AI agents call app_get to retrieve information from 8th Wall MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'app_get' tool retrieves a single application by its identifier. This is a query operation that reads application metadata/configuration without side effects. The mention of '(mock unless API configured)' further suggests this is primarily a data retrieval operation. No data is created, modified, deleted, or executed—it simply fetches existing information about an app.
From the tool's definition Tool name 'app_get' and description 'Get a single app by ID (mock unless API configured)' indicate data retrieval with no modification, deletion, or execution of operations.
Documented attack patterns abuse exactly the kind of access app_get gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and 8th Wall MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for app_get:
{
"version": "1",
"default": "deny",
"tools": {
"app_get": {}
}
}app_get is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a single app by ID (mock unless API configured). It is categorised as a Read tool in the 8th Wall MCP Server MCP Server, which means it retrieves data without modifying state.
Register the 8th Wall MCP Server MCP server in PolicyLayer and add a rule for app_get: 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 8th Wall MCP Server. Nothing to install.
app_get 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 app_get 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 app_get. 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.
app_get is provided by the 8th Wall MCP Server MCP server (superdwayne/8thwallmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from 8th Wall MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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64 8th Wall MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.