Epsilon MCP Server

by alienbase-xyzio.github.alienbase-xyz/epsilonv0.4.0

Non-custodial limit, stop-loss and DCA trading on Epsilon (Robinhood Chain) for AI agents

Node.jsstdioremoteofficial registry

context tax

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security

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cold start

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freshness

Active4d ago

Install Epsilon MCP server

claude mcp add alienbase-xyz -e EPSILON_API_KEY='<epsilon-api-key>' -e EPSILON_WALLET_KEY='<epsilon-wallet-key>' -- npx -y @epsilon-exchange/mcp

{
  "mcpServers": {
    "alienbase-xyz": {
      "command": "npx",
      "args": [
        "-y",
        "@epsilon-exchange/mcp"
      ],
      "env": {
        "EPSILON_API_KEY": "<epsilon-api-key>",
        "EPSILON_WALLET_KEY": "<epsilon-wallet-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "alienbase-xyz": {
      "command": "npx",
      "args": [
        "-y",
        "@epsilon-exchange/mcp"
      ],
      "env": {
        "EPSILON_API_KEY": "<epsilon-api-key>",
        "EPSILON_WALLET_KEY": "<epsilon-wallet-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "alienbase-xyz": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@epsilon-exchange/mcp"
      ],
      "env": {
        "EPSILON_API_KEY": "<epsilon-api-key>",
        "EPSILON_WALLET_KEY": "<epsilon-wallet-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "alienbase-xyz": {
      "command": "npx",
      "args": [
        "-y",
        "@epsilon-exchange/mcp"
      ],
      "env": {
        "EPSILON_API_KEY": "<epsilon-api-key>",
        "EPSILON_WALLET_KEY": "<epsilon-wallet-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
EPSILON_API_KEY	yes	yes	Epsilon developer key (eps_…) — create one at developers.epsilon.exchange
EPSILON_WALLET_KEY	—	yes	0x-prefixed private key of a dedicated trading wallet; omit for read-only (quotes, order status, market stats)
EPSILON_REFERRER	—	—	Optional rev-share payout address (0x…): the referral leg of every fill routed by this server is paid there on-chain. Never changes the maker's fee — it only redirects the existing leg.

Remote endpoints

streamable-httphttps://api.epsilon.exchange/mcp

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
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Latest release
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Package published
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Registry entry updated
2026-10-05 · 4d ago · official registry · v0.4.0

FAQ

›How do I install the Epsilon MCP server in Claude Code?

Run: claude mcp add alienbase-xyz -e EPSILON_API_KEY='<epsilon-api-key>' -e EPSILON_WALLET_KEY='<epsilon-wallet-key>' -- npx -y @epsilon-exchange/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Epsilon require an API key?

Yes. It expects EPSILON_API_KEY, EPSILON_WALLET_KEY, of which 2 are secrets.

›Can I use Epsilon as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Epsilon in the official MCP registry?

Yes, as io.github.alienbase-xyz/epsilon.