# LibreWXR > Self-hostable Rain Viewer-compatible weather radar API (radar/satellite tiles, weather alerts, lightning strikes) with a built-in MCP (Model Context Protocol) server for AI agents. Hosted instance API base: https://api.librewxr.net ## MCP Server - [MCP endpoint](https://api.librewxr.net/mcp/): Model Context Protocol over streamable HTTP (POST JSON-RPC; no auth; trailing slash required). Tools: get_precip_nowcast, get_active_alerts, get_storm_cells, get_recent_lightning - [MCP server card](https://api.librewxr.net/mcp/server-card): machine-readable server metadata (MCP SEP-2127 draft, application/mcp-server-card+json) - [MCP documentation](https://librewxr.net/docs/doc-viewer.html?doc=mcp-server): human-readable setup and tool reference ## API - [Weather maps metadata](https://api.librewxr.net/public/weather-maps.json): Rain Viewer v2-compatible frame catalog - [Health/status](https://api.librewxr.net/health): uptime, frame counts, MCP mount state - [Lightning strikes](https://api.librewxr.net/v2/lightning): recent GOES GLM lightning strikes as GeoJSON (full window, point+radius, or bbox) ## Docs - [Documentation index](https://librewxr.net/docs/) - [Integration examples](https://librewxr.net/examples/)