noaa-ncei-get-daily-summaries
Fetch GHCN daily summaries (TMAX/TMIN/PRCP/etc.) from NCEI for one or more stations.
This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/noaa-ncei-get-daily-summaries.md
What noaa-ncei-get-daily-summaries does on Meta Data Mcp
AI agents call noaa-ncei-get-daily-summaries to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why noaa-ncei-get-daily-summaries is rated Low
This tool retrieves historical weather data (temperature, precipitation summaries) from a public government database. It has no side effects, does not modify data, execute code, or affect finances. The blast radius of misuse is minimal — an agent could retrieve excessive data or spam the API, but cannot alter records or cause harm beyond resource consumption.
From the tool's definition Tool name and description indicate fetching/retrieving climate data: 'Fetch GHCN daily summaries' from NOAA NCEI. Action verbs are 'Fetch' and 'Query', typical of read operations. No mention of modification, deletion, code execution, or financial impact.
Attacks that exploit this kind of access
The rule that runs noaa-ncei-get-daily-summaries safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For noaa-ncei-get-daily-summaries, this is the rule to start with:
noaa-ncei-get-daily-summaries is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every noaa-ncei-get-daily-summaries call is checked against it from then on.
Questions about noaa-ncei-get-daily-summaries
Fetch GHCN daily summaries (TMAX/TMIN/PRCP/etc.) from NCEI for one or more stations. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.
Register the Meta Data MCP server in PolicyLayer and add a rule for noaa-ncei-get-daily-summaries: 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 Meta Data Mcp. Nothing to install.
noaa-ncei-get-daily-summaries 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 noaa-ncei-get-daily-summaries 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 noaa-ncei-get-daily-summaries. 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.
noaa-ncei-get-daily-summaries is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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