{"adoption": {"forks": 65, "observed_at": "2026-08-28T04:04:44.701490+00:00", "stars": 1442}, "canonical_url": "https://ross.abutalabs.com/products/ff", "card": {"archived": false, "artifact_type": "library", "description": "Flags-first package for configuration", "domain": ["developer-tools", "backend"], "enriched": true, "function": ["configuration-management", "cli", "developer-tools"], "health_score": 68, "homepage": null, "language": "Go", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["peterbourgon/ff"], "name": "peterbourgon/ff", "platform": ["go", "cli", "cross-platform"], "pushed_at": "2026-04-23T22:36:51+00:00", "repo": "peterbourgon/ff", "stars": 1442, "tags": ["flags", "config-files", "env-vars", "command-line-applications", "flag-parsing", "command-line"], "topics": [], "urls": [], "use_cases": ["parse flags from command-line args, env vars, and config files in Go", "build a kubectl-style multi-command CLI in Go", "show complete config surface via -h help output", "support short and long flag names with enum and repeatable flag types", "load configuration from a plain-text config file"], "what_it_is": "ff is a Go library providing a flags-first approach to program configuration, where every config parameter is defined as a flag that can be parsed from command-line args, environment variables, and config files. It includes ff.Command for declaratively building multi-command CLI applications in the style of kubectl or docker.", "when_to_avoid": ["you need complex config schemas with nested structures or validation beyond flags", "you're not using Go", "you prefer struct-tag or YAML-first configuration approaches"], "when_to_choose": ["you're writing a Go CLI and want flags as the single source of configuration truth", "you need layered config from args, env vars, and files with one library", "you want a declarative way to build subcommand-based CLI tools"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/ff", "repo": "peterbourgon/ff", "role": "main", "score": 58}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:44.701490+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:36:25.063223+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9510e2c1cc4dcb5e1dd37331b0539a214eb3ea282f6c38a0bfc2b298ed5bec65", "fetched_at": "2026-08-28T04:04:44.701490+00:00", "kind": "readme", "missing": false, "url": "https://github.com/peterbourgon/ff"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 78, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3289, "days_push": 132, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 58, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}