{"id":"ezh0v-weather-mcp-server","name":"weather-mcp-server","homepage":"https://news.ycombinator.com/item?id=43614582","repo_url":"https://github.com/ezh0v/weather-mcp-server","category":"ai-ml","subcategories":[],"tags":["mcp","weather","go","sse","stdio","tooling","self-hosted"],"what_it_does":"Weather API MCP server that exposes an MCP tool (e.g., current_weather) to fetch current weather data for a specified city, using WeatherAPI via an API key. Intended for use with AI assistants through MCP over stdio (local) or SSE (remote).","use_cases":["Ask an AI assistant for current weather by city","Build assistant workflows that need real-time weather context","Prototype location-aware conversational experiences using an MCP tool"],"not_for":["High-volume production weather querying without considering upstream rate limits","Use where strict data residency/compliance guarantees are required (not stated)","Use without protecting the WeatherAPI key (server expects WEATHER_API_KEY)"],"best_when":"You want a lightweight, self-hosted MCP tool for weather retrieval that can be plugged into an agent via Claude Desktop MCP configuration.","avoid_when":"You require strong built-in security controls (auth, scoped access) at the MCP server layer or you need documented reliability/SLA guarantees.","alternatives":["Other MCP/weather connectors (if available)","Direct WeatherAPI client integration in your application","Agent-side tool calling using WeatherAPI SDKs without an MCP server layer"],"af_score":47.2,"security_score":35.8,"reliability_score":25.0,"package_type":"mcp_server","discovery_source":["github"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-30T13:36:03.732538+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":"http://host:port/sse","has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":["API key via environment variable WEATHER_API_KEY"],"oauth":false,"scopes":false,"notes":"No MCP-server user auth is described; the only documented credential is the upstream WeatherAPI key passed via env var."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"The repo documentation does not describe pricing for the MCP server itself; it relies on WeatherAPI (which typically has its own billing/rate limits)."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":47.2,"security_score":35.8,"reliability_score":25.0,"mcp_server_quality":55.0,"documentation_accuracy":55.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":90.0,"rate_limit_clarity":10.0,"tls_enforcement":50.0,"auth_strength":15.0,"scope_granularity":10.0,"dependency_hygiene":40.0,"secret_handling":70.0,"security_notes":"Security posture is partially dependent on deployment: TLS usage and MCP-server authentication are not described. The server uses an upstream API key provided via env var (better than hardcoding), but there is no evidence of fine-grained access control or secrets redaction in logs from the provided README.","uptime_documented":0.0,"version_stability":40.0,"breaking_changes_history":30.0,"error_recovery":30.0,"idempotency_support":"true","idempotency_notes":"Weather lookup is read-only; repeated calls with the same city are generally idempotent (though external API behavior/caching may vary).","pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Upstream WeatherAPI failures/rate limits may surface as tool errors; README does not describe retry/backoff behavior.","Remote mode uses SSE URL; ensure network/proxy supports long-lived connections/timeouts.","Server requires WEATHER_API_KEY; missing/invalid key will likely cause tool failures."]}}