AI agents call check_genome_accessions 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 performs a read-only validation check against genome accession identifiers. It queries existing data to verify their validity but does not create, modify, delete, or execute any operations. The action is passive information retrieval with no side effects, fitting the Read category. The low severity reflects minimal blast radius—misuse would only return validation results, not compromise data or systems.
From the tool's definition Tool name 'check_genome_accessions' and description 'Check the validity of genome accessions' indicate a validation/querying operation that retrieves or verifies data without modifying it.
Documented attack patterns abuse exactly the kind of access check_genome_accessions 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 check_genome_accessions:
{
"version": "1",
"default": "deny",
"tools": {
"check_genome_accessions": {}
}
}check_genome_accessions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Check the validity of genome accessions. 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 check_genome_accessions: 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.
check_genome_accessions 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 check_genome_accessions 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 check_genome_accessions. 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.
check_genome_accessions 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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