Mark a gathering as cancelled. Works from any non-terminal state (draft, awaiting_responses, live, rescheduled). Records the cancellation reason in the audit log if provided. Already-issued invites stay in the database (audit trail) but the RSVP page will show the gathering as cancelled. Requires...
Risk signalsHandles credentials or secrets (api_key)
Part of the Lyra Mcp Server server.
Free to start. No card required.
AI agents may call lyra_cancel_gathering to permanently remove or destroy resources in Lyra Mcp Server. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.
Without a policy, an AI agent could call lyra_cancel_gathering in a loop, permanently destroying resources in Lyra Mcp Server. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.
Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.
{
"version": "1",
"default": "deny",
"hide": [
"lyra_cancel_gathering"
]
}See the full Lyra Mcp Server policy for all 34 tools.
These attack patterns abuse exactly the kind of access lyra_cancel_gathering gives an agent. Each links to the full case and the policy that stops it:
Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Mark a gathering as cancelled. Works from any non-terminal state (draft, awaiting_responses, live, rescheduled). Records the cancellation reason in the audit log if provided. Already-issued invites stay in the database (audit trail) but the RSVP page will show the gathering as cancelled. Requires API key authentication.. It is categorised as a Destructive tool in the Lyra Mcp Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Lyra Mcp Server MCP server in PolicyLayer and add a rule for lyra_cancel_gathering: 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 Lyra Mcp Server. Nothing to install.
lyra_cancel_gathering 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 lyra_cancel_gathering 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 lyra_cancel_gathering. 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.
lyra_cancel_gathering is provided by the Lyra Mcp Server MCP server (https://mcp.checklyra.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 34 Lyra Mcp Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.