Get sun rise/set and other sun event times for a date range and location
AI agents call get_sun_times_range to retrieve information from LocalTides 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 public astronomical information (sunrise/sunset times) from the NOAA API based on query parameters. It performs no writes, deletions, code execution, or financial transactions. The blast radius of misuse is minimal—an agent could only query excessive amounts of data or spam the API, but cannot modify, delete, or cause irreversible harm.
From the tool's definition Tool name 'get_sun_times_range' and description 'Get sun rise/set and other sun event times for a date range and location' indicate a read-only query operation that retrieves astronomical data without any side effects or modifications to data.
Attacks that exploit this kind of access
Get sun rise/set and other sun event times for a date range and location. It is categorised as a Read tool in the LocalTides MCP Server MCP Server, which means it retrieves data without modifying state.
Register the LocalTides MCP Server MCP server in PolicyLayer and add a rule for get_sun_times_range: 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 LocalTides MCP Server. Nothing to install.
get_sun_times_range 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_sun_times_range 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_sun_times_range. 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_sun_times_range is provided by the LocalTides MCP Server MCP server (ryancardin15/noaa-tidesandcurrents-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.
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