What does it mean that json-repair.agentdiet.dev is verified for UCP?

It means json-repair.agentdiet.dev publishes a valid UCP profile at /.well-known/ucp, the profile passes schema validation against 2026-08-25, and AI agents can discover its commerce capabilities without needing to scrape HTML. That is what the store declares. Whether an agent actually completes a purchase is a separate question — where an observed agent run is shown on this page, it answers that one.

Can I trust json-repair.agentdiet.dev for AI agent purchases?

Verified means the store publishes a UCP profile at /.well-known/ucp that passes schema validation, with its services and payment handlers declared. Where we call a service, such as asking an MCP service for its tools, this page shows the answer; services we did not call are marked as declared only. It doesn't grade business reputation or fulfilment quality. For trust on the commerce side itself, check the store's own reviews. For the agent integration side, this page shows what the store's UCP profile declares and whether it validates.

What platform does json-repair.agentdiet.dev use for UCP?

Our detection identifies json-repair.agentdiet.dev as running on Shopware. Many large UCP-verified stores use Shopify, BigCommerce, or custom stacks built on the open spec. The transport list above shows the exact mechanism (REST, MCP, A2A, Embedded) the profile declares.

How was this UCP report for json-repair.agentdiet.dev generated?

Our crawler fetches json-repair.agentdiet.dev/.well-known/ucp directly, parses the profile against the official UCP JSON schema, checks robots.txt for its rules for AI crawlers, and runs payment-handler validation. No manual review, no opinions — just what the profile actually says. The check ran 7 seconds ago.

How do I get a newer result for json-repair.agentdiet.dev?

This page shows the stored result of our last check and when it was observed. To run a new check, use Check again on this page.

Why does this status matter?

Universal Commerce Protocol is an open standard that lets a UCP agent find out what a store sells, build a cart and check out through a published contract instead of reading web pages. A valid UCP profile is how a store declares that support.

UCP Score

UCP Score for json-repair.agentdiet.dev

Ready for UCP agents

100 out of 100, grade A: ready for UCP agents. Nothing left to gain in the three scored areas.

Discovery 100Conformance 100Capabilities 100release 2026-08-25

UCP Score 100/100 grade A · ready for UCP agents

Points missing 0 none Fixes 0 raise the score

How the score is made

three areas, weighted

Discovery 30%

Can a UCP agent find and read the profile: HTTPS, an answer at /.well-known/ucp, robots.txt allowing it, and five files outside UCP (llms.txt, sitemap, Open Graph, Organization schema, viewport).

100full marks

Conformance 40%

Does the profile follow the spec: valid against its release (counted three times), a dated release, keys published, few warnings, spec and schema links that resolve.

100full marks

Capabilities 30%

What an agent can do here: how many capabilities, checkout, at least one service, payment handlers, and services that answer our check.

100full marks

A85–100Ready for UCP agents

B70–84Nearly there

C50–69Partly ready

D30–49Hard for UCP agents

F0–29Not ready

Raise the score

nothing left to fix in the score

Every scored check passed.

Every check

16 passed · 0 to fix

Agent Discovery · 8 of 8

8 OK

HTTPS, UCP profile reachable, AI bot access, llms.txt, sitemap.xml, Open Graph tags, Organization schema (JSON-LD), Mobile viewport metaShow

HTTPS · Profile URL uses https://
UCP profile reachable · HTTP 200
AI bot access · robots.txt allows /.well-known/ucp
llms.txt · Found at /llms.txt
sitemap.xml · Found at /sitemap.xml
Open Graph tags · og:title and og:type/url present
Organization schema (JSON-LD) · Organization-typed JSON-LD detected
Mobile viewport meta · <meta name="viewport"> present

UCP Conformance · 4 of 4

4 OK

Profile passes schema validation, Protocol version present and well-formed, Public keys published, No validation warningsShow

Profile passes schema validation · No structural errors
Protocol version present and well-formed · Version: 2026-08-25
Public keys published · Keys published at the top level
No validation warnings · No outstanding validation issues

