ldk_backup_state · LDK MCP Server MCP: Risk & Policy

WHAT IT DOES

What ldk_backup_state does on LDK MCP Server

AI agents use ldk_backup_state to create or update resources in LDK MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your LDK MCP Server environment.

WHY IT NEEDS A POLICY

Why ldk_backup_state needs a policy

This tool tests backup and restore flows for Lightning channel state. Creating backups involves writing/storing state data, and restoring involves modifying/overwriting current state. While framed as 'test', it likely performs actual backup and restore operations on Lightning channel state, which is critical financial infrastructure.

From the tool's definition Test channel backup and restore flows

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ldk_backup_state Rate-limited

ldk_backup_state stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ldk_backup_state": {
      "limits": [
        {
          "counter": "ldk_backup_state_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches LDK MCP Server, so you can run agents against it safely.

FAQ

Questions about ldk_backup_state

What does the ldk_backup_state tool do? +

Test channel backup and restore flows. It is categorised as a Write tool in the LDK MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ldk_backup_state? +

Register the LDK MCP Server MCP server in PolicyLayer and add a rule for ldk_backup_state: 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 LDK MCP Server. Nothing to install.

What risk level is ldk_backup_state? +

ldk_backup_state is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ldk_backup_state? +

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

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

ldk_backup_state is provided by the LDK MCP Server MCP server (stevengeller/ldk-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.