list_law_versions
AI agents call list_law_versions to retrieve information from Taiwan Legislative Yuan MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool lists versions of laws from Taiwan's Legislative Yuan database. This is a query/retrieval operation with no side effects—it retrieves historical or current versions of legal documents. No write, execute, delete, or financial operations are possible. The empty description lowers confidence slightly, but the tool name and server's legislative data access pattern strongly suggest read-only functionality.
From the tool's definition Tool name 'list_law_versions' combined with server context showing read-only legislative data access (bills, records, gazettes, etc.).
Attacks that exploit this kind of access
list_law_versions. It is categorised as a Read tool in the Taiwan Legislative Yuan MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Taiwan Legislative Yuan MCP Server MCP server in PolicyLayer and add a rule for list_law_versions: 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 Taiwan Legislative Yuan MCP Server. Nothing to install.
list_law_versions 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 list_law_versions 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 list_law_versions. 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.
list_law_versions is provided by the Taiwan Legislative Yuan MCP Server MCP server (narumiruna/ly-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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