run_sampler_tool

THE RISK

High Risk

run_sampler_tool triggers real processes with real consequences. An agent gone sideways doesn't fire it once — it starts dozens of builds, sends mass notifications, or burns through compute before anyone looks up.

Documented attack patterns abuse exactly the kind of access run_sampler_tool gives an agent:

HOW TO CONTROL RUN_SAMPLER_TOOL

PolicyLayer is an MCP gateway — it sits between your AI agents and Qiskit IBM Transpiler MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for run_sampler_tool:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run_sampler_tool": {
      "limits": [
        {
          "counter": "run_sampler_tool_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

run_sampler_tool stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Qiskit IBM Transpiler MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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All 71 Qiskit IBM Transpiler MCP Server tools →

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Go deeper

High-risk tools in Qiskit IBM Transpiler MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

What does the run_sampler_tool tool do? +

run_sampler_tool. It is categorised as a Execute tool in the Qiskit IBM Transpiler MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_sampler_tool? +

Register the Qiskit IBM Transpiler MCP Server MCP server in PolicyLayer and add a rule for run_sampler_tool: 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 Qiskit IBM Transpiler MCP Server. Nothing to install.

What risk level is run_sampler_tool? +

run_sampler_tool is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit run_sampler_tool? +

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

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

run_sampler_tool is provided by the Qiskit IBM Transpiler MCP Server MCP server (qiskit-ibm-transpiler-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Qiskit IBM Transpiler MCP Server tool call.

Deterministic rules across all 71 Qiskit IBM Transpiler MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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71 Qiskit IBM Transpiler MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

// WHAT RUN_SAMPLER_TOOL ON QISKIT IBM TRANSPILER MCP SERVER DOES

// THE RISK

// HOW TO CONTROL RUN_SAMPLER_TOOL

// EXPLORE