{"adoption": {"forks": 301, "observed_at": "2026-08-28T04:06:57.376201+00:00", "stars": 2511}, "canonical_url": "https://ross.abutalabs.com/products/sdfc", "card": {"archived": false, "artifact_type": "learning-resource", "description": "Roadmap and Resource Compilation for System Design Fight Club", "domain": ["microservices", "developer-tools", "tutorials"], "enriched": true, "function": ["developer-tools", "documentation"], "health_score": 20, "homepage": "https://youtube.com/@SDFC", "language": null, "license": null, "license_family": "other", "maturity": "active", "member_repos": ["systemdesignfightclub/SDFC"], "name": "systemdesignfightclub/SDFC", "platform": ["cross-platform"], "pushed_at": "2024-02-29T05:24:24+00:00", "repo": "systemdesignfightclub/SDFC", "stars": 2511, "tags": ["system-design", "interview-preparation", "roadmap", "resource-compilation", "distributed-systems", "software-architecture", "youtube"], "topics": ["distributed-systems", "software-architecture", "system-design"], "urls": [], "use_cases": ["prepare for a system design interview", "find a roadmap for learning distributed systems", "get diagrams and notes from solved system design problems", "find the best books on software architecture and SRE", "study system design problems with worked examples"], "what_it_is": "A curated roadmap and resource compilation for learning system design, accompanying the System Design Fight Club YouTube channel. It includes diagrams and files from over 50 live-covered system design problems plus an extensive list of books, courses, and channels.", "when_to_avoid": ["you need runnable code or a software tool rather than learning material", "you want interactive exercises or auto-graded practice", "you need a license-protected or formally maintained curriculum"], "when_to_choose": ["you want a structured study path for system design interviews", "you prefer curated links to books, courses, and videos over building your own curriculum", "you want to follow along with live system design problem walkthroughs"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/sdfc", "repo": "systemdesignfightclub/SDFC", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:57.376201+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:26:23.755012+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9408d27ca59a0bdfd1b688250bc9f4f35094a8763357b5e5afdc5b0d5dc2cbeb", "fetched_at": "2026-08-28T04:06:57.376201+00:00", "kind": "readme", "missing": false, "url": "https://github.com/systemdesignfightclub/SDFC"}, {"content_hash": "36c9002e6241ff0ce863738ae44c1bc8de740eb587fa6c72b9df4354d172f1df", "fetched_at": "2026-08-29T10:09:04.939270+00:00", "kind": "homepage", "missing": false, "url": "https://youtube.com/@SDFC"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1402, "days_push": 916, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}