get_variant
AI agents call get_variant to retrieve information from Icelandic Morphology 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 linguistic data (word variants) from a morphological database without modifying, deleting, or executing any operations. It performs a simple data lookup similar to sibling tools 'get_lemma' and 'lookup_word'. While the tool description is empty, the server's explicit purpose and naming pattern strongly indicate a read-only function.
From the tool's definition Tool is part of a morphology database server that 'provides access to... look up word inflections, variants, and lemmas' and 'retrieve specific Icelandic word forms'.
Attacks that exploit this kind of access
get_variant. It is categorised as a Read tool in the Icelandic Morphology MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Icelandic Morphology MCP Server MCP server in PolicyLayer and add a rule for get_variant: 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 Icelandic Morphology MCP Server. Nothing to install.
get_variant 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_variant 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_variant. 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_variant is provided by the Icelandic Morphology MCP Server MCP server (mideind/icelandic-morphology-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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