public_access_image

THE RISK

Low Risk

Why public_access_image needs a policy

This tool retrieves and downloads an image from a stored record field. It performs data retrieval without creating, modifying, deleting, executing code, or committing financial actions. The blast radius of misuse is minimal — an attacker could access image data but cannot alter system state or cause permanent harm.

From the tool's definition Tool description states 'Download image field from record' — a retrieval operation with no modification or side effects. Uses HTTP GET-style endpoint (/web/image/) typical of read operations.

Documented attack patterns abuse exactly the kind of access public_access_image gives an agent:

POLICY

How to control public_access_image

PolicyLayer is an MCP gateway — it sits between your AI agents and Odoo Claude MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for public_access_image:

policy.json

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

public_access_image is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Odoo Claude MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about public_access_image

What does the public_access_image tool do? +

Download image field from record via /web/image/{model}/{id}/{field}. It is categorised as a Read tool in the Odoo Claude MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on public_access_image? +

Register the Odoo Claude MCP server in PolicyLayer and add a rule for public_access_image: 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 Odoo Claude MCP. Nothing to install.

What risk level is public_access_image? +

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

Can I rate-limit public_access_image? +

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

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

public_access_image is provided by the Odoo Claude MCP server (rosenvladimirov/odoo-claude-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Odoo Claude MCP tool call.

Start from Odoo Claude MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →