In-depth architectural comparison of the Weatherapi and Agentic Swmm Workflow MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Weatherapi
Environment & Nature · Local stdio
Quality: 49/100 (Fair) | Auth: No auth required
Agentic Swmm Workflow
Environment & Nature · Local stdio
Quality: 60/100 (Good) | Auth: API Key required
Verdict Summary: Choose Weatherapi if you need specialized Environment & Nature tools running via a local process. Choose Agentic Swmm Workflow if your workspace requires Environment & Nature integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Weatherapi when:
You need dedicated capabilities in the Environment & Nature domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Eleven MCP servers exposing a reproducible EPA SWMM stormwater-modelling workflow: model building, simulation runs with manifests and continuity checks, calibration, GIS/QGIS integration, design storms and climate scenarios, uncertainty analysis, plotting, and modelling memory. Config generators included for Codex, Claude Code, OpenClaw, and Hermes.
Category & Scope
Tools & Capabilities Breakdown
Weatherapi Tools (4)
current
Get current/real-time weather for a location, including temperature, condition, humidity, wind, UV, and air quality (AQI). Location can be a city name, "lat,lon", zip code, or IATA airport code. Example: current({ q: "London", aqi: true }).
forecast
Get a multi-day weather forecast for a location: daily high/low temperature, condition, chance of rain, total precipitation, and sunrise/sunset times. Up to 10 days. Example: forecast({ q: "Tokyo", days: 5 }).
astronomy
Get astronomy data for a location and date: sunrise, sunset, moonrise, moonset, moon phase, and moon illumination. Example: astronomy({ q: "Reykjavik", dt: "2026-06-21" }).
marine
Get marine/ocean conditions forecast for a coastal location: significant wave height, swell height, water temperature, and wind. Up to 7 days, sampled every 6 hours. Example: marine({ q: "33.7,-118.4", days: 2 }).
Agentic Swmm Workflow Tools (6)
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Weatherapi is categorized under Environment & Nature and uses a local stdio subprocess. In contrast, Agentic Swmm Workflow belongs to Environment & Nature using local stdio subprocess. Select Weatherapi when you need capabilities focused on environment & nature and Agentic Swmm Workflow when you require tools for environment & nature.