Critical Risk →

request_human_approval

Pause your workflow for explicit human approval before executing a high-stakes action. Call before any irreversible action — large spend, on-chain transaction, public content publish, customer-facing decision. Returns approved/denied + reasoning. Approvals can be enforced on-chain via the Taste G...

Part of the Taste server.

request_human_approval can permanently delete data in Taste, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call request_human_approval to permanently remove or destroy resources in Taste. 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 request_human_approval in a loop, permanently destroying resources in Taste. 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.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "request_human_approval"
  ]
}

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Get this rule live on your own Taste server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access request_human_approval gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so request_human_approval only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the request_human_approval tool do? +

Pause your workflow for explicit human approval before executing a high-stakes action. Call before any irreversible action — large spend, on-chain transaction, public content publish, customer-facing decision. Returns approved/denied + reasoning. Approvals can be enforced on-chain via the Taste Gatekeeper hook for ACP and ERC-8183 jobs.. It is categorised as a Destructive tool in the Taste MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on request_human_approval? +

Register the Taste MCP server in PolicyLayer and add a rule for request_human_approval: 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 Taste. Nothing to install.

What risk level is request_human_approval? +

request_human_approval is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit request_human_approval? +

Yes. Add a rate_limit block to the request_human_approval 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.

How do I block request_human_approval completely? +

Set action: deny in the PolicyLayer policy for request_human_approval. 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.

What MCP server provides request_human_approval? +

request_human_approval is provided by the Taste MCP server (https://api.humantaste.app/mcp/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Taste tool call.

Deterministic rules across all 17 Taste tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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