---
title: "Where CrawlCheck finds domains to measure beyond top-sites lists: MCP/A2A packages on npm, MCP/A2A repositories on GitHub, the APIs.guru OpenAPI directory, and certificate transparency (mcp./agent./a2a. names under known MCP publishers, each given the MCP handshake). Per source: last run, how many records were read, domains found, how many were new, an error if any, a sample."
method: GET
path: "/api/v1/feeds"
---

# Where CrawlCheck finds domains to measure beyond top-sites lists: MCP/A2A packages on npm, MCP/A2A repositories on GitHub, the APIs.guru OpenAPI directory, and certificate transparency (mcp./agent./a2a. names under known MCP publishers, each given the MCP handshake). Per source: last run, how many records were read, domains found, how many were new, an error if any, a sample.

`GET /api/v1/feeds`

## Request

- Base URL: `https://crawlcheck.io`
- URL: `https://crawlcheck.io/api/v1/feeds`
- Auth: none required

## Response `200`

crawlcheck-registry-feeds

- object, nullable
  - `kind` string, nullable
  - `v` number, nullable
  - `generated_at` string, nullable
  - `cadence` string, nullable
  - `sources` object, nullable
    - `npm` object, nullable
      - `source` string, nullable
      - `at` string, nullable
      - `ms` number, nullable
      - `seen` number, nullable
      - `domains` number, nullable
      - `new` number, nullable
      - `error` unknown
      - `sample` object[], nullable
        - `domain` string, nullable
        - `via` string[], nullable
      - `totals` object, nullable
        - `runs` number, nullable
        - `new` number, nullable
    - `github` object, nullable
      - `state` string, nullable
    - `apisguru` object, nullable
      - `state` string, nullable
    - `ct` object, nullable
      - `state` string, nullable
  - `domains_found_all_time` number, nullable
  - `waiting_for_queue` number, nullable
  - `reading` string, nullable

---

[API](https://skmtc.dev/crawlcheck/apis/crawlcheck-api.md) · [All operations](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/revisions/57acbd6d4489?raw)