Capability Coverage · 4 of 4

4 OK

Capabilities declared, Checkout capability, Transports declared, Payment handlersShow

Capabilities declared · 6 of 6 capability families detected: Checkout, Identity Linking, Cart Management, Order Management, Payment Token Exchange, Catalog. A family counts once however many namespaces or extensions declare it.
Checkout capability · dev.ucp.shopping.checkout detected
Transports declared · REST, Embedded, MCP
Payment handlers · 2 handlers registered

Files for agents

outside UCP · not part of the UCP Score

Files json-repair.agentdiet.dev publishes for agents beyond its UCP profile, from our weekly look. Only what we found is listed.

Found

A2A agent card /.well-known/agent-card.json

Describes the store's own agent, for agent-to-agent calls.

21 Oct

Found

ard.json /.well-known/ard.json

An agent resource catalogue (ARD) listing what agents can use.

21 Oct

/.well-known/agent-card.json as served 14.9 KB

{
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "name": "JSON-REPAIR — Deterministic A2A Broken-JSON Repair & Schema Validator (json-repair.agentdiet.dev)",
  "description": "Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes) so multi-agent pipelines never crash. (Live A2A v0.3, MCP & x402 v2 node at https://json-repair.agentdiet.dev)",
  "active": true,
  "x402Support": true,
  "protocol": "ERC-8004",
  "image": "https://json-repair.agentdiet.dev/favicon.ico",
  "icon": "https://json-repair.agentdiet.dev/favicon.ico",
  "url": "https://json-repair.agentdiet.dev",
  "endpoint": "https://json-repair.agentdiet.dev/a2a",
  "address": "0xec5275d5b03bc390fca63d902d0b2d0db2eb5573",
  "agentWallet": "0xec5275d5b03bc390fca63d902d0b2d0db2eb5573",
  "payout": "0xec5275d5b03bc390fca63d902d0b2d0db2eb5573",
  "taifoon_listing": "tfl_81a1ee2ad46048cd8f722d38fd604ae4",
  "price_usdc": {
    "unit": "per-job",
    "min": 0.05,
    "max": 0.05
  },
  "tags": [
    "a2a-reliability",
    "x402",
    "mcp",
    "a2a",
    "erc-8004",
    "json-repair"
  ],
  "categories": [
    "a2a-reliability",
    "developer-tools",
    "analytics"
  ],
  "supportedTrust": [
    "tee-attestation",
    "reputation",
    "crypto-economic"
  ],
  "supportedNetworks": [
    "eip155:8453",
    "eip155:137",
    "eip155:42161",
    "eip155:10",
    "eip155:42220",
    "eip155:43114",
    "eip155:534352",
    "eip155:143"
  ],
  "license": "MIT",
  "documentation": "https://json-repair.agentdiet.dev/llms.txt",
  "privacyPolicy": "https://json-repair.agentdiet.dev/llms.txt",
  "securityPolicy": "https://json-repair.agentdiet.dev/llms.txt",
  "termsOfService": "https://json-repair.agentdiet.dev/llms.txt",
  "contact": {
    "support": "[email protected]",
    "website": "https://json-repair.agentdiet.dev",
    "documentation": "https://json-repair.agentdiet.dev/llms.txt"
  },
  "registrations": [
    {
      "agentId": 254541,
      "agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 689,
      "agentRegistry": "eip155:137:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 1634,
      "agentRegistry": "eip155:42161:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 566,
      "agentRegistry": "eip155:10:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 9975,
      "agentRegistry": "eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 1846,
      "agentRegistry": "eip155:43114:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 109,
      "agentRegistry": "eip155:534352:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 10413,
      "agentRegistry": "eip155:143:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 10413,
      "agentRegistry": "eip155:10143:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 2238,
      "agentRegistry": "eip155:1187947933:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 2539,
      "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    },
    {
      "agentId": 2539,
      "agentRegistry": "eip155:1243:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    }
  ],
  "classes": [
    "wire.reply",
    "plan.steps",
    "risk.address",
    "market.price",
    "data.onchain_query",
    "a2a.json_normalize",
    "chat.word_count",
    "mcp.digest",
    "mech.predict",
    "predict.market"
  ],
  "services": [
    {
      "name": "A2A",
      "type": "agent-to-agent",
      "status": "operational",
      "endpoint": "https://json-repair.agentdiet.dev/a2a",
      "version": "1.0.0",
      "skills": [
        "json-repair",
        "json-repair-mcp-tool",
        "agent-wallet-status"
      ]
    },
    {
      "name": "MCP",
      "type": "mcp",
      "status": "operational",
      "endpoint": "https://json-repair.agentdiet.dev/mcp/json-repair",
      "version": "2025-11-25",
      "tools": [
        "repair_malformed_json",
        "get_agent_wallet_status"
      ],
      "prompts": [
        "execute_b2a_tool"
      ],
      "resources": [
        "resource://agentdiet/json-repair/schema"
      ],
      "healthCheck": "https://json-repair.agentdiet.dev/health"
    },
    {
      "name": "Web",
      "type": "web-interface",
