crow_list_backgrounds

List previously generated background images in the gallery

SERVERCrow SOURCEkh0pper/crow

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/kh0pper-crow/crow-list-backgrounds.md

WHAT IT DOES

What crow_list_backgrounds does on Crow

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

RISK

Why crow_list_backgrounds is rated Low

This tool performs a simple query/listing of existing background images. It retrieves data without side effects, making it a Read operation. The blast radius is minimal: listing gallery images poses no security or operational risk to the system, other projects, or user data. Low severity is appropriate as the worst outcome of misuse is viewing previously generated images.

From the tool's definition Tool description states 'List previously generated background images in the gallery' — a retrieval operation with no modification, deletion, or execution capabilities.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crow_list_backgrounds safely

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

crow_list_backgrounds Allowed

crow_list_backgrounds 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": {
    "crow_list_backgrounds": {}
  }
}

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

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

FAQ

Questions about crow_list_backgrounds

What does the crow_list_backgrounds tool do? +

List previously generated background images in the gallery. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crow_list_backgrounds? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_list_backgrounds: 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 Crow. Nothing to install.

What risk level is crow_list_backgrounds? +

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

Can I rate-limit crow_list_backgrounds? +

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

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

crow_list_backgrounds is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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