Esim MCP vs Ocean Schedules
A side-by-side look at the Esim MCP and Ocean Schedules MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Esim MCP for travel & transportation work as a local process; choose Ocean Schedules for travel & transportation. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Esim MCP when
- You need dedicated capabilities in the Travel & Transportation domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
CHEAPERESIM_API_BASE, CHEAPERESIM_API_TOKEN, CHEAPERESIM_TIMEOUT_MS. - You want tools like
search_destinations, list_plans, plan_trip.
Choose Ocean Schedules when
- You need dedicated capabilities in the Travel & Transportation domain.
- Its auth model fits you: API key required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Travel & Transportation | Travel & Transportation |
| Quality signal | 53/100 · Good | 32/100 · Emerging |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | Not declared | API key required |
| Pricing | Not declared | Freemium |
| Required env vars | CHEAPERESIM_API_BASECHEAPERESIM_API_TOKENCHEAPERESIM_TIMEOUT_MS | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 7 | Not listed |
| Full listing | View Esim MCP | View Ocean Schedules |
Tools & capabilities
Esim MCP tools 7
search_destinationsFind countries CheapereSIM sells eSIM plans for, by full or partial name.list_plansList eSIM plans for one country, cheapest first.plan_tripWork out the cheapest way to stay connected across several countries.get_plan_coverageList every country a regional or global plan covers.list_popular_destinationsList the destinations travellers buy eSIMs for most often.list_my_esimsList the eSIMs on the configured CheapereSIM account.get_esim_usageShow how much data is left on one eSIM.
Ocean Schedules tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Esim MCP
{
"mcpServers": {
"esim-mcp": {
"command": "npx",
"args": [
"-y",
"esim-mcp"
],
"env": {
"CHEAPERESIM_API_BASE": "YOUR_CHEAPERESIM_API_BASE_HERE",
"CHEAPERESIM_API_TOKEN": "YOUR_CHEAPERESIM_API_TOKEN_HERE",
"CHEAPERESIM_TIMEOUT_MS": "YOUR_CHEAPERESIM_TIMEOUT_MS_HERE"
}
}
}
}
Ocean Schedules
No confirmed install command for Ocean Schedules yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Esim MCP is categorized under Travel & Transportation and uses a local stdio subprocess. Ocean Schedules belongs to Travel & Transportation and uses an install path we have not confirmed yet. Pick Esim MCP for travel & transportation work and Ocean Schedules for travel & transportation.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Ocean Schedules has no confirmed install command yet — follow its own setup instructions.
Esim MCP has no declared pricing — check the project's own site. Ocean Schedules is listed as freemium — a free tier with paid plans. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add esim-mcp and ocean-schedules-2 as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Esim MCP has a quality signal of 53/100 (Good) with 1 views, 0 installs and 1 GitHub stars. Ocean Schedules has 32/100 (Emerging) with 0 views, 0 installs and 0 GitHub stars.