{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "card-registry-fly-dev-mcp",
  "title": "Card Registry \u00b7 Agent Card Publisher",
  "url": "https://card-registry.fly.dev/mcp",
  "category": "tools",
  "summary": "Registers agent-card.json files at permanent public URLs with URL-safe slugs for MCP discovery.",
  "seo": {
    "title": "Agent Card Registry API - x402 | MCP Card Hosting",
    "description": "Publish agent-card.json to permanent public URLs. $0.001 USDC per call. MCP-compatible agent card hosting. Base network."
  },
  "use_cases": [
    "Publish agent cards for MCP server discovery",
    "Host permanent agent configuration files",
    "Register AI agent metadata for interoperability"
  ],
  "ideal_buyer": "AI agent developers and MCP server operators needing permanent agent card hosting.",
  "example_prompt": "Register my agent card at slug 'my-agent-v1' with this JSON configuration",
  "example_request_body": {
    "card": {
      "name": "My Agent",
      "tools": [],
      "description": "An AI assistant"
    },
    "slug": "my-agent-v1"
  },
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "cheap_outlier",
    "ratio": 0.1,
    "median_category_atomic": 10000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0x856401af27a1d59a473a2a8bd92af3ccaa830376",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "1000",
      "max_timeout_seconds": 30,
      "mime_type": "application/json",
      "description": "Registers an agent-card.json at a permanent public URL. Pass a URL-safe slug and the card JSON object. The card will be hosted at /cards/{slug}.json.",
      "verified": false,
      "hints": {
        "input": {
          "type": "http",
          "method": "POST"
        },
        "output": {
          "type": "object",
          "required": [
            "hosted_at",
            "slug",
            "status"
          ],
          "properties": {
            "slug": {
              "type": "string"
            },
            "status": {
              "enum": [
                "created",
                "updated"
              ],
              "type": "string"
            },
            "hosted_at": {
              "type": "string",
              "description": "Public URL where the card is hosted"
            }
          }
        }
      }
    }
  ],
  "origin": {
    "slug": "card-registry-fly-dev",
    "host": "card-registry.fly.dev",
    "url": "https://card-registry.fly.dev"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/card-registry-fly-dev-mcp",
    "url": "https://x402all.com/resource/card-registry-fly-dev-mcp",
    "name": "Card Registry \u00b7 Agent Card Publisher",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/card-registry-fly-dev-mcp",
      "@type": "Offer",
      "price": "0.001",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.001000",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent",
      "additionalProperty": [
        {
          "@type": "PropertyValue",
          "name": "paymentNetwork",
          "value": "base"
        },
        {
          "@type": "PropertyValue",
          "name": "paymentAsset",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ]
    },
    "sameAs": "https://card-registry.fly.dev/mcp",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/card-registry-fly-dev",
      "url": "https://card-registry.fly.dev",
      "name": "card-registry.fly.dev",
      "@type": "Organization"
    },
    "identifier": "card-registry-fly-dev-mcp",
    "description": "Publish agent-card.json to permanent public URLs. $0.001 USDC per call. MCP-compatible agent card hosting. Base network.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=card-registry-fly-dev-mcp",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "tools"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=card-registry-fly-dev-mcp"
}