AI agents call find_text to retrieve information from PDF Co MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a search/find operation which is fundamentally a read operation that retrieves information from a PDF without side effects. Although the description is empty (which reduces confidence slightly), the name and server context strongly suggest text search functionality, a read-only operation with minimal security risk.
From the tool's definition Tool name 'find_text' with empty description indicates a text search operation. In the context of PDF.co's stated capabilities of 'searching' PDFs, this tool retrieves or queries text content from PDFs without modifying, executing external operations, or…
Documented attack patterns abuse exactly the kind of access find_text gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and PDF Co MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for find_text:
{
"version": "1",
"default": "deny",
"tools": {
"find_text": {}
}
}find_text is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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find_text. It is categorised as a Read tool in the PDF Co MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PDF Co MCP Server MCP server in PolicyLayer and add a rule for find_text: 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 PDF Co MCP Server. Nothing to install.
find_text 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 find_text 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 find_text. 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.
find_text is provided by the PDF Co MCP Server MCP server (pdfdotco/pdfco-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from PDF Co 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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38 PDF Co MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.