      "status": "operational",
      "endpoint": "https://json-repair.agentdiet.dev",
      "version": "1.0.0"
    },
    {
      "name": "API",
      "type": "rest-api",
      "status": "operational",
      "endpoint": "https://json-repair.agentdiet.dev",
      "version": "1.0.0",
      "healthCheck": "https://json-repair.agentdiet.dev/health"
    },
    {
      "name": "agentWallet",
      "endpoint": "eip155:8453:0xec5275d5b03bc390fca63d902d0b2d0db2eb5573"
    }
  ],
  "iconUrl": "https://json-repair.agentdiet.dev/favicon.ico",
  "documentationUrl": "https://json-repair.agentdiet.dev/llms.txt",
  "mcp": "https://json-repair.agentdiet.dev/mcp/json-repair",
  "version": "7.0.16",
  "protocolVersion": "1.0",
  "supportedInterfaces": [
    {
      "url": "https://json-repair.agentdiet.dev/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    },
    {
      "url": "https://json-repair.agentdiet.dev/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "0.3"
    }
  ],
  "provider": {
    "organization": "AgentDiet B2A Infrastructure",
    "url": "https://json-repair.agentdiet.dev",
    "contactEmail": "[email protected]"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://github.com/coinbase/x402/v2",
        "required": false,
        "description": "x402 v2 micropayments (USDC on Base & Solana)",
        "params": {
          "discoveryUrl": "https://json-repair.agentdiet.dev/.well-known/x402",
          "network": "eip155:8453",
          "asset": "USDC",
          "payTo": "0xec5275d5b03bc390fca63d902d0b2d0db2eb5573",
          "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402"
        }
      },
      {
        "uri": "https://agenstry.com/a2a/extensions/mcp-discovery/v1",
        "required": false,
        "description": "Model Context Protocol (MCP) Streamable HTTP endpoint.",
        "params": {
          "url": "https://json-repair.agentdiet.dev/mcp/json-repair",
          "protocolVersion": "2025-03-26",
          "discoveryUrl": "https://json-repair.agentdiet.dev/.well-known/mcp/server-card.json"
        }
      },
      {
        "uri": "https://a2a-registry.org/extensions/registry/v1",
        "description": "A2A Registry Extension v1 — Verified Domain Identity & Multi-Protocol Payment Capabilities (x402, Stripe, Lightning)",
        "required": false,
        "params": {
          "identity": {
            "provider": "domain",
            "domain": "agentdiet.dev",
            "packageName": "dev.agentdiet.json_repair"
          },
          "payment": {
            "model": "freemium",
            "protocols": [
              "x402",
              "stripe",
              "lightning-invoice"
            ],
            "direction": "inbound",
            "refs": [
              "https://github.com/coinbase/x402/v2"
            ],
            "skills": [
              {
                "skillId": "json-repair",
                "price": "0.002",
                "currency": "USDC",
                "unit": "call"
              }
            ],
            "rails": [
              {
                "network": "base",
                "token": "USDC",
                "type": "stablecoin",
                "scheme": "exact",
                "protocol": "x402",
                "feeModel": "feeless",
                "settlementTime": "instant",
                "caip2": "eip155:8453",
                "contractAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "verification": {
                  "mode": "exact",
                  "proof": "PAYMENT-SIGNATURE",
                  "verifyUrl": "https://api.cdp.coinbase.com/platform/v2/x402/verify"
                }
              },
              {
                "network": "arbitrum",
                "token": "USDC",
                "type": "stablecoin",
                "scheme": "exact",
                "protocol": "x402",
                "feeModel": "feeless",
                "settlementTime": "instant",
                "caip2": "eip155:42161",
                "contractAddress": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831"
              },
              {
                "network": "optimism",
                "token": "USDC",
                "type": "stablecoin",
                "scheme": "exact",
                "protocol": "x402",
                "feeModel": "feeless",
                "settlementTime": "instant",
                "caip2": "eip155:10",
                "contractAddress": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85"
              },
              {
                "network": "polygon",
                "token": "USDC",
                "type": "stablecoin",
                "scheme": "exact",
                "protocol": "x402",
                "feeModel": "feeless",
                "settlementTime": "instant",
                "caip2": "eip155:137",
                "contractAddress": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359"
              },
              {
                "network": "ethereum",
                "token": "USDC",
                "type": "stablecoin",
