Elfa Ai MCP Server

Model Context Protocol server for the Elfa API - crypto social intelligence from X and Telegram, plus Auto, a condition engine that watches the market and fires an action when your conditions are met. Its 14 documented tools cover auto, stream, chat. It runs locally over stdio via the published package.

People who work with auto, stream and chat and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-23 · ★ 7 · #25 OF 109 MAINTAINED COMMUNICATION · VERIFIED 2026-09-30

MIT · TypeScript servers · how we verify → /methodology

01 · Install Elfa Ai MCP Server

before you install - you'll need

Set ELFA_API_KEY, ELFA_MCP_RESOURCE_URL, ELFA_OAUTH_ISSUER, ELFA_OAUTH_INTROSPECTION_URL, ELFA_OAUTH_INTROSPECTION_TOKEN before connecting. ELFA_MCP_TRANSPORT, ELFA_MCP_ALLOWED_HOSTS, ELFA_MCP_AUTH are optional or environment-specific per the README.

Claude Code

claude mcp add elfa-ai-mcp -- npx -y @elfa-ai/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "elfa-ai-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@elfa-ai/mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @elfa-ai/mcp - published under the repo owner's npm scope (@elfa-ai)

registry vendor namespace ai.elfa - domain-verified with the official MCP registry

03 · What Elfa Ai MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

An agent gets 14 documented tools spanning auto, stream, chat, including api_status, mentions, trending, narratives.

Capability map

Tools grouped from the project's README - what Elfa Ai MCP Server lets an agent do.

Auto

7 tools - e.g. read; read; read

auto_build · auto_validate · auto_query · auto_query_write · auto_draft · auto-stream-queries-v2…

Api

1 tool - e.g. read

api_status

Mentions

1 tool - e.g. read

mentions

Trending

1 tool - e.g. read

trending

Narratives

1 tool - e.g. read

narratives

Account

1 tool - e.g. read

account_stats

Market

1 tool - e.g. read

market_chat

Chat

1 tool - e.g. A tool call returns one result, so streaming adds nothing. market_chat covers the same analysis.

chat-stream-v2

Latest releases

v4.3.0 · 2026-09-23

Changes · Changed · Plan-gated tools say so up front. The server reads the key's scopes from /v2/key-status: once at startup on stdio, and per request on HTTP, cached for a minute per key. When the plan doesn't include…

v4.2.0 · 2026-09-23

Changes · Added · OAuth sign-in for hosted deployments (ELFA_MCP_AUTH=oauth, HTTP transport only). Clients such as ChatGPT, Claude and Codex can connect with a browser sign-in instead of an API key. The server acts as…

v4.1.0 · 2026-09-22

Changes · Security · DNS rebinding protection is now armed by default on the HTTP transport. enableDnsRebindingProtection was only passed when ELFA_MCP_ALLOWED_ORIGINS was set, and that variable is unset in the…

04 · Who maintains Elfa Ai MCP Server

mcp is maintained by elfa-ai. It's the only MCP server we track from this author; the repo dates to Mar 2025.

05 · Facts

repository: github.com/elfa-ai/mcp
website: https://docs.elfa.ai/
category: communication - ranked #25 of 109 actively-maintained communication servers as of 2026-09-30.
release cadence: 7 releases in the last 90 days (latest 2026-09-23)
registry: ai.elfa/mcp (active, first published 2026-08-06 · 5 versions)
packages: npm:@elfa-ai/mcp

06 · Elfa Ai MCP Server FAQ

Is Elfa Ai MCP Server still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-23 and it shipped 7 releases in the last 90 days. We re-verify nightly.

What can Elfa Ai MCP Server do?

An agent gets 14 documented tools spanning auto, stream, chat, including api_status, mentions, trending, narratives.

How do I install Elfa Ai MCP Server?

Run `npx -y @elfa-ai/mcp`. The README documents 8 environment variables (ELFA_API_KEY, ELFA_MCP_TRANSPORT, ELFA_MCP_ALLOWED_HOSTS…) to set first. Set ELFA_API_KEY, ELFA_MCP_RESOURCE_URL, ELFA_OAUTH_ISSUER, ELFA_OAUTH_INTROSPECTION_URL, ELFA_OAUTH_INTROSPECTION_TOKEN before connecting. ELFA_MCP_TRANSPORT, ELFA_MCP_ALLOWED_HOSTS, ELFA_MCP_AUTH are optional or environment-specific per the README. You can also paste the ready-made client config above.

Does Elfa Ai MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Elfa Ai MCP Server

Alternatives to Elfa Ai MCP Server

Maintained communication servers if Elfa Ai MCP Server isn't the fit.

Pairs well with

Servers that cover what Elfa Ai MCP Server doesn't - only shown when the pairing reason fits the companion.

More communication MCP servers · Feishu User Plugin · Vibe Prospecting · prompts.chat MCP Server · Technocore Chat · Flow Castle

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