api_ultrade_market_cancel_order

THE RISK

Critical Risk

Why api_ultrade_market_cancel_order needs a policy

Canceling an open order is an irreversible action that modifies the state of a financial order that cannot be simply undone by reverting to a prior state—it requires a new explicit action. While not destructive in the sense of data deletion, it irreversibly terminates a financial commitment and affects trading positions.

From the tool's definition Tool name includes 'cancel_order' and description states 'Cancel open order'. Sibling tools include 'alpha_cancel_order', 'alpha_create_limit_order', and 'alpha_create_market_order', indicating this server manages financial trading orders on the Algorand…

Documented attack patterns abuse exactly the kind of access api_ultrade_market_cancel_order gives an agent:

POLICY

How to control api_ultrade_market_cancel_order

PolicyLayer is an MCP gateway — it sits between your AI agents and Algorand MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for api_ultrade_market_cancel_order:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "api_ultrade_market_cancel_order"
  ]
}

api_ultrade_market_cancel_order disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register Algorand MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

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EXPLORE

Related tools and policies

More Algorand MCP tools

Financial alpha_amend_order Edit an existing unfilled Alpha Arcade order in-place (change price, quantity, or slippage Financial alpha_cancel_order Cancel an open Alpha Arcade order. Requires escrowAppId and orderOwner. Refunds USDC/token Financial api_ultrade_market_cancel_orders Cancel multiple open orders Financial api_haystack_execute_swap Execute an optimized token swap via Haystack Router — gets the best route across multiple Financial api_ultrade_wallet_withdraw Withdraw token Financial api_ultrade_wallet_withdraw_message Generate message from the withdrawal data Financial make_asset_transfer_txn Create an asset transfer transaction Financial alpha_claim Claim USDC from a resolved Alpha Arcade market by redeeming outcome tokens. Winning = 1:1

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Go deeper

Govern database agents → Read-only defaults, blocked table drops, and no DELETE without a WHERE clause on every query.
Critical-risk tools in Algorand MCP → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about api_ultrade_market_cancel_order

What does the api_ultrade_market_cancel_order tool do? +

Cancel open order. It is categorised as a Destructive tool in the Algorand MCP 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 api_ultrade_market_cancel_order? +

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

What risk level is api_ultrade_market_cancel_order? +

api_ultrade_market_cancel_order 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 api_ultrade_market_cancel_order? +

Yes. Add a rate_limit block to the api_ultrade_market_cancel_order 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 api_ultrade_market_cancel_order completely? +

Set action: deny in the PolicyLayer policy for api_ultrade_market_cancel_order. 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 api_ultrade_market_cancel_order? +

api_ultrade_market_cancel_order is provided by the Algorand MCP server (goplausible/algorand-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Algorand MCP tool call.

Start from Algorand MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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