AI agents call search_docs to retrieve information from Mcp Rtfm without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and searches existing documentation data without creating, modifying, or deleting anything. It is a pure read operation that has no blast radius if misused by an AI agent—it can only return information that already exists in the knowledge base.
From the tool's definition Tool name 'search_docs' and description 'Search across documentation files with highlighted results' indicate a query/retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access search_docs gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Rtfm, and nothing reaches the server without passing your rules. This is the rule we recommend for search_docs:
{
"version": "1",
"default": "deny",
"tools": {
"search_docs": {}
}
}search_docs is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Search across documentation files with highlighted results. It is categorised as a Read tool in the Mcp Rtfm MCP Server, which means it retrieves data without modifying state.
Register the Mcp Rtfm MCP server in PolicyLayer and add a rule for search_docs: 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 Mcp Rtfm. Nothing to install.
search_docs 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_docs 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_docs. 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_docs is provided by the Mcp Rtfm MCP server (ryanjoachim/mcp-rtfm). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 11 Mcp Rtfm tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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11 Mcp Rtfm tools catalogued and risk-classified — across an index of 42,500+ MCP servers.