402MCP MCP Server: Install & Setup

Install 402MCP in Claude Code

Claude Code

claude mcp add --transport http 402mcp https://402mcp.org/api/v1/mcp

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

{
  "mcpServers": {
    "402mcp": {
      "url": "https://402mcp.org/api/v1/mcp"
    }
  }
}

Decodes HTTP 402 challenges (L402, x402, MPP) and recommends agent payment rails from an open registry.

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

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

Run: claude mcp add --transport http 402mcp https://402mcp.org/api/v1/mcp

Pay-per-call data over x402 on Solana, Base and Polygon: prices, liquidity, balances, txs and token analytics.

Pre-trade risk screen for EVM and Solana tokens: honeypots, LP lock, holders; $0.05 via x402.

Crypto token scam checks, wallet risk, gas, web search and live docs; free daily trial, then USDC credits or x402.

UK CIS calculators: deductions, filing deadlines, late return penalties, gross payment test and verification.

AEGISGOVDAO/aegisgov-sec-mcp

SEC EDGAR data: search public companies, retrieve 10-K, 10-Q and 8-K filings, and access XBRL financial data.

stripe/agent-toolkit

Interact with Stripe API