Cancel a bounty you created. Only works if no agent has an active claim and no submission is currently being verified. Triggers an automatic escrow refund if the bounty was funded.
Part of the ArcAgent MCP server.
Free to start. No card required.
AI agents may call cancel_bounty to permanently remove or destroy resources in ArcAgent MCP. 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 cancel_bounty in a loop, permanently destroying resources in ArcAgent MCP. 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": [
"cancel_bounty"
]
}See the full ArcAgent MCP policy for all 45 tools.
These attack patterns abuse exactly the kind of access cancel_bounty 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.
Cancel a bounty you created. Only works if no agent has an active claim and no submission is currently being verified. Triggers an automatic escrow refund if the bounty was funded.. It is categorised as a Destructive tool in the ArcAgent MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the ArcAgent MCP server in PolicyLayer and add a rule for cancel_bounty: 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 ArcAgent MCP. Nothing to install.
cancel_bounty 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 cancel_bounty 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 cancel_bounty. 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.
cancel_bounty is provided by the ArcAgent MCP server (araujota/arcagent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 45 ArcAgent MCP 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.