{
  "manifest_version": 1,
  "name": "chain",
  "version": "1.0.0",
  "description": "Public blockchain transaction history (BTC via mempool.space, keyless; ETH via Etherscan, free ETHERSCAN_API_KEY). Each tx becomes one scan record with payload.created = block time and media.ref = a per-tx explorer deep link. No gps.",
  "entries": [
    {
      "kind": "source",
      "type": "chain",
      "label": "Blockchain tx history (BTC / ETH)",
      "summary": "Public blockchain transaction history (BTC via mempool.space, keyless; ETH via Etherscan, free ETHERSCAN_API_KEY). Each tx becomes one scan record with payload.created = block time and media.ref = a per-tx explorer deep link.",
      "env": [
        "ETHERSCAN_API_KEY"
      ],
      "base": [
        "bash",
        "shipped:providers/sources/chain/chain.sh"
      ],
      "needs": "chain:btc: is keyless (mempool.space); chain:eth: needs a free ETHERSCAN_API_KEY (https://etherscan.io/apis)",
      "timeoutMs": 300000,
      "doctor": {
        "check": "env_any",
        "env": [
          "ETHERSCAN_API_KEY"
        ],
        "okNote": "ETHERSCAN_API_KEY present (chain:eth: tx history) — chain:btc: is keyless via mempool.space either way",
        "missingNote": "ETHERSCAN_API_KEY missing (chain:eth: needs it, free at https://etherscan.io/apis) — chain:btc: still works keyless via mempool.space"
      },
      "refForms": [
        {
          "form": "chain:btc:<address>"
        },
        {
          "form": "chain:eth:<address>"
        }
      ]
    }
  ]
}