{
  "name": "Zambo",
  "description": "Use real AI tools through https://zambo.dev/mcp. Free to start; daily allowances vary by tool and are listed in each tool's contract. A receipt shows what was recorded and that it has not been altered. It does not prove the answer is right.",
  "url": "https://zambo.dev/mcp",
  "provider": {
    "organization": "zambo.dev",
    "url": "https://zambo.dev",
    "builder": "Brennan Zambo"
  },
  "version": "4.0.0",
  "protocolVersion": "0.3.0",
  "defaultInputModes": ["text/plain", "application/json"],
  "defaultOutputModes": ["application/json"],
  "documentationUrl": "https://zambo.dev/for-agents",
  "authentication": {
    "required": false
  },
  "pricing": {
    "free": "Per-tool allowances in tools/list contracts; no API key or signup to start",
    "signal": "40 calls/tool/day with verified Signal identity",
    "agent_day_pass": "$0.99 USDC on Base via x402 for 24 hours; explicit human approval is required before signing or submitting payment",
    "human_day_pass": "Use the one-time Day Pass checkout. PayPal also works at https://zambo.dev/day-pass. A person must approve the payment.",
    "zambo_pass": "$29/month for humans",
    "annual_pass": "$290/year",
    "verified_zambo_holder_pass": "$19/month with $10+ of $ZAMBO"
  },
  "capabilities": {
    "receipts": true,
    "crossClientContinuity": true,
    "workflowReceipts": true,
    "streaming": false,
    "pushNotifications": false
  },
  "workflowReceiptGuideUrl": "https://zambo.dev/answers/what-is-a-workflow-receipt/",
  "features": [
    {
      "name": "workflow receipt",
      "definitionUrl": "https://zambo.dev/answers/what-is-a-workflow-receipt/",
      "description": "A workflow receipt connects unchanged step receipts through a Merkle root that can be checked in the browser."
    }
  ],
  "answers": [
    {
      "question": "What is a workflow receipt?",
      "url": "https://zambo.dev/answers/what-is-a-workflow-receipt/",
      "summary": "A public definition of how a workflow receipt connects step receipts for independent verification."
    }
  ],
  "skills": [
    {
      "id": "zambo_universal",
      "name": "Run a real job",
      "description": "Send a natural-language job through the Zambo MCP connection and return explicit status plus a verifiable receipt on success.",
      "tags": ["work", "execution", "receipts"]
    },
    {
      "id": "day_pass_activate",
      "name": "Agent Day Pass",
      "description": "Receive the live x402 challenge and settle the $0.99 USDC Day Pass only after explicit human approval. HTTP clients may use the official x402 SDK with the same approval gate.",
      "tags": ["payments", "x402", "base", "usdc", "day-pass"]
    }
  ]
}