Get detailed content of a specific entry in a ZIM file
AI agents call get_zim_entry to retrieve information from ZIM 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 existing content from a ZIM file without creating, modifying, deleting, or executing operations. It is a read-only query operation with minimal security risk. The worst-case scenario is information disclosure from already-public offline content.
From the tool's definition Tool description states 'Get detailed content of a specific entry in a ZIM file' — a retrieval operation with no modification or execution capability. ZIM files are offline knowledge resources (Wikipedia, etc.). The tool retrieves and returns data.
Documented attack patterns abuse exactly the kind of access get_zim_entry gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and ZIM MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_zim_entry:
{
"version": "1",
"default": "deny",
"tools": {
"get_zim_entry": {}
}
}get_zim_entry is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get detailed content of a specific entry in a ZIM file. It is categorised as a Read tool in the ZIM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ZIM MCP Server MCP server in PolicyLayer and add a rule for get_zim_entry: 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 ZIM MCP Server. Nothing to install.
get_zim_entry 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 get_zim_entry 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 get_zim_entry. 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.
get_zim_entry is provided by the ZIM MCP Server MCP server (thinkinai-hackathon/zim-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from ZIM MCP Server, 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.
3 ZIM MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.