canton_grant_user_rights

A write tool on the Tenzro Ledger MCP server.

SERVERTenzro Ledger MCP SOURCEhttps://canton-mcp.tenzro.network/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/network-tenzro-tenzro/canton-grant-user-rights.md

WHAT IT DOES

What canton_grant_user_rights does on Tenzro Ledger MCP

AI agents use canton_grant_user_rights 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.

RISK

Why canton_grant_user_rights is rated Medium

The name 'canton_grant_user_rights' strongly suggests this tool grants permissions or rights to users within a Canton (Daml/Canton ledger) system. Granting rights is a Write operation that modifies access control state. This carries high severity because misconfigured permissions could escalate privileges and expose sensitive financial/ledger data. Confidence is reduced due to the empty description.

From the tool's definition Tool name: canton_grant_user_rights — description is empty/uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs canton_grant_user_rights safely

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

canton_grant_user_rights Rate-limited

canton_grant_user_rights 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": {
    "canton_grant_user_rights": {
      "limits": [
        {
          "counter": "canton_grant_user_rights_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 Tenzro Ledger MCP, apply this rule, and every canton_grant_user_rights call is checked against it from then on.

FAQ

Questions about canton_grant_user_rights

What does the canton_grant_user_rights tool do? +

canton_grant_user_rights is a write tool on the Tenzro Ledger MCP server. 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 canton_grant_user_rights? +

Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for canton_grant_user_rights: 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 canton_grant_user_rights? +

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

Can I rate-limit canton_grant_user_rights? +

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

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

canton_grant_user_rights 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.

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