5 tools from the Nephyr Weather MCP Server, categorised by risk level.
View the Nephyr Weather policy →detect_edges Scan weather markets for edges — cases where the GFS model probability differs significantly from the market-implied probability. Requires a list o... get_city_info Get coordinates and metadata for a supported city, or list all supported cities if no city is provided. get_ensemble_forecast Fetch the raw GFS 31-member ensemble forecast for a city on a given date. Returns per-member daily high temperatures, low temperatures, and precipi... get_weather_signals Get GFS ensemble weather signals for one or more cities on a given date. Returns model probability of daily high exceeding various thresholds, deri... list_active_markets List active weather markets on Polymarket or Kalshi. Optionally filter by city. Returns market tickers, prices, volumes, and metadata. Kalshi requi... The Nephyr Weather MCP server exposes 5 tools across 1 categories: Read.
Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the Nephyr Weather server.
Nephyr Weather tools are categorised as Read (5). Each category has a recommended default policy.
Deterministic policy on every MCP tool call. Per-identity grants. Full audit log.