Flash-action: stake, unstake, or claim rewards for an LP position in one atomic transaction. Use the action parameter to select the operation. asset_address is the position manager contract — pass the non-staked PM address when staking, or the staked PM address when unstaking. The returned callda...
Part of the Arcadia Finance server.
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AI agents use write_account_stake 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_stake 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_stake": {
"limits": [
{
"counter": "write_account_stake_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_stake 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.
Flash-action: stake, unstake, or claim rewards for an LP position in one atomic transaction. Use the action parameter to select the operation. asset_address is the position manager contract — pass the non-staked PM address when staking, or the staked PM address when unstaking. The returned calldata is time-sensitive — sign and broadcast within 30 seconds. If the transaction reverts due to price movement, rebuild and sign again immediately (retry at least once before giving up). Tenderly simulation may not be available for this endpoint — verify the position exists with read_account_info before signing.. 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_stake: 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_stake 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_stake 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_stake. 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_stake 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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