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Agent402.Tools: pay-per-call web tools

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Agentic Finance: 500+ tools for AI agents over x402 or MPP, free via PoW, or prepaid card credits

Homepage Verified source GitHub

Install

npx -y [email protected]

Configuration Example

{
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://agent402.tools/mcp"
    }
  ],
  "packages": [
    {
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "identifier": "agent402-mcp",
      "version": "0.13.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Hex private key of a wallet funded with USDC on Base, Solana, Polygon, Arbitrum, Monad, Celo, Avalanche, Sei, Optimism, Stellar or Algorand (or USDG on Robinhood Chain). Unset = proof-of-work mode (free pure-CPU tools).",
          "isSecret": true,
          "name": "AGENT_KEY"
        },
        {
          "description": "Optional hard cap on total USDC spent per session (e.g. 1.00). Refused before any payment is signed.",
          "name": "AGENT402_BUDGET"
        },
        {
          "description": "Optional max USD price for any single call (e.g. 0.01).",
          "name": "AGENT402_MAX_PER_CALL"
        },
        {
          "description": "Prepaid card-credits key (a402_...) from https://agent402.tools/credits. With it set and no wallet key, every tool pays by card; the list price is debited only on a successful call.",
          "isSecret": true,
          "name": "AGENT402_CREDITS_KEY"
        },
        {
          "description": "Optional base58 (or JSON byte-array) secret key of a Solana wallet funded with USDC on Solana.",
          "isSecret": true,
          "name": "SOLANA_AGENT_KEY"
        },
        {
          "description": "Optional: restrict and order the chains to pay on (e.g. \"base,solana\" or a CAIP-2 like eip155:4663).",
          "name": "AGENT402_NETWORKS"
        }
      ]
    }
  ]
}
mcp model-context-protocol streamable-http npm

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