list_oauth_applications
List OAuth application registry entries (client applications that can authenticate)
This record as markdown: /tools/servicenow-mcp-server/list-oauth-applications.md
What list_oauth_applications does on ServiceNow MCP Server
AI agents call list_oauth_applications to retrieve information from ServiceNow MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_oauth_applications is rated Low
While this tool only retrieves (read) OAuth application configurations without modifying them, the sensitivity of the information exposed (authentication credentials, client applications) warrants a high severity rating. An adversary gaining access to this list could identify and target OAuth applications, potentially extract credentials, or understand the authentication landscape.
From the tool's definition Tool name contains 'list' and description states 'List OAuth application registry entries', indicating a retrieval operation. However, the data retrieved—OAuth client applications and authentication credentials—is highly sensitive.
Attacks that exploit this kind of access
The rule that runs list_oauth_applications safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_oauth_applications, this is the rule to start with:
list_oauth_applications is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow MCP Server, apply this rule, and every list_oauth_applications call is checked against it from then on.
Questions about list_oauth_applications
List OAuth application registry entries (client applications that can authenticate). It is categorised as a Read tool in the ServiceNow MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for list_oauth_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 ServiceNow MCP Server. Nothing to install.
list_oauth_applications is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_oauth_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.
Set action: deny in the PolicyLayer policy for list_oauth_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.
list_oauth_applications is provided by the ServiceNow MCP Server MCP server (@aartiq/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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