secondlayer MCP Server: Install & Setup

Install secondlayer in Claude Code

Claude Code

claude mcp add --transport http secondlayer https://api.secondlayer.tools/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "secondlayer": {
      "url": "https://api.secondlayer.tools/mcp"
    }
  }
}

Claude Code

claude mcp add secondlayer -- npx -y @secondlayer/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

Stacks chain data: contracts, events, transfers, subgraph scaffolds. Hosted with browser sign-in.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local + Remote. Can run locally or be used as a hosted remote server.

Run: claude mcp add --transport http secondlayer https://api.secondlayer.tools/mcp

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