ESIM Tabby vs MCP Graphql
A side-by-side look at the ESIM Tabby and MCP Graphql MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
E
ESIM TabbyDeveloper ToolsFind, buy, and manage prepaid travel eSIM data plans without leaving the conversation.37FairAuth: not declaredVerdict: choose ESIM Tabby for developer tools work; choose MCP Graphql for developer tools as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
EChoose ESIM Tabby when
- You need dedicated capabilities in the Developer Tools domain.
Choose MCP Graphql when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
introspect-schema, query-graphql.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | E ESIM Tabby | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 37/100 · Fair | 57/100 · Good |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
Tools & capabilities
ESIM Tabby tools
No tool names declared yet. Check the project README from the listing page.
MCP Graphql tools 2
introspect-schemaThis tool retrieves the GraphQL schema. Use this first if you don't have access to the schema as a resource.query-graphqlExecute GraphQL queries against the endpoint. By default, mutations are disabled unless `ALLOW_MUTATIONS` is set to `true`.
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 Tabby
No confirmed install command for ESIM Tabby yet — follow the setup steps linked from its listing page rather than a guessed package name.
MCP Graphql
{
"mcpServers": {
"blurrah-mcp-graphql": {
"command": "npx",
"args": [
"-y",
"mcp-graphql"
]
}
}
}
Frequently asked questions
ESIM Tabby is categorized under Developer Tools and uses an install path we have not confirmed yet. MCP Graphql belongs to Developer Tools and uses a local stdio subprocess. Pick ESIM Tabby for developer tools work and MCP Graphql for developer tools.
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. ESIM Tabby has no confirmed install command yet — follow its own setup instructions.
ESIM Tabby has no declared pricing — check the project's own site. MCP Graphql is listed as free. Auth: no auth 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-tabby-2 and blurrah-mcp-graphql as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, ESIM Tabby has a quality signal of 37/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. MCP Graphql has 57/100 (Good) with 4 views, 0 installs and 408 GitHub stars.
