read_pdf_visual

Visually analyze a PDF document

SERVERCoWork OS SOURCECoWork-OS/CoWork-OS

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/cowork-os/read-pdf-visual.md

WHAT IT DOES

What read_pdf_visual does on CoWork OS

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

RISK

Why read_pdf_visual is rated Low

This tool retrieves and interprets visual/content information from an existing PDF without creating, modifying, executing code, deleting, or moving money. It is a passive analysis operation with no side effects, fitting the Read category definition.

From the tool's definition Tool name 'read_pdf_visual' and description 'Visually analyze a PDF document' indicate retrieval and analysis of document content with no modification or execution capabilities.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs read_pdf_visual safely

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

read_pdf_visual Allowed

read_pdf_visual 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": {
    "read_pdf_visual": {}
  }
}

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

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

FAQ

Questions about read_pdf_visual

What does the read_pdf_visual tool do? +

Visually analyze a PDF document. It is categorised as a Read tool in the CoWork OS MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on read_pdf_visual? +

Register the CoWork OS MCP server in PolicyLayer and add a rule for read_pdf_visual: 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 CoWork OS. Nothing to install.

What risk level is read_pdf_visual? +

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

Can I rate-limit read_pdf_visual? +

Yes. Add a rate_limit block to the read_pdf_visual 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 read_pdf_visual completely? +

Set action: deny in the PolicyLayer policy for read_pdf_visual. 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 read_pdf_visual? +

read_pdf_visual is provided by the CoWork OS MCP server (CoWork-OS/CoWork-OS). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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