cancel_all_orders

Cancel ALL open orders across all markets in this sub-account.

SERVERLighter MCP SOURCE0xdegenmo/lighter-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/0xdegenmo-lighter-mcp/cancel-all-orders.md

WHAT IT DOES

What cancel_all_orders does on Lighter MCP

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

RISK

Why cancel_all_orders is rated Critical

This tool performs an irreversible action (order cancellation) at scale across all markets simultaneously. While cancellation is technically reversible in the sense that new orders can be placed, the immediate and automatic cancellation of all existing orders constitutes a destructive operation that cannot be undone and has significant financial consequences (positions left unhedged, trading strategies disrupted,…

From the tool's definition "Cancel ALL open orders across all markets in this sub-account." The tool irreversibly cancels all open orders with a single action affecting an entire sub-account.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cancel_all_orders safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Lighter MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cancel_all_orders, this is the rule to start with:

cancel_all_orders Hidden

cancel_all_orders is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

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

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Lighter MCP, apply this rule, and every cancel_all_orders call is checked against it from then on.

FAQ

Questions about cancel_all_orders

What does the cancel_all_orders tool do? +

Cancel ALL open orders across all markets in this sub-account. It is categorised as a Destructive tool in the Lighter 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 cancel_all_orders? +

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

What risk level is cancel_all_orders? +

cancel_all_orders 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 cancel_all_orders? +

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

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

cancel_all_orders is provided by the Lighter MCP server (0xdegenmo/lighter-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Lighter, and thousands of servers like it.

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All 20 Lighter tools → Critical-risk tools on this server →

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Guides

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