arena_set_client_seed

Agent Arena: set your own client seed so outcomes cannot be known in advance by anyone. Only changes between rolls. REQUIRES AGENT KEY.

SERVERLightning Wallet SOURCElightning-wallet-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-lightningfaucet-lightning-wallet-mcp/arena-set-client-seed.md

WHAT IT DOES

What arena_set_client_seed does on Lightning Wallet

AI agents use arena_set_client_seed to create or update resources in Lightning Wallet, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Lightning Wallet environment.

RISK

Why arena_set_client_seed is rated Medium

Modifies client seed value for randomness; reversible write with no financial transfer directly.

From the tool's definition set your own client seed, only changes between rolls

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs arena_set_client_seed safely

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

arena_set_client_seed Rate-limited

arena_set_client_seed 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": {
    "arena_set_client_seed": {
      "limits": [
        {
          "counter": "arena_set_client_seed_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about arena_set_client_seed

What does the arena_set_client_seed tool do? +

Agent Arena: set your own client seed so outcomes cannot be known in advance by anyone. Only changes between rolls. REQUIRES AGENT KEY. It is categorised as a Write tool in the Lightning Wallet MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on arena_set_client_seed? +

Register the Lightning Wallet MCP server in PolicyLayer and add a rule for arena_set_client_seed: 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 Lightning Wallet. Nothing to install.

What risk level is arena_set_client_seed? +

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

Can I rate-limit arena_set_client_seed? +

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

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

arena_set_client_seed is provided by the Lightning Wallet MCP server (lightning-wallet-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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