placebear_image
Get a bear placeholder image URL at custom dimensions (no network call).
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/placebear-image.md
What placebear_image does on UnClick
AI agents call placebear_image to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
width | number | — | Image width in pixels (default 300, max 2000). |
height | number | — | Image height in pixels (default 300, max 2000). |
Parameters from the server's own tool schema.
Why placebear_image is rated Low
This tool only retrieves/generates a URL for a placeholder image resource. It performs no modifications, deletions, code execution, or financial operations. The explicit note about no network call reinforces that this is a simple, side-effect-free data retrieval operation. Severity is low because misuse would have no meaningful impact on systems or data.
From the tool's definition Tool description states it 'Get[s] a bear placeholder image URL at custom dimensions' with 'no network call'. The verb 'get' and the read-only nature of retrieving a URL to a placeholder image indicate a retrieval operation without side effects.
Attacks that exploit this kind of access
The rule that runs placebear_image safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For placebear_image, this is the rule to start with:
placebear_image is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every placebear_image call is checked against it from then on.
Questions about placebear_image
Get a bear placeholder image URL at custom dimensions (no network call). It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
placebear_image accepts 2 parameters: width, height. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for placebear_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 UnClick. Nothing to install.
placebear_image is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the placebear_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.
Set action: deny in the PolicyLayer policy for placebear_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.
placebear_image is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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