storage_set_pricing · Tenzro Ledger MCP: Risk & Policy

WHAT IT DOES

What storage_set_pricing does on Tenzro Ledger MCP

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

WHY IT NEEDS A POLICY

Why storage_set_pricing needs a policy

This tool writes/modifies system configuration (pricing policy) rather than executing arbitrary operations or destroying data. While it could have downstream financial impact by changing pricing terms, the tool itself is a configuration write operation.

From the tool's definition Tool description states 'Set the byte-epoch storage pricing policy.' The verb 'set' indicates modification of configuration data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

storage_set_pricing Rate-limited

storage_set_pricing 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": {
    "storage_set_pricing": {
      "limits": [
        {
          "counter": "storage_set_pricing_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 Tenzro Ledger MCP, so you can run agents against it safely.

FAQ

Questions about storage_set_pricing

What does the storage_set_pricing tool do? +

Set the byte-epoch storage pricing policy. It is categorised as a Write tool in the Tenzro Ledger MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on storage_set_pricing? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for storage_set_pricing: 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 Tenzro Ledger MCP. Nothing to install.

What risk level is storage_set_pricing? +

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

Can I rate-limit storage_set_pricing? +

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

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

storage_set_pricing is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.