Finalize a wallet-first update for an existing ERC-8004 or Solana-8004 agent after any required on-chain transaction has been sent from the same wallet.
Risk signalsAccepts raw HTML/template content (payload)
Part of the Singularity Layer MCP server.
Free to start. No card required.
AI agents use finalize_agent_update to initiate financial transactions through Singularity Layer MCP. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.
finalize_agent_update moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.
Financial tools involve real money. Block by default and require explicit human approval before enabling.
{
"version": "1",
"default": "deny",
"tools": {
"finalize_agent_update": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}See the full Singularity Layer MCP policy for all 38 tools.
These attack patterns abuse exactly the kind of access finalize_agent_update gives an agent. Each links to the full case and the policy that stops it:
Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Finalize a wallet-first update for an existing ERC-8004 or Solana-8004 agent after any required on-chain transaction has been sent from the same wallet.. It is categorised as a Financial tool in the Singularity Layer MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Singularity Layer MCP server in PolicyLayer and add a rule for finalize_agent_update: 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 Singularity Layer MCP. Nothing to install.
finalize_agent_update is a Financial 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 finalize_agent_update 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 finalize_agent_update. 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.
finalize_agent_update is provided by the Singularity Layer MCP server (https://mcp.x402layer.cc/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 38 Singularity Layer MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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