get_hearing_calendar
AI agents call get_hearing_calendar to retrieve information from Umbrella Terminal MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves/queries public legislative hearing calendar information with no apparent side effects. Despite the empty description reducing confidence slightly, the naming convention and context of related read-only tools on the server strongly indicate this is a data retrieval operation. No write, destructive, execute, or financial operations are evident.
From the tool's definition Tool name 'get_hearing_calendar' suggests retrieval of legislative hearing schedule data. Sibling tools (get_bill, get_bill_amendments, get_bill_history, get_bill_hearings) are all read-only query operations.
Attacks that exploit this kind of access
get_hearing_calendar. It is categorised as a Read tool in the Umbrella Terminal MCP MCP Server, which means it retrieves data without modifying state.
Register the Umbrella Terminal MCP server in PolicyLayer and add a rule for get_hearing_calendar: 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 Umbrella Terminal MCP. Nothing to install.
get_hearing_calendar 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_hearing_calendar 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_hearing_calendar. 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_hearing_calendar is provided by the Umbrella Terminal MCP server (theblackcompany/umbrella_terminal_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.
Teams ship this data inside their own products. See what a licence covers →