                "scheme": "exact",
                "protocol": "x402",
                "feeModel": "low",
                "settlementTime": "fast",
                "caip2": "eip155:1",
                "contractAddress": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
              },
              {
                "network": "lightning",
                "token": "BTC",
                "type": "crypto",
                "protocol": "lightning-invoice",
                "feeModel": "low",
                "settlementTime": "instant"
              },
              {
                "network": "stripe",
                "token": "USD",
                "type": "fiat",
                "protocol": "stripe",
                "settlementTime": "instant"
              }
            ],
            "meta": {
              "payTo": "0xEC5275D5b03bc390FcA63D902d0B2D0Db2eb5573",
              "settlement": "onchain",
              "refund_policy": "not charged on failure",
              "sla": "p95 < 250ms"
            }
          }
        }
      }
    ]
  },
  "securitySchemes": {
    "mtls": {
      "type": "mutualTLS",
      "description": "Optional mutual TLS client certificate authentication for enterprise A2A peering."
    },
    "apiKey": {
      "type": "apiKey",
      "in": "header",
      "name": "X-Agent-Id",
      "description": "Free trial agent ID or prepaid session pass key (agd_pass_...)."
    },
    "bearer": {
      "type": "http",
      "scheme": "bearer",
      "bearerFormat": "agd_pass",
      "description": "Bearer session pass or x402 payment proof."
    }
  },
  "securityRequirements": [],
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "response_schema": {
    "type": "object",
    "properties": {
      "status": {
        "type": "string"
      },
      "data": {
        "type": "object"
      }
    },
    "required": [
      "status",
      "data"
    ]
  },
  "outputSchema": {
    "type": "object",
    "properties": {
      "status": {
        "type": "string"
      },
      "data": {
        "type": "object"
      }
    },
    "required": [
      "status",
      "data"
    ]
  },
  "authentication": {
    "schemes": [
      "x402",
      "mpp",
      "L402",
      "Bearer"
    ],
    "credentials": "HTTP 402 micropayments ($0.002 USDC on Base to 0xec5275d5b03bc390fca63d902d0b2d0db2eb5573) or X-Agent-Id free trial"
  },
  "skills": [
    {
      "id": "json-repair",
      "name": "Deterministic A2A Broken-JSON Repair & Schema Validator",
      "description": "Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes) so multi-agent pipelines never crash.",
      "tags": [
        "a2a-reliability",
        "x402",
        "mcp",
        "a2a",
        "json-repair"
      ],
      "examples": [
        "GET https://json-repair.agentdiet.dev/v1/json-repair?raw_json=```json\n{\"status\": \"ok\", 'items': [1, 2, 3,],}\n```"
      ],
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ],
      "outputSchema": {
        "type": "object",
        "properties": {
          "status": {
            "type": "string"
          },
          "data": {
            "type": "object"
          }
        },
        "required": [
          "status",
          "data"
        ]
      }
    },
    {
      "id": "json-repair-mcp-tool",
      "name": "repair_malformed_json (MCP JSON-RPC)",
      "description": "Execute repair_malformed_json directly over MCP Streamable HTTP JSON-RPC 2.0 at https://json-repair.agentdiet.dev/mcp/json-repair.",
      "tags": [
        "mcp",
        "jsonrpc",
        "a2a-reliability",
        "json-repair"
      ],
      "examples": [
        "POST https://json-repair.agentdiet.dev/mcp/json-repair tools/call repair_malformed_json"
      ],
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ],
      "outputSchema": {
        "type": "object",
        "properties": {
          "status": {
            "type": "string"
          },
          "data": {
            "type": "object"
          }
        },
        "required": [
          "status",
          "data"
        ]
      }
    },
    {
      "id": "agent-wallet-status",
      "name": "Check Agent Wallet & Free-Trial Quota",
      "description": "Inspect remaining free-trial calls, prepaid USDC session pass balance, and cumulative ROI savings.",
      "tags": [
        "billing",
        "wallet",
        "x402",
        "quota"
      ],
      "examples": [
        "GET https://json-repair.agentdiet.dev/v1/wallet"
      ],
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ],
      "outputSchema": {
        "type": "object",
        "properties": {
          "status": {
            "type": "string"
          },
          "data": {
            "type": "object"
          }
        },
        "required": [
          "status",
          "data"
        ]
      }
    }
  ],
  "signatures": [
    {
      "protected": "eyJhbGciOiJFZERTQSIsImtpZCI6ImEyYS1lZDI1NTE5LXYxIiwidHlwIjoiYTJhLWNhcmQrandzIn0",
      "signature": "FsGKvpUpTIeXUTUXZl8YumLQ7KUvpcsfIGRVJwFhgkqzQEmKzeUV53JkHM3Gt5s5JgOBGUvVeZBLPWtZGvGtAQ"
    }
  ]
}

