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Toll402 SDKs, MCP server and docs — pay-per-call tools for AI agents via x402 (USDC on Base). https://toll402.dev

Setup

Choose your client, copy the config, then fill in any required environment variables.

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Local

claude mcp add toll402 --env TOLL402_WALLET_KEY='<TOLL402_WALLET_KEY>' --env TOLL402_API_KEY='<TOLL402_API_KEY>' -- npx -y toll402-mcp

Remote

claude mcp add --transport http toll402 https://toll402.dev/connector/mcp

Environment variables

  • TOLL402_WALLET_KEY
  • TOLL402_API_KEY

Replace the placeholders with your own credentials and keep them out of version control.