# hl_cancel_order

Cancel one or all orders for a market on Hyperliquid

Agent View of the PolicyLayer registry record for `hl_cancel_order`. HTML page: https://policylayer.com/tools/minhoyoo-iotrust-waiaas/hl-cancel-order

## Facts

- Tool: `hl_cancel_order`
- Server: Waiaas (`minhoyoo-iotrust/waiaas`) — https://policylayer.com/tools/minhoyoo-iotrust-waiaas.md
- Homepage: https://github.com/minhoyoo-iotrust/WAIaaS
- Risk category: Destructive (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Hidden

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "hl_cancel_order",
    "arguments": {}
  }
}
```

## Why hl_cancel_order is rated Critical

While this appears transactional, order cancellation is destructive in nature because it permanently removes an active market instruction. Unlike reversible operations (write) that can be modified or undone, a cancelled order cannot be restored to its pre-cancellation state.

From the tool's own definition: "Tool cancels orders on Hyperliquid, which irreversibly terminates active trading positions. The action 'cancel' combined with 'order' on a financial exchange removes a previously submitted instruction that cannot be restored—the cancelled order state is…"

## Use case

AI agents call hl_cancel_order to permanently remove resources in Waiaas, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

## Recommended policy (PolicyLayer)

Verdict: **Hidden**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Waiaas:

```json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "hl_cancel_order"
  ]
}
```

## Other tools on Waiaas (125)

- `cancel_order` — Destructive — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/cancel-order.md
- `pm_cancel_all` — Destructive — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/pm-cancel-all.md
- `pm_cancel_order` — Destructive — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/pm-cancel-order.md
- `remove_liquidity` — Destructive — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/remove-liquidity.md
- `build_userop` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/build-userop.md
- `call_contract` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/call-contract.md
- `encode_calldata` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/encode-calldata.md
- `execute` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/execute.md
- `hl_set_leverage` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/hl-set-leverage.md
- `hl_spot_cancel` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/hl-spot-cancel.md
- `request_validation` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/request-validation.md
- `sign_message` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/sign-message.md
- `sign_transaction` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/sign-transaction.md
- `sign_userop` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/sign-userop.md
- `simulate_transaction` — Execute — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/simulate-transaction.md
- `aave_borrow` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/aave-borrow.md
- `aave_repay` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/aave-repay.md
- `aave_supply` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/aave-supply.md
- `aave_withdraw` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/aave-withdraw.md
- `bridge` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/bridge.md
- `buy_pt` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/buy-pt.md
- `buy_yt` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/buy-yt.md
- `cross_swap` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/cross-swap.md
- `dex_swap` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/dex-swap.md
- `drift_close_position` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/drift-close-position.md
- `drift_modify_position` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/drift-modify-position.md
- `drift_open_position` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/drift-open-position.md
- `drift_withdraw_margin` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/drift-withdraw-margin.md
- `erc8128_sign_request` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/erc8128-sign-request.md
- `execute_action` — Financial — https://policylayer.com/tools/minhoyoo-iotrust-waiaas/execute-action.md
- …and 95 more: https://policylayer.com/tools/minhoyoo-iotrust-waiaas.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=minhoyoo-iotrust-waiaas · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/minhoyoo-iotrust-waiaas