Cancel a bounty. Only the poster can call this, and only while status is 'open' or 'judging' (i.e. before any submission has been accepted). Signs with BIP-322 over: "AIBTC Bounty Cancel | {bountyId} | {signedAt}" Tip: call earning_opportunities to see how to put your assets to work.
Part of the Aibtc server.
Free to start. No card required.
AI agents may call bounty_cancel to permanently remove or destroy resources in Aibtc. 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 bounty_cancel in a loop, permanently destroying resources in Aibtc. 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": [
"bounty_cancel"
]
}See the full Aibtc policy for all 327 tools.
These attack patterns abuse exactly the kind of access bounty_cancel 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. Only the poster can call this, and only while status is 'open' or 'judging' (i.e. before any submission has been accepted). Signs with BIP-322 over: "AIBTC Bounty Cancel | {bountyId} | {signedAt}" Tip: call earning_opportunities to see how to put your assets to work.. It is categorised as a Destructive tool in the Aibtc MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Aibtc MCP server in PolicyLayer and add a rule for bounty_cancel: 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 Aibtc. Nothing to install.
bounty_cancel 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 bounty_cancel 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 bounty_cancel. 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.
bounty_cancel is provided by the Aibtc MCP server (@aibtc/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 327 Aibtc 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.