Build an unsigned setAssetManagers transaction from encoded intent args. Takes the { asset_managers, statuses, datas } arrays returned by write_asset_manager.* intent tools and builds a single unsigned tx targeting the account. To combine multiple automations in one tx, concatenate the arrays fro...
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AI agents use write_account_set_asset_managers to create or modify resources in Arcadia Finance. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call write_account_set_asset_managers repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Arcadia Finance.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"write_account_set_asset_managers": {
"limits": [
{
"counter": "write_account_set_asset_managers_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Arcadia Finance policy for all 40 tools.
These attack patterns abuse exactly the kind of access write_account_set_asset_managers gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Build an unsigned setAssetManagers transaction from encoded intent args. Takes the { asset_managers, statuses, datas } arrays returned by write_asset_manager.* intent tools and builds a single unsigned tx targeting the account. To combine multiple automations in one tx, concatenate the arrays from multiple intent tool calls before passing them here. Example: to enable rebalancer + merkl_operator, call both intent tools, merge their arrays, then pass the merged arrays to this tool. Returns { transaction: { to, data, value, chainId } }.. It is categorised as a Write tool in the Arcadia Finance MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Arcadia Finance MCP server in PolicyLayer and add a rule for write_account_set_asset_managers: 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_account_set_asset_managers is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the write_account_set_asset_managers 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_account_set_asset_managers. 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_account_set_asset_managers 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.
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