AI agents call search_documents_tool to retrieve information from Openground without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Search operations retrieve and query data without modifying, deleting, or executing external code. This is a classic Read category tool. Severity is low because searching documentation poses minimal risk even if misused by an agent—it cannot modify systems, execute code, or cause financial harm.
From the tool's definition Tool name 'search_documents_tool' indicates document searching functionality. Server description 'On-device documentation search for agents' confirms this is a search/retrieval operation.
Documented attack patterns abuse exactly the kind of access search_documents_tool gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Openground, and nothing reaches the server without passing your rules. This is the rule we recommend for search_documents_tool:
{
"version": "1",
"default": "deny",
"tools": {
"search_documents_tool": {}
}
} search_documents_tool is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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search_documents_tool. It is categorised as a Read tool in the Openground MCP Server, which means it retrieves data without modifying state.
Register the Openground MCP server in PolicyLayer and add a rule for search_documents_tool: 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 Openground. Nothing to install.
search_documents_tool 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 search_documents_tool 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 search_documents_tool. 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.
search_documents_tool is provided by the Openground MCP server (poweroutlet2/openground). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 3 Openground tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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3 Openground tools catalogued and risk-classified — across an index of 42,500+ MCP servers.