Get information about a genetic variation/allele including molecular details, phenotypes, and strains.
AI agents call get_variation to retrieve information from WormBase MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about genetic variations and alleles from the WormBase database. It performs a query operation that returns data about molecular details, phenotypes, and strains associated with variations. There are no side effects, no data modification, no code execution, and no destructive operations.
From the tool's definition Tool name 'get_variation' and description 'Get information about a genetic variation/allele' indicates retrieval of existing data with no modification, deletion, or execution capability.
Attacks that exploit this kind of access
Get information about a genetic variation/allele including molecular details, phenotypes, and strains. It is categorised as a Read tool in the WormBase MCP Server MCP Server, which means it retrieves data without modifying state.
Register the WormBase MCP Server MCP server in PolicyLayer and add a rule for get_variation: 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 WormBase MCP Server. Nothing to install.
get_variation 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_variation 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_variation. 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_variation is provided by the WormBase MCP Server MCP server (wormbase/wormbase-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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