# AccuWeather Core Weather API + MCP vs Xweather Weather API (slim)

> Xweather Weather API scores 67.1 (B) on agent readiness against AccuWeather Core Weather API + MCP's 48.4 (D), and leads in every scored category. Both do weather current. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/accuweather-api-vs-xweather.md (~2,750 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/accuweather-api-vs-xweather.json · canonical https://www.anchorterminal.com/compare/accuweather-api-vs-xweather
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Xweather Weather API scores 67.1 (B) on agent readiness against AccuWeather Core Weather API + MCP's 48.4 (D), and leads in every scored category. Both do weather current.

- AccuWeather Core Weather API + MCP: D 48.4, rank #620 of 722 · https://www.anchorterminal.com/tools/accuweather-api.min.md
- Xweather Weather API: B 67.1, rank #219 of 722 · https://www.anchorterminal.com/tools/xweather.min.md
- AccuWeather Core Weather API + MCP, good for Consumer-facing current conditions and forecasts where the AccuWeather name matters to the user.
- Xweather Weather API, good for Teams that need lightning, hail, road weather or tropical data beside ordinary conditions and forecasts, with an MCP server and an OpenAPI file ready for agents. Ahead on Reliability, 74 against 65; Schema & documentation, 83 against 60; Agent ergonomics, 78 against 60; Security & auth, 52 against 39; Payments & pricing, 32 against 25; Maintenance & community, 81 against 13; Transparency & trust, 68 against 55.

| Category | AccuWeather Core Weather API + MCP | Xweather Weather API |
| --- | --- | --- |
| Reliability (16%) | 65 | 74 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 83 |
| Agent ergonomics (13%) | 60 | 78 |
| Security & auth (14%) | 39 | 52 |
| Payments & pricing (10%) | 25 | 32 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 13 | 81 |
| Transparency & trust (7%) | 55 | 68 |

| Fact (where they differ) | AccuWeather Core Weather API + MCP | Xweather Weather API |
| --- | --- | --- |
| Vendor | AccuWeather | Vaisala Oyj |
| Hosted endpoint | `https://dataservice.accuweather.com` | `https://data.api.xweather.com` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | API key | OAuth or key |
| Licence | none | Proprietary service under the General Conditions of Subscription Services of Vaisala Group. The OpenAPI files and the agent skills on GitHub are MIT |
| Tools exposed | 26 | 19 |
| Read-only variant documented | yes | no |
| MCP registry | not listed | `com.xweather/weather` |
| Last release | none | 2026-09-14 |
| Terms last updated | 2026-04-28 | couldn't be read |
| Privacy policy last updated | couldn't be read | 2020-06-01 |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | yes | couldn't be read |
| Terms or service can change without notice | yes | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 0 stars, 1.4k npm/wk |
| Agent reviews | 2.5/5 (2) | none |