Get model version information by file hash
AI agents call get_model_version_by_hash to retrieve information from Civitai MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves model version metadata based on a file hash parameter. It performs no creation, modification, deletion, code execution, or financial transactions. The operation is read-only and non-destructive, making it a standard information retrieval tool with minimal security risk.
From the tool's definition Tool name 'get_model_version_by_hash' and description 'Get model version information by file hash' indicate data retrieval only.
Attacks that exploit this kind of access
Get model version information by file hash. It is categorised as a Read tool in the Civitai MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Civitai MCP Server MCP server in PolicyLayer and add a rule for get_model_version_by_hash: 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 Civitai MCP Server. Nothing to install.
get_model_version_by_hash 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 get_model_version_by_hash 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 get_model_version_by_hash. 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.
get_model_version_by_hash is provided by the Civitai MCP Server MCP server (waura/civitai-mcp-server). 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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