com.simowl/esim
SimOwl travel eSIM
Is the SimOwl travel eSIM MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
Travel eSIM plans for 145+ countries: prices, buy links, phone eSIM check, trip data estimate.
alive probed 2026-11-14 · unchanged since 2026-11-13 · HTTP 200
- Endpoint
- https://simowl.com/mcp (streamable-http)
- Host
- simowl.com
- Protocol
- 2025-11-25
- Reports itself as
- simowl-esim 1.0.0
- Capabilities
- tools
- Instructions
- 353 characters
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 973 tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 1.0k. The o200k_base estimate is 563. Counted again when the tool definitions change. Method.
- Website
- https://simowl.com
- Registry
- active, updated 2026-11-12 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.73×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| find_esim_plans | 467 | 270 | 48 % |
| estimate_trip_data | 197 | 114 | 20 % |
| check_phone_esim_support | 161 | 93 | 17 % |
| list_esim_destinations | 149 | 86 | 15 % |
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.