/.well-known/ard.json as served 1.0 KB

{
  "entries": [
    {
      "@context": "https://agenticresourcediscovery.org/context/v1",
      "identifier": "urn:air:json-repair.agentdiet.dev:server:json-repair",
      "displayName": "JSON-REPAIR — Imperium B2A, MCP & x402 Service (json-repair.agentdiet.dev)",
      "type": "application/mcp-server-card+json",
      "url": "https://json-repair.agentdiet.dev/.well-known/mcp-server.json",
      "description": "Autonomous Streamable HTTP MCP (2025-11-25 & 2026-07-28), A2A v0.3, x402 v2 (5-chain EVM USDC), and IETF MPP server at https://json-repair.agentdiet.dev.",
      "version": "7.0.16",
      "tags": [
        "mcp",
        "a2a",
        "x402",
        "mpp",
        "json-repair"
      ],
      "metadata": {
        "access": "public-anonymous-discovery",
        "specificationVersion": "ARD v0.91 Proposal",
        "mcpEndpoint": "https://json-repair.agentdiet.dev/mcp",
        "a2aCardUrl": "https://json-repair.agentdiet.dev/.well-known/agent-card.json",
        "openapiUrl": "https://json-repair.agentdiet.dev/openapi.json"
      }
    }
  ]
}

Speed among Shopware stores

The profile answered in 85 ms, faster than 100% of the Shopware stores we check.