deleteApplicationRoleWithId
Hard deletes an application role. This is a dangerous operation and should not be used in most circumstances. This permanently removes the given role from all users that had it.
This record as markdown: /tools/io-fusionauth-mcp-api/deleteapplicationrolewithid.md
What deleteApplicationRoleWithId does on Fusionauth
AI agents call deleteApplicationRoleWithId to permanently remove resources in Fusionauth, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why deleteApplicationRoleWithId is rated Critical
The tool explicitly performs a hard delete operation that is irreversible and affects all users with the role. The description itself warns this is 'dangerous' and 'permanent'. This is a canonical destructive operation (permanent data removal affecting multiple entities), making it more severe than Execute or Write.
From the tool's definition Hard deletes an application role. This is a dangerous operation and should not be used in most circumstances. This permanently removes the given role from all users that had it.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs deleteApplicationRoleWithId safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Fusionauth, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For deleteApplicationRoleWithId, this is the rule to start with:
deleteApplicationRoleWithId 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 Fusionauth, apply this rule, and every deleteApplicationRoleWithId call is checked against it from then on.
Questions about deleteApplicationRoleWithId
Hard deletes an application role. This is a dangerous operation and should not be used in most circumstances. This permanently removes the given role from all users that had it. It is categorised as a Destructive tool in the Fusionauth MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Fusionauth MCP server in PolicyLayer and add a rule for deleteApplicationRoleWithId: 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 Fusionauth. Nothing to install.
deleteApplicationRoleWithId 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 deleteApplicationRoleWithId 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 deleteApplicationRoleWithId. 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.
deleteApplicationRoleWithId is provided by the Fusionauth MCP server (@fusionauth/mcp-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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