serp402 MCP Server

com.serp402/mcpv1.0.0

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Active10d ago

Install serp402 MCP server

claude mcp add serp402 -e SERP402_EVM_PRIVATE_KEY='<serp402-evm-private-key>' -e SERP402_SOLANA_PRIVATE_KEY='<serp402-solana-private-key>' -- npx -y serp402-mcp

{
  "mcpServers": {
    "serp402": {
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<serp402-evm-private-key>",
        "SERP402_SOLANA_PRIVATE_KEY": "<serp402-solana-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "serp402": {
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<serp402-evm-private-key>",
        "SERP402_SOLANA_PRIVATE_KEY": "<serp402-solana-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "serp402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<serp402-evm-private-key>",
        "SERP402_SOLANA_PRIVATE_KEY": "<serp402-solana-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "serp402": {
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<serp402-evm-private-key>",
        "SERP402_SOLANA_PRIVATE_KEY": "<serp402-solana-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
SERP402_EVM_PRIVATE_KEY	—	yes	0x… key holding USDC on Base. Each search costs USD 0.005, charged to this wallet. Either this or the Solana key is required to search.
SERP402_SOLANA_PRIVATE_KEY	—	yes	ed25519 key (hex or base58) holding USDC on Solana. Alternative to the Base key.
SERP402_MAX_SPEND_USD	—	—	Stop searching after this much has been spent in one session. Default 1.00.
SERP402_ENDPOINT	—	—	Override the endpoint. Default https://serp402.com

Freshness

Active — last maintenance signal 10d ago. The newest of the signals below sets the band.

Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v1.0.0

FAQ

›How do I install the serp402 MCP server in Claude Code?

Run: claude mcp add serp402 -e SERP402_EVM_PRIVATE_KEY='<serp402-evm-private-key>' -e SERP402_SOLANA_PRIVATE_KEY='<serp402-solana-private-key>' -- npx -y serp402-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does serp402 require an API key?

Yes. It expects SERP402_EVM_PRIVATE_KEY, SERP402_SOLANA_PRIVATE_KEY, of which 2 are secrets.

›Can I use serp402 as a remote (hosted) MCP server?

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

›Is serp402 in the official MCP registry?

Yes, as com.serp402/mcp.