sessions_add_applications · CyPerf MCP Server MCP

WHAT IT DOES

What sessions_add_applications does on CyPerf MCP Server

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

WHY IT NEEDS A POLICY

Why sessions_add_applications needs a policy

The tool appears to add applications to testing sessions, which is a reversible write operation that modifies session configuration. Without a detailed description, confidence is moderate. In the context of a network testing platform, adding applications to a session would configure test parameters but not execute tests or delete data, placing it in the Write category.

From the tool's definition Tool name 'sessions_add_applications' indicates creation or modification of session configurations by adding applications. The 'add' verb typically represents a write operation that creates or modifies reversible state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sessions_add_applications Rate-limited

sessions_add_applications 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": {
    "sessions_add_applications": {
      "limits": [
        {
          "counter": "sessions_add_applications_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 CyPerf MCP Server, so you can run agents against it safely.

FAQ

Questions about sessions_add_applications

What does the sessions_add_applications tool do? +

sessions_add_applications. It is categorised as a Write tool in the CyPerf MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sessions_add_applications? +

Register the CyPerf MCP Server MCP server in PolicyLayer and add a rule for sessions_add_applications: 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 CyPerf MCP Server. Nothing to install.

What risk level is sessions_add_applications? +

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

Can I rate-limit sessions_add_applications? +

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

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

sessions_add_applications is provided by the CyPerf MCP Server MCP server (keysight/cyperf-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.