list_discovery_runs

List Discovery run history (discovery_status) — state, duration, and progress per scan, newest first

SERVERServiceNow-MCP SOURCEtedorigawa001/servicenow-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tedorigawa001-servicenow-mcp/list-discovery-runs.md

WHAT IT DOES

What list_discovery_runs does on ServiceNow-MCP

AI agents call list_discovery_runs to retrieve information from ServiceNow-MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_discovery_runs is rated Low

This tool performs a read-only query of discovery run history, returning state, duration, and progress information. It has no side effects, creates no data, executes no code, and deletes nothing. The word 'list' combined with the passive retrieval of historical metadata classifies this firmly as a Read operation with minimal risk.

From the tool's definition Tool name 'list_discovery_runs' and description 'List Discovery run history' clearly indicate a retrieval operation that queries and returns historical data about discovery scans without modifying, executing, or deleting anything.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_discovery_runs safely

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

list_discovery_runs Allowed

list_discovery_runs is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_discovery_runs": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow-MCP, apply this rule, and every list_discovery_runs call is checked against it from then on.

FAQ

Questions about list_discovery_runs

What does the list_discovery_runs tool do? +

List Discovery run history (discovery_status) — state, duration, and progress per scan, newest first. It is categorised as a Read tool in the ServiceNow-MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_discovery_runs? +

Register the ServiceNow MCP server in PolicyLayer and add a rule for list_discovery_runs: 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 ServiceNow-MCP. Nothing to install.

What risk level is list_discovery_runs? +

list_discovery_runs is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_discovery_runs? +

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

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

list_discovery_runs is provided by the ServiceNow MCP server (tedorigawa001/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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