Get the GA4GH record for a specific dataset given its identifier
AI agents call get_ga4gh_datasets to retrieve information from OrigeneMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about a GA4GH dataset using an identifier. It performs no side effects, does not execute code or commands, does not modify or delete data, and involves no financial transactions. It is a straightforward data retrieval operation, characteristic of the Read category. The blast radius of misuse is minimal—an attacker could only discover information already indexed in the GA4GH database.
From the tool's definition Tool description states 'Get the GA4GH record for a specific dataset given its identifier' — this is a retrieval operation with no modification, creation, or deletion of data. The verb 'Get' indicates a read-only query.
Documented attack patterns abuse exactly the kind of access get_ga4gh_datasets gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and OrigeneMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_ga4gh_datasets:
{
"version": "1",
"default": "deny",
"tools": {
"get_ga4gh_datasets": {}
}
}get_ga4gh_datasets is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get the GA4GH record for a specific dataset given its identifier. It is categorised as a Read tool in the OrigeneMCP MCP Server, which means it retrieves data without modifying state.
Register the Origene MCP server in PolicyLayer and add a rule for get_ga4gh_datasets: 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 OrigeneMCP. Nothing to install.
get_ga4gh_datasets 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_ga4gh_datasets 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_ga4gh_datasets. 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_ga4gh_datasets is provided by the Origene MCP server (gentel-lab/origenemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from OrigeneMCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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