Get apps by a developer on the App Store. Returns a list of apps with:\n
AI agents call app-store-developer to retrieve information from App Market Intelligence MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves publicly available App Store data about a developer's apps. It has no side effects, creates no data, executes no code, and performs no destructive or financial operations. It is a straightforward read operation similar to app-store-search and app-store-list, consistent with the server's purpose of analyzing and researching market intelligence.
From the tool's definition Tool description states 'Get apps by a developer on the App Store. Returns a list of apps' - this is a retrieval/query operation with no modification of data. The verb 'Get' and 'Returns' indicate read-only access to publicly available app store information.
Documented attack patterns abuse exactly the kind of access app-store-developer gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and App Market Intelligence MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for app-store-developer:
{
"version": "1",
"default": "deny",
"tools": {
"app-store-developer": {}
}
}app-store-developer is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get apps by a developer on the App Store. Returns a list of apps with:\n. It is categorised as a Read tool in the App Market Intelligence MCP MCP Server, which means it retrieves data without modifying state.
Register the App Market Intelligence MCP server in PolicyLayer and add a rule for app-store-developer: 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 App Market Intelligence MCP. Nothing to install.
app-store-developer 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-store-developer 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-store-developer. 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-store-developer is provided by the App Market Intelligence MCP server (jiantaofu/appinsightmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from App Market Intelligence MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
20 App Market Intelligence MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.