{
  "slug": "heroku-buildpacks-commands-support-json-432445896fca",
  "title": "heroku buildpacks commands support --json",
  "tools": [
    "heroku"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-08-19T00:03:15.000Z",
  "announced_at": "2026-08-19T00:03:15.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When retrieving buildpack data, add `--json` to the applicable `heroku buildpacks` command or subcommand to output JSON.",
    "examples": [
      "heroku buildpacks -a <app> --json",
      "heroku buildpacks:info <namespace/name> --json",
      "heroku buildpacks:add <namespace/name> -a <app> --json"
    ],
    "gotchas": [
      "Version: v11.10.0",
      "--json / -j: Output in JSON format.",
      "-a, --app=<app> (required): App to run the command against; documented as required for `buildpacks` and app mutation subcommands such as `add`.",
      "BUILDPACK (required): Buildpack identifier in `namespace/name` format for `info` and `add`.",
      "The flag is stated to apply to buildpacks and its subcommands."
    ]
  },
  "why_it_matters": "Retrieve structured JSON output while using a Heroku buildpacks command.",
  "sources": [
    "https://github.com/heroku/cli/releases/tag/v11.10.0",
    "https://devcenter.heroku.com/articles/heroku-cli-commands"
  ],
  "rank": 0.90018,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "wave2a-20261017",
    "verdict_id": "wave2a-20261017:wave2a-20261017-6a07acef2ee89b0c-5:gate",
    "evidence_hash": "115802229197e3570a779957942577eabc21834a7366e9004ff3a7a75f70d573"
  },
  "review": {
    "draft_hash": "8383d306bf336fe128278bf126633b350eb675df684a17a2c319587a1d37178d",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "wave2a-20261017:gate",
    "reason": "2 of 3 judge runs approved with p_yes >= 0.9 (mean 0.90 >= 0.9; 2 needed) and Jev gave 0.70 (>= 0.6 needed)."
  }
}