Recon Crypto MCP Server

by szhygulinio.github.szhygulin/recon-crypto-mcpv0.3.1

Self-custodial crypto portfolio: EVM balances and DeFi positions with risk alerts, plus unsigned transactions signed on a Ledger via WalletConnect.

4Node.jsstdioofficial registry

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security

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freshness

Active9d ago

Install Recon Crypto MCP server

claude mcp add recon-crypto -e RPC_API_KEY='<rpc-api-key>' -e ETHERSCAN_API_KEY='<etherscan-api-key>' -e ONEINCH_API_KEY='<oneinch-api-key>' -e WALLETCONNECT_PROJECT_ID='<walletconnect-project-id>' -- npx -y recon-crypto-mcp

{
  "mcpServers": {
    "recon-crypto": {
      "command": "npx",
      "args": [
        "-y",
        "recon-crypto-mcp"
      ],
      "env": {
        "RPC_API_KEY": "<rpc-api-key>",
        "ETHERSCAN_API_KEY": "<etherscan-api-key>",
        "ONEINCH_API_KEY": "<oneinch-api-key>",
        "WALLETCONNECT_PROJECT_ID": "<walletconnect-project-id>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "recon-crypto": {
      "command": "npx",
      "args": [
        "-y",
        "recon-crypto-mcp"
      ],
      "env": {
        "RPC_API_KEY": "<rpc-api-key>",
        "ETHERSCAN_API_KEY": "<etherscan-api-key>",
        "ONEINCH_API_KEY": "<oneinch-api-key>",
        "WALLETCONNECT_PROJECT_ID": "<walletconnect-project-id>"
      }
    }
  }
}

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

{
  "servers": {
    "recon-crypto": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "recon-crypto-mcp"
      ],
      "env": {
        "RPC_API_KEY": "<rpc-api-key>",
        "ETHERSCAN_API_KEY": "<etherscan-api-key>",
        "ONEINCH_API_KEY": "<oneinch-api-key>",
        "WALLETCONNECT_PROJECT_ID": "<walletconnect-project-id>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "recon-crypto": {
      "command": "npx",
      "args": [
        "-y",
        "recon-crypto-mcp"
      ],
      "env": {
        "RPC_API_KEY": "<rpc-api-key>",
        "ETHERSCAN_API_KEY": "<etherscan-api-key>",
        "ONEINCH_API_KEY": "<oneinch-api-key>",
        "WALLETCONNECT_PROJECT_ID": "<walletconnect-project-id>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
ETHEREUM_RPC_URL	—	—	Custom Ethereum RPC endpoint (alternative to RPC_PROVIDER + RPC_API_KEY).
ARBITRUM_RPC_URL	—	—	Custom Arbitrum RPC endpoint.
POLYGON_RPC_URL	—	—	Custom Polygon RPC endpoint.
BASE_RPC_URL	—	—	Custom Base RPC endpoint.
RPC_PROVIDER	—	—	RPC provider name: 'infura' or 'alchemy'. Used together with RPC_API_KEY.
RPC_API_KEY	—	yes	API key for the chosen RPC_PROVIDER.
ETHERSCAN_API_KEY	—	yes	Etherscan API key for contract verification lookups.
ONEINCH_API_KEY	—	yes	1inch Developer Portal API key. Enables 1inch quote comparison in get_swap_quote.
WALLETCONNECT_PROJECT_ID	—	yes	WalletConnect Cloud project ID. Required for Ledger Live signing via WalletConnect.

Freshness

Active — last maintenance signal 9d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-30 · 9d ago · GitHub
Latest release
2026-05-05 · 5mo ago · GitHub · v0.14.4
Package published
no data · npm/PyPI
Registry entry updated
2026-04-14 · 6mo ago · official registry · v0.3.1

FAQ

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

Run: claude mcp add recon-crypto -e RPC_API_KEY='<rpc-api-key>' -e ETHERSCAN_API_KEY='<etherscan-api-key>' -e ONEINCH_API_KEY='<oneinch-api-key>' -e WALLETCONNECT_PROJECT_ID='<walletconnect-project-id>' -- npx -y recon-crypto-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Recon Crypto require an API key?

Yes. It expects RPC_API_KEY, ETHERSCAN_API_KEY, ONEINCH_API_KEY, WALLETCONNECT_PROJECT_ID, of which 4 are secrets.

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

No hosted endpoint is published; it runs locally over stdio.

›Is Recon Crypto in the official MCP registry?

Yes, as io.github.szhygulin/recon-crypto-mcp.