search_bills
AI agents call search_bills to retrieve information from Open Assembly without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries bill data with no side effects. It fits the Read category as a search/query operation that retrieves information about bills from the Korean National Assembly Open API without modifying, deleting, or executing any operations.
From the tool's definition Tool name is 'search_bills' and the server description indicates it enables 'querying of bills...via natural language.' All sibling tools are read-only query operations (get_bill_*, get_member_*, analyze_legislator, discover_apis).
Attacks that exploit this kind of access
search_bills. It is categorised as a Read tool in the Open Assembly MCP Server, which means it retrieves data without modifying state.
Register the Open Assembly MCP server in PolicyLayer and add a rule for search_bills: 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 Open Assembly. Nothing to install.
search_bills 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 search_bills 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 search_bills. 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.
search_bills is provided by the Open Assembly MCP server (kyusik-yang/open-assembly-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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