payfetch

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.forum-labs/payfetch",
  "description": "x402 paying-fetch client for AI agents. Spending caps, approval, receipts. Non-custodial.",
  "repository": {
    "url": "https://github.com/forum-labs/payfetch",
    "source": "github"
  },
  "version": "1.0.0",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@forum-labs/payfetch",
      "version": "1.0.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "0x-hex EVM private key for a DEDICATED low-balance wallet. Set exactly ONE signer source.",
          "format": "string",
          "isSecret": true,
          "name": "PAYFETCH_PRIVATE_KEY"
        },
        {
          "description": "Path to a chmod-600 file holding a 0x-hex key (signer alt).",
          "format": "string",
          "name": "PAYFETCH_KEY_FILE"
        },
        {
          "description": "Coinbase CDP server-wallet key id (YOUR account).",
          "format": "string",
          "isSecret": true,
          "name": "PAYFETCH_CDP_API_KEY_ID"
        },
        {
          "description": "Coinbase CDP API key secret.",
          "format": "string",
          "isSecret": true,
          "name": "PAYFETCH_CDP_API_KEY_SECRET"
        },
        {
          "description": "Coinbase CDP wallet secret.",
          "format": "string",
          "isSecret": true,
          "name": "PAYFETCH_CDP_WALLET_SECRET"
        },
        {
          "description": "Optional named CDP EVM account.",
          "format": "string",
          "name": "PAYFETCH_CDP_ACCOUNT_NAME"
        },
        {
          "description": "Ledger/state/config root. Default ~/.payfetch.",
          "format": "string",
          "name": "PAYFETCH_DATA_DIR"
        },
        {
          "description": "Any value -> receipts test:true, Base mainnet refused (Sepolia only).",
          "format": "string",
          "name": "PAYFETCH_TEST_MODE"
        },
        {
          "description": "Set to 1 to grant approval authority (never with a queue-capable mode).",
          "format": "string",
          "name": "PAYFETCH_APPROVER"
        },
        {
          "description": "Optional via= attribution slug sent on guard calls only.",
          "format": "string",
          "name": "PAYFETCH_VIA"
        }
      ]
    }
  ]
}