{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/Godman-s/aiax/main/schemas/manifest.schema.json",
  "title": "AIAX Manifest (Tier 0)",
  "description": "The /.well-known/aiax.json document. Target size: 100-300 tokens.",
  "type": "object",
  "required": [
    "aiax_version",
    "product",
    "entry_points",
    "pricing_summary",
    "trust_signals",
    "mcp_endpoint",
    "updated_at"
  ],
  "properties": {
    "aiax_version": {
      "type": "string",
      "description": "AIAX protocol version this document conforms to.",
      "enum": ["0.1"]
    },
    "product": {
      "type": "object",
      "required": ["name", "one_line_purpose", "domain"],
      "additionalProperties": false,
      "properties": {
        "name": { "type": "string", "maxLength": 60 },
        "one_line_purpose": { "type": "string", "maxLength": 160 },
        "domain": {
          "type": "string",
          "description": "Free-text domain tag (e.g. 'agent-invoicing', 'clinical-research', 'defi-payments').",
          "maxLength": 60
        }
      }
    },
    "entry_points": {
      "type": "array",
      "description": "Tier 1 capability sections available on this surface.",
      "minItems": 1,
      "items": {
        "type": "object",
        "required": ["id", "url", "purpose", "est_tokens"],
        "additionalProperties": false,
        "properties": {
          "id": {
            "type": "string",
            "description": "Section identifier; matches the section_id in the Tier 1 document.",
            "pattern": "^[a-z0-9][a-z0-9_-]{0,60}$"
          },
          "url": {
            "type": "string",
            "format": "uri-reference",
            "description": "Absolute URL or path-relative URI reference (RFC 3986) to the Tier 1 section."
          },
          "purpose": {
            "type": "string",
            "description": "One-line summary of what this section covers.",
            "maxLength": 200
          },
          "est_tokens": {
            "type": "integer",
            "minimum": 1,
            "maximum": 5000,
            "description": "Author's estimated token cost to fetch this section. Helps agents budget."
          }
        }
      }
    },
    "pricing_summary": {
      "type": ["string", "null"],
      "description": "One-line free-text pricing summary (e.g. '0.01 USDC per invoice'), or null.",
      "maxLength": 200
    },
    "trust_signals": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "score": {
          "type": ["number", "null"],
          "minimum": 0,
          "maximum": 100,
          "description": "Sovereign Constitutional Output Rating (0-100), or null."
        },
        "pact_endpoint": {
          "type": ["string", "null"],
          "format": "uri",
          "description": "URL to initiate PACT negotiation."
        },
        "drs_receipt_count": {
          "type": ["integer", "null"],
          "minimum": 0,
          "description": "Lifetime count of settled DRS receipts."
        },
        "partnerships": {
          "type": "array",
          "maxItems": 5,
          "items": { "type": "string", "maxLength": 60 }
        }
      }
    },
    "mcp_endpoint": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "Tier 2 MCP server URL, or null if the surface is REST-only."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO-8601 timestamp of the most recent manifest update."
    },
    "llms_txt_url": {
      "type": "string",
      "format": "uri",
      "description": "Optional pointer to the narrative-counterpart llms.txt for this site."
    },
    "openapi_url": {
      "type": "string",
      "format": "uri",
      "description": "Optional pointer to an OpenAPI document if one exists for callable APIs."
    },
    "extensions": {
      "type": "object",
      "description": "Namespaced object for custom fields. Keys SHOULD use a vendor prefix.",
      "additionalProperties": true
    }
  },
  "additionalProperties": false
}

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