Clawpay MCP Server

by up2itnow0822io.github.up2itnow0822/clawpayv3.0.1

Non-custodial x402 payments for AI agents on Base: agents sign transactions from their own wallet with on-chain spend limits.

8Node.jsstdioofficial registry

context tax

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security

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freshness

Active2d ago

Install Clawpay MCP server

claude mcp add clawpay -e AGENT_PRIVATE_KEY='<agent-private-key>' -- npx -y clawpay-mcp

{
  "mcpServers": {
    "clawpay": {
      "command": "npx",
      "args": [
        "-y",
        "clawpay-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "clawpay": {
      "command": "npx",
      "args": [
        "-y",
        "clawpay-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "clawpay": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "clawpay-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "clawpay": {
      "command": "npx",
      "args": [
        "-y",
        "clawpay-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
AGENT_PRIVATE_KEY	yes	yes	Private key for the agent wallet (hex string)
BASE_RPC_URL	—	—	Base RPC URL for on-chain operations

Freshness

Active — last maintenance signal 2d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-07 · 2d ago · GitHub
Latest release
2026-08-29 · 41d ago · GitHub · v4.1.17
Package published
no data · npm/PyPI
Registry entry updated
2026-03-20 · 7mo ago · official registry · v3.0.1

FAQ

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

Run: claude mcp add clawpay -e AGENT_PRIVATE_KEY='<agent-private-key>' -- npx -y clawpay-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Clawpay require an API key?

Yes. It expects AGENT_PRIVATE_KEY, of which 1 is a secret.

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

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

›Is Clawpay in the official MCP registry?

Yes, as io.github.up2itnow0822/clawpay.