Daily climate records (max/min/mean temperature °C, total precipitation mm, snow on ground cm) for an Environment Canada station over a date range. Use a 7-digit climate identifier, e.g. "6158355" (TORONTO CITY) or "1108395" (VANCOUVER INTL A). Station IDs come from the climate-stations collectio...
AI agents call climate_daily to retrieve information from Mcp Weather Gc Ca without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
end_date | string | Yes | End date YYYY-MM-DD, e.g. "2026-05-07". Max 50 days returned. |
climate_id | string | Yes | ECCC climate identifier, e.g. "6158355" (TORONTO CITY). |
start_date | string | Yes | Start date YYYY-MM-DD, e.g. "2026-05-01". |
Parameters from the server's own tool schema.
This is a straightforward data retrieval tool that queries and returns historical weather records with no side effects. It matches the Read category definition: 'retrieves or queries data; no side effects.' The severity is low because accessing historical climate data poses minimal risk—there are no destructive, executable, or financial implications, and the data is public/official.
From the tool's definition Tool retrieves historical climate data (temperature, precipitation, snow records) for specified stations over date ranges. Uses keyless access to official ECCC (Environment and Climate Change Canada) data.
Attacks that exploit this kind of access
Daily climate records (max/min/mean temperature °C, total precipitation mm, snow on ground cm) for an Environment Canada station over a date range. Use a 7-digit climate identifier, e.g. "6158355" (TORONTO CITY) or "1108395" (VANCOUVER INTL A). Station IDs come from the climate-stations collection. Keyless, official ECCC data. It is categorised as a Read tool in the Mcp Weather Gc Ca MCP Server, which means it retrieves data without modifying state.
climate_daily accepts 3 parameters: end_date, climate_id, start_date. Required: end_date, climate_id, start_date. The full parameter table on this page comes from the server's own tool schema.
Register the Mcp Weather Gc Ca MCP server in PolicyLayer and add a rule for climate_daily: 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 Mcp Weather Gc Ca. Nothing to install.
climate_daily 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 climate_daily 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 climate_daily. 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.
climate_daily is provided by the Mcp Weather Gc Ca MCP server (https://gateway.pipeworx.io/weather-gc-ca/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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