mpt-issuance-set

Modify the properties of an existing Multi-Purpose Token (MPT) issuance. Can lock/unlock the issuance or update holder authorization.

SERVERXrpl mcp SOURCEromthpt/mcp-xrpl

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/romthpt-mcp-xrpl/mpt-issuance-set.md

WHAT IT DOES

What mpt-issuance-set does on Xrpl mcp

AI agents use mpt-issuance-set to create or update resources in Xrpl mcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Xrpl mcp environment.

RISK

Why mpt-issuance-set is rated Medium

This tool modifies token issuance properties (lock/unlock, holder authorization changes), which are reversible write operations on the XRP Ledger. While it doesn't delete data, modifying token issuance properties—especially locking mechanisms and authorization rules—affects token lifecycle and holder permissions.

From the tool's definition Modify the properties of an existing Multi-Purpose Token (MPT) issuance. Can lock/unlock the issuance or update holder authorization.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mpt-issuance-set safely

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

mpt-issuance-set Rate-limited

mpt-issuance-set 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": {
    "mpt-issuance-set": {
      "limits": [
        {
          "counter": "mpt-issuance-set_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 Xrpl mcp, apply this rule, and every mpt-issuance-set call is checked against it from then on.

FAQ

Questions about mpt-issuance-set

What does the mpt-issuance-set tool do? +

Modify the properties of an existing Multi-Purpose Token (MPT) issuance. Can lock/unlock the issuance or update holder authorization. It is categorised as a Write tool in the Xrpl 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 mpt-issuance-set? +

Register the Xrpl MCP server in PolicyLayer and add a rule for mpt-issuance-set: 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 Xrpl mcp. Nothing to install.

What risk level is mpt-issuance-set? +

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

Can I rate-limit mpt-issuance-set? +

Yes. Add a rate_limit block to the mpt-issuance-set 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 mpt-issuance-set completely? +

Set action: deny in the PolicyLayer policy for mpt-issuance-set. 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 mpt-issuance-set? +

mpt-issuance-set is provided by the Xrpl MCP server (romthpt/mcp-xrpl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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