curl --request GET \
  --url https://gateway.example.com/v1/manifest \
  --header 'Authorization: Bearer <token>'

{
  "version": "2026-03-18",
  "gateway": {
    "id": "acme.gateway",
    "name": "Acme Gateway",
    "url": "https://gateway.example.com",
    "auth": {
      "type": "bearer"
    },
    "capabilities": {
      "asyncJobs": true,
      "jobCallbacks": true,
      "approvals": true
    }
  },
  "agent": {
    "id": "customer-research-agent",
    "name": "Customer Research Agent",
    "description": "Internal workflow layer exposed through the gateway."
  },
  "actions": [
    {
      "id": "context.fetch_pricing",
      "name": "fetch_pricing_context",
      "title": "Fetch pricing context",
      "description": "Return a compact internal pricing summary.",
      "executionMode": "sync",
      "inputSchema": {
        "type": "object",
        "properties": {
          "topic": {
            "type": "string"
          }
        },
        "required": [
          "topic"
        ],
        "additionalProperties": false
      },
      "requiresApproval": false,
      "sideEffectLevel": "read",
      "idempotent": true
    }
  ],
  "callbacks": {
    "jobResults": true,
    "approvals": true
  }
}