Critical-risk tools in Agent0
3 of the 34 tools in Agent0 are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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a2a_cancel_taskDestructive 4/5Cancel an in-progress A2A task. Requires configured wallet.
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revoke_feedbackDestructive 4/5Revoke previously submitted feedback. Only the original reviewer can revoke. Requires configured wallet.
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transfer_agentFinancial 5/5Transfer ownership of an ERC-8004 agent NFT to a new address. Requires configured wallet and agent ownership. This is irreversible.
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.
More on Agent0
Enforce policy on Agent0
One command generates a policy scaffold for every server in your MCP config.
npx -y @policylayer/intercept init