Elfa MCP vs Call4me
A side-by-side look at the Elfa MCP and Call4me MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Elfa MCP for communication work as a local process; choose Call4me for communication over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Elfa MCP when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- You want tools like
api_status, entities, events.
Choose Call4me when
- You need dedicated capabilities in the Communication domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: OAuth 2.0.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 59/100 · Good | 79/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | Not declared | OAuth 2.0 |
| Pricing | Not declared | Paid service |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Verified |
| GitHub stars | 7 | 14 |
| Directory activity | 2 views 0 installs 0 upvotes | 16 views 2 installs 2 upvotes |
| Tools | 16 | Not listed |
| Full listing | View Elfa MCP | View Call4me |
Tools & capabilities
Elfa MCP tools 16
api_statusCheck API key tier, credit usage and remaining requests, and historyFrom, how far back events, market and calls read. Also confirms the API is reachable.entitiesResolve a ticker, $cashtag, name, @handle, contract address, CoinGecko id, FIGI or CIK to the entity id that events and calls take. Matches exactly, it is not a search.eventsWhat is happening in crypto and equity markets. level=events for what happened and how prices reacted, level=storylines for one development threaded over days, level=arcs for storylines grouped into a larger movement. Searchable by topic.marketWhole-market views for crypto or equities. view=mindshare ranks assets by share of attention, view=call_book is the crowd's long/short lean hour by hour, view=trending_contracts ranks contract addresses by how many posts pasted them.callsPositions accounts take in posts. level=calls for each post that takes or changes a position, level=episodes for each position from open to close with the author's track record, level=positioning for open longs and shorts on one asset now.top_accountsX accounts ranked by standing (how much other accounts engage with them) or, with metric, by their track record as callers (alphaScore, hitRate, avgReturn).auto_buildTurn a plain-language monitoring request into an EQL query. Returns a draft to validate and activate, it does not activate anything itself.auto_validateCheck EQL syntax and get a cost estimate before activating, or check that a symbol has market data on a venue.auto_queryRead side of Auto: list queries, poll one query, and read its executions and LLM sessions.auto_query_writeActivate, cancel or delete an Auto query. Activated queries run unattended and fire their action when conditions are met.auto_draftManage inactive Auto drafts. Drafts do not evaluate until converted into an active query.mentionsSocial mentions from X and Telegram. mode=top ranks a ticker's mentions by engagement, mode=search filters by keyword or account, mode=news returns the token news feed, which is X posts from accounts tagged as news sources rather than articles from news outlets.- +4 more on the listing page
Call4me 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.
Elfa MCP
{
"mcpServers": {
"mcp-11": {
"command": "npx",
"args": [
"-y",
"@elfa-ai/mcp"
]
}
}
}
Call4me
{
"mcpServers": {
"call4me": {
"url": "https://call4.me/mcp"
}
}
}
Frequently asked questions
Elfa MCP is categorized under Communication and uses a local stdio subprocess. Call4me belongs to Communication and uses a remote HTTP/SSE transport. Pick Elfa MCP for communication work and Call4me for communication.
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.
Elfa MCP has no declared pricing — check the project's own site. Call4me is listed as a paid service. Auth: oauth 2.0. 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 mcp-11 and call4me as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Elfa MCP has a quality signal of 59/100 (Good) with 2 views, 0 installs and 7 GitHub stars. Call4me has 79/100 (Great) with 16 views, 2 installs and 14 GitHub stars.