{
  "protocolVersion": "1.0",
  "name": "Tool-Result Context Binding",
  "description": "Stamp each tool result at production time with its producing context (task/execution, tool + argument hash, authorization scope, environment digest, causal sequence, TTL); at consumption time verify the stamp and enforce the verdict - VALID / STALE / WRONG-TASK / DUPLICATE / OUT-OF-ORDER / INVALID - fail-closed for state-changing actions. Solo $9/mo, Fleet $19/mo, verdict API $0.001 per check via x402; first month free once per operator.",
  "url": "https://textforagents.com/products/tool-result-context-binding/",
  "supportedInterfaces": [
    {
      "url": "https://textforagents.com/products/tool-result-context-binding/",
      "protocolBinding": "HTTP+JSON",
      "protocolVersion": "1.0"
    }
  ],
  "provider": {
    "organization": "TextForAgents LLC",
    "url": "https://textforagents.com"
  },
  "version": "1.0.0",
  "documentationUrl": "https://textforagents.com/products/tool-result-context-binding/llms.txt",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://x402.org",
        "description": "Paid access settles via x402 (scheme exact, Base mainnet USDC) to payTo 0x7a482F3B58780519880a6A13F983E958f2Ed6A61 (textforagents.base.eth). Self-serve: POST /register then POST /trial (one-time free trial) or POST /subscribe on the product base URL.",
        "required": false
      }
    ]
  },
  "securitySchemes": {
    "bearer": {
      "type": "http",
      "scheme": "bearer",
      "description": "Opaque per-customer API token issued self-serve via POST /register + POST /trial or /subscribe on the product base URL."
    }
  },
  "security": [
    {
      "bearer": []
    }
  ],
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "bind-result",
      "name": "Bind a tool result",
      "description": "Stamp a tool result with its producing context at production time.",
      "tags": [
        "provenance",
        "context",
        "integrity"
      ]
    },
    {
      "id": "verdict-check",
      "name": "Verify a bound result",
      "description": "Verify a result stamp at consumption time and enforce the verdict, fail-closed for state-changing actions.",
      "tags": [
        "provenance",
        "verification",
        "x402"
      ]
    }
  ]
}