AI agents call batch_translate to retrieve information from Biomart MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Batch translation of biological identifiers is a data retrieval operation with no side effects. It does not create, modify, delete, or execute code. While the description is empty (lowering confidence slightly), the strong contextual evidence from the server description and naming patterns makes it clear this is a read operation.
From the tool's definition Tool name 'batch_translate' combined with sibling tool 'get_translation' which returns translated identifiers, indicates this tool translates biological identifiers in batch.
Risk signalsBulk/mass operation — affects multiple targets
Documented attack patterns abuse exactly the kind of access batch_translate gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Biomart MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for batch_translate:
{
"version": "1",
"default": "deny",
"tools": {
"batch_translate": {}
}
}batch_translate is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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batch_translate. It is categorised as a Read tool in the Biomart MCP MCP Server, which means it retrieves data without modifying state.
Register the Biomart MCP server in PolicyLayer and add a rule for batch_translate: 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 Biomart MCP. Nothing to install.
batch_translate 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 batch_translate 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 batch_translate. 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.
batch_translate is provided by the Biomart MCP server (jzinno/biomart-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Biomart MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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8 Biomart MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.