List installed Zendesk Marketplace apps (installations) and their settings. Read-only.
AI agents call zda_list_apps to retrieve information from Zendesk Admin MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries data about Zendesk Marketplace app installations without modifying, deleting, or executing any actions. It falls squarely into the Read category as a safe query operation with minimal risk.
From the tool's definition Tool is explicitly labeled as 'Read-only' and performs a list operation to retrieve installed apps and their settings with no side effects.
Attacks that exploit this kind of access
List installed Zendesk Marketplace apps (installations) and their settings. Read-only. It is categorised as a Read tool in the Zendesk Admin MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Zendesk Admin MCP Server MCP server in PolicyLayer and add a rule for zda_list_apps: 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 Zendesk Admin MCP Server. Nothing to install.
zda_list_apps 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 zda_list_apps 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 zda_list_apps. 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.
zda_list_apps is provided by the Zendesk Admin MCP Server MCP server (sniebauer/zendesk-admin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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