set_og_image

Set a custom OG preview image for an app (shown in link previews on X, Slack, etc.). Accepts a local PNG file path.

SERVERDeloc SOURCEdelocdev/deloc-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/deloc-mcp/set-og-image.md

WHAT IT DOES

What set_og_image does on Deloc

AI agents use set_og_image to create or update resources in Deloc, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Deloc environment.

RISK

Why set_og_image is rated Medium

This tool creates or modifies data (OG metadata) in a way that is reversible — the image can be changed or removed later. It does not delete data (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or merely read data (Read).

From the tool's definition The tool 'set_og_image' modifies metadata for a deployed application by accepting a local PNG file path and setting it as the OpenGraph preview image. This is a reversible modification of app metadata.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_og_image safely

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

set_og_image Rate-limited

set_og_image stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_og_image": {
      "limits": [
        {
          "counter": "set_og_image_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about set_og_image

What does the set_og_image tool do? +

Set a custom OG preview image for an app (shown in link previews on X, Slack, etc.). Accepts a local PNG file path. It is categorised as a Write tool in the Deloc MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_og_image? +

Register the Deloc MCP server in PolicyLayer and add a rule for set_og_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 Deloc. Nothing to install.

What risk level is set_og_image? +

set_og_image is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_og_image? +

Yes. Add a rate_limit block to the set_og_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 set_og_image completely? +

Set action: deny in the PolicyLayer policy for set_og_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 set_og_image? +

set_og_image is provided by the Deloc MCP server (delocdev/deloc-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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