FETCH402
← Protocol index

Resource / 209

healthy

fresh-feeds.

GET https://fresh-feeds.foomworks.workers.dev/feeds/mcp-registry/changes ↗

Delta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.

Eligibility
probeable
Failures
0
Last quote
2026-08-12 22:00:01 UTC
Last probe
2026-08-12 22:00:01 UTC
Payment requirements / accepts[] 1 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 20000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x63347CD326a50696F76cfE4B8Ce079D3c8ED3039

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 22:00:01 UTC GET · HTTP 402 · 108ms · accepts 1 · base 1 ok
Request
GET https://fresh-feeds.foomworks.workers.dev/feeds/mcp-registry/changes
Robots
allow
Note
http_402;accepts=1;base=1
Accepts fingerprint
1d29978b6aa5d10b72c667ec9e9f20b907e8e8d689a93754ec428d9b39afdd81

Accepts snapshot

[
  {
    "amount": "20000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x63347CD326a50696F76cfE4B8Ce079D3c8ED3039",
    "paymentFlow": null,
    "raw": {
      "amount": "20000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x63347CD326a50696F76cfE4B8Ce079D3c8ED3039",
      "pay_to": "0x63347CD326a50696F76cfE4B8Ce079D3c8ED3039",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "20000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x63347CD326a50696F76cfE4B8Ce079D3c8ED3039",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "added": [
              {
                "name": "org.example/new-server",
                "score": 6
              }
            ],
            "changed": [
              {
                "after": {
                  "score": 7,
                  "status": "active"
                },
                "before": {
                  "score": 5,
                  "status": "active"
                },
                "name": "org.example/server"
              }
            ],
            "counts": {
              "added": 3,
              "changed": 12,
              "removed": 1,
              "total": 1548
            },
            "feed": "mcp-registry",
            "removed": [
              {
                "name": "org.example/old-server",
                "score": 2
              }
            ],
            "since": "2026-06-09",
            "until": "2026-06-10T07:22:52.782Z"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "resource": {
    "description": "Delta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.",
    "mimeType": "application/json",
    "serviceName": "fresh-feeds",
    "tags": [
      "mcp",
      "registry",
      "data",
      "feed",
      "agents",
      "changes",
      "delta"
    ],
    "url": "https://fresh-feeds.foomworks.workers.dev/feeds/mcp-registry/changes"
  },
  "x402Version": 2
}

Response headers

{
  "alt-svc": "h3=\":443\"; ma=86400",
  "cf-ray": "a2a2c021799416de-IAD",
  "connection": "keep-alive",
  "content-length": "2",
  "content-type": "application/json",
  "date": "Wed, 12 Aug 2026 22:00:01 GMT",
  "nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}",
  "payment-required": "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",
  "report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=IfxSBkF%2BhVy%2FL4iyLbfUiCcwSZvaatjW7cbs6H3y39OhHM4Gd5t16W9Taa%2BN%2B8MBd6Q3MBq%2FvnMMYGdZFJhLwgnEblR6N9URmvu6jpVD5%2FoaXGS3XAL6hjywLuGDEW5Ixp9BzIRm8X%2Fb3uPDPB8GferTM9c%3D\"}]}",
  "server": "cloudflare"
}

Response body 

{}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {},
  "type": "http"
}
OutputJSON
{
  "example": {
    "added": [
      {
        "name": "org.example/new-server",
        "score": 6
      }
    ],
    "changed": [
      {
        "after": {
          "score": 7,
          "status": "active"
        },
        "before": {
          "score": 5,
          "status": "active"
        },
        "name": "org.example/server"
      }
    ],
    "counts": {
      "added": 3,
      "changed": 12,
      "removed": 1,
      "total": 1548
    },
    "feed": "mcp-registry",
    "removed": [
      {
        "name": "org.example/old-server",
        "score": 2
      }
    ],
    "since": "2026-06-09",
    "until": "2026-06-10T07:22:52.782Z"
  },
  "type": "json"
}