pdf_search_text

Search text inside a local PDF over selected pages. Returns page numbers and bounded snippets around matches. Deterministic, no network.

SERVERNodebench SOURCEnodebench-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-homenshum-nodebench/pdf-search-text.md

WHAT IT DOES

What pdf_search_text does on Nodebench

AI agents call pdf_search_text to retrieve information from Nodebench without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why pdf_search_text is rated Low

This tool only reads and searches content from an existing local PDF file, returning matching text snippets and page numbers. It has no side effects, does not modify data, execute code, delete content, or involve financial transactions. The deterministic, local-only operation further confirms its safe read-only nature. Classified as Read with low severity due to minimal blast radius if misused.

From the tool's definition Tool description states it 'Search[es] text inside a local PDF' and 'Returns page numbers and bounded snippets' — pure retrieval with no modification, creation, deletion, or execution capabilities.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pdf_search_text safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Nodebench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pdf_search_text, this is the rule to start with:

pdf_search_text Allowed

pdf_search_text is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pdf_search_text": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Nodebench, apply this rule, and every pdf_search_text call is checked against it from then on.

FAQ

Questions about pdf_search_text

What does the pdf_search_text tool do? +

Search text inside a local PDF over selected pages. Returns page numbers and bounded snippets around matches. Deterministic, no network. It is categorised as a Read tool in the Nodebench MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on pdf_search_text? +

Register the Nodebench MCP server in PolicyLayer and add a rule for pdf_search_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 Nodebench. Nothing to install.

What risk level is pdf_search_text? +

pdf_search_text is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit pdf_search_text? +

Yes. Add a rate_limit block to the pdf_search_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.

How do I block pdf_search_text completely? +

Set action: deny in the PolicyLayer policy for pdf_search_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.

What MCP server provides pdf_search_text? +

pdf_search_text is provided by the Nodebench MCP server (nodebench-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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