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 Runtime 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 Runtime 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

More Qiskit IBM Runtime MCP Server tools

Destructive cancel_job_tool Cancel a specific job. Destructive delete_environment_tool Delete an environment. Destructive delete_model_tool Delete a model. Destructive delete_saved_account_tool delete_saved_account_tool Execute run_estimator_tool run_estimator_tool Execute start_tensorboard_tool start_tensorboard_tool Execute start_training_tool start_training_tool Execute stop_tensorboard_tool Stop the running TensorBoard process.

All 71 Qiskit IBM Runtime MCP Server tools →

Execute tools on other servers

Frida Game Hacking MCP remove_breakpoint Procmon request_elevation WireMCP capture_packets Pentest Ai run_probe

Go deeper

High-risk tools in Qiskit IBM Runtime 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 Runtime 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 Runtime 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 Runtime 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 Runtime MCP Server MCP server (qiskit-ibm-runtime-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 Runtime MCP Server tool call.

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

GOVERN QISKIT IBM RUNTIME →

Free to start. No card required.

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

// WHAT RUN_SAMPLER_TOOL ON QISKIT IBM RUNTIME MCP SERVER DOES

// THE RISK

// HOW TO CONTROL RUN_SAMPLER_TOOL

// EXPLORE