Build an unsigned deposit transaction into an Arcadia lending tranche (ERC-4626). Lenders deposit the pool's underlying asset (USDC/WETH/cbBTC) and receive tranche shares that accrue interest from borrowers. Requires prior ERC-20 approval to the tranche (see write_wallet_approve). To check curren...
Part of the Arcadia Finance server.
Free to start. No card required.
AI agents use write_pool_deposit to initiate financial transactions through Arcadia Finance. 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.
write_pool_deposit 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": {
"write_pool_deposit": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}See the full Arcadia Finance policy for all 40 tools.
These attack patterns abuse exactly the kind of access write_pool_deposit 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.
Build an unsigned deposit transaction into an Arcadia lending tranche (ERC-4626). Lenders deposit the pool's underlying asset (USDC/WETH/cbBTC) and receive tranche shares that accrue interest from borrowers. Requires prior ERC-20 approval to the tranche (see write_wallet_approve). To check current lender yield, call read_pool_list or read_pool_info.. It is categorised as a Financial tool in the Arcadia Finance MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Arcadia Finance MCP server in PolicyLayer and add a rule for write_pool_deposit: 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 Arcadia Finance. Nothing to install.
write_pool_deposit 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 write_pool_deposit 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 write_pool_deposit. 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.
write_pool_deposit is provided by the Arcadia Finance MCP server (https://mcp.arcadia.finance/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 40 Arcadia Finance tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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