crow_media_digest_preview

Preview what a digest email would contain (top unread articles).

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-media-digest-preview.md

WHAT IT DOES

What crow_media_digest_preview does on Crow

AI agents call crow_media_digest_preview 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_media_digest_preview is rated Low

This tool queries and displays email digest content (articles) without creating, modifying, deleting, executing code, or moving funds. It is a non-destructive retrieval operation with minimal blast radius if misused by an AI agent, as it only exposes readable content that would normally be shown to the user anyway.

From the tool's definition Tool name and description indicate it 'preview[s]' digest content with 'top unread articles' — retrieves data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crow_media_digest_preview 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_media_digest_preview, this is the rule to start with:

crow_media_digest_preview Allowed

crow_media_digest_preview 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_media_digest_preview": {}
  }
}

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_media_digest_preview call is checked against it from then on.

FAQ

Questions about crow_media_digest_preview

What does the crow_media_digest_preview tool do? +

Preview what a digest email would contain (top unread articles). 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_media_digest_preview? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_media_digest_preview: 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_media_digest_preview? +

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

Can I rate-limit crow_media_digest_preview? +

Yes. Add a rate_limit block to the crow_media_digest_preview 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_media_digest_preview completely? +

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

crow_media_digest_preview 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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