save_campaign_snapshot · RPG Ledger MCP Server MCP

WHAT IT DOES

What save_campaign_snapshot does on RPG Ledger MCP Server

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

WHY IT NEEDS A POLICY

Why save_campaign_snapshot needs a policy

This tool writes campaign state data to a file, which is a reversible operation (snapshots can be overwritten or deleted separately). It doesn't execute arbitrary code, delete data irreversibly, or involve financial transactions.

From the tool's definition The tool performs 'Zapisz migawkę kampanii do pliku' (Save a campaign snapshot to file), which creates or writes a snapshot file to the filesystem at a deterministic path. This is data creation/modification rather than retrieval or deletion.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

save_campaign_snapshot Rate-limited

save_campaign_snapshot 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": {
    "save_campaign_snapshot": {
      "limits": [
        {
          "counter": "save_campaign_snapshot_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 RPG Ledger MCP Server, so you can run agents against it safely.

FAQ

Questions about save_campaign_snapshot

What does the save_campaign_snapshot tool do? +

Zapisz migawkę kampanii do pliku data/_snapshots/{campaign_id}.{slot}.json. It is categorised as a Write tool in the RPG Ledger 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 save_campaign_snapshot? +

Register the RPG Ledger MCP Server MCP server in PolicyLayer and add a rule for save_campaign_snapshot: 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 RPG Ledger MCP Server. Nothing to install.

What risk level is save_campaign_snapshot? +

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

Can I rate-limit save_campaign_snapshot? +

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

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

save_campaign_snapshot is provided by the RPG Ledger MCP Server MCP server (sepa79/rpg-ledger-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.