MCP Comparison · 2026
OpenWeatherMap vs Time MCP Server
Comparing OpenWeatherMap and Time as MCP servers? OpenWeatherMap (fetch weather & forecasts) is best when trip planning assistants. Time (time & timezone) is best when giving an agent the current time. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| OpenWeatherMap | Time | |
|---|---|---|
| Primary function | Fetch Weather & Forecasts | Time & Timezone |
| Maintainer | Community | Anthropic (modelcontextprotocol) |
| Pricing | Freemium | Open source |
| Setup complexity | Low · ~3 min | Low · ~2 min |
| Transport | stdio | stdio |
| Auth model | API key | None |
| License | MIT | MIT |
| Language | TypeScript | Python |
| Latest version | latest | latest |
| Compatible clients | Claude, Cursor, Any MCP-compatible client | Claude, Claude Code, Cursor, VS Code, Zed, Any MCP-compatible client |
| Last verified | 2026-08-19 | 2026-08-31 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose OpenWeatherMap
- Trip planning assistants
- Logistics weather checks
- Event-day briefings
Choose Time
- Giving an agent the current time
- Cross-timezone meeting math
- Travel arrival-time reasoning
Pick something else if…
- Aviation or marine forecasting
- Recurring-event scheduling
Feature breakdown
Key capabilities each server ships out of the box.
OpenWeatherMap
- Current weather by coordinates or city
- 5-day / 3-hour forecast
- Historical observations
- Weather alerts where available
- Lightweight, fast
Time
- get_current_time for any IANA timezone
- convert_time between two IANA zones
- Automatic system-timezone detection
- No API key, no network, no account
- First-party Anthropic reference server
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
OpenWeatherMap vs Time: which MCP server should I use?
Pick OpenWeatherMap when trip planning assistants. Pick Time when giving an agent the current time. OpenWeatherMap is built for fetch weather & forecasts, while Time focuses on time & timezone.
Can I run both OpenWeatherMap and Time together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. OpenWeatherMap's last verification: 2026-08-19. Time's last verification: 2026-08-31. We refresh detail-page facts on every catalog rebuild.
More OpenWeatherMap comparisons
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