. It is categorised as a Destructive tool in the Nasbridge MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Nasbridge MCP server in PolicyLayer and add a rule for keychaincredential_delete: 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 Nasbridge. Nothing to install.
keychaincredential_delete 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 keychaincredential_delete 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 keychaincredential_delete. 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.
keychaincredential_delete is provided by the Nasbridge MCP server (maverick0628/nasbridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Nasbridge, and thousands of servers like it.
Across the catalogue