AI agents call openart_get_character to retrieve information from Openart without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and returns existing character data based on an ID parameter. It performs a read-only query with no capability to modify, execute code, delete data, or trigger financial transactions. The blast radius of misuse is minimal—an attacker could only view character details they may already have access to or enumerate character IDs.
From the tool's definition Tool name 'openart_get_character' with description 'Get details for a specific OpenArt character by ID' indicates a retrieval operation that returns character metadata without modification or side effects.
Attacks that exploit this kind of access
Get details for a specific OpenArt character by ID. It is categorised as a Read tool in the Openart MCP Server, which means it retrieves data without modifying state.
Register the Openart MCP server in PolicyLayer and add a rule for openart_get_character: 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 Openart. Nothing to install.
openart_get_character 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 openart_get_character 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 openart_get_character. 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.
openart_get_character is provided by the Openart MCP server (jbertus/openart-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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