RemotePaid service

Surface Contract MCP server

dev.workers.penny-mcamp.penny-surface-contract/surface-contract

Surface contracts: API behavior evidence, x402 pre-payment check, MCP server preflight

Install Surface Contract in Claude Code

Claude Code
claude mcp add --transport http surface-contract https://penny-surface-contract.penny-mcamp.workers.dev/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "surface-contract": {
      "url": "https://penny-surface-contract.penny-mcamp.workers.dev/mcp"
    }
  }
}

Frequently asked questions

What does the Surface Contract MCP server do?

Surface contracts: API behavior evidence, x402 pre-payment check, MCP server preflight

Is the Surface Contract MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does Surface Contract run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Surface Contract to Claude Code?

Run: claude mcp add --transport http surface-contract https://penny-surface-contract.penny-mcamp.workers.dev/mcp

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