{"adoption": {"forks": 439, "observed_at": "2026-08-28T04:05:02.093843+00:00", "stars": 1550}, "canonical_url": "https://ross.abutalabs.com/products/mkjs", "card": {"archived": false, "artifact_type": "application", "description": "Canvas implementation of basic fighting game which allows multiplayer over the network.", "domain": ["web-development", "gaming-tools"], "enriched": true, "function": ["game", "graphics", "websocket"], "health_score": 20, "homepage": "http://mk.mgechev.com/", "language": "JavaScript", "license": null, "license_family": "other", "maturity": "maintenance", "member_repos": ["mgechev/mk.js"], "name": "mgechev/mk.js", "platform": ["browser"], "pushed_at": "2022-02-23T03:30:38+00:00", "repo": "mgechev/mk.js", "stars": 1550, "tags": ["html5-canvas", "fighting-game", "webrtc", "multiplayer", "mortalkombat-clone", "game-development", "javascript", "nodejs"], "topics": [], "urls": [], "use_cases": ["play a fighting game in the browser", "play a two-player fighting game on one keyboard", "play a fighting game against a friend over the network", "learn how to build a canvas-based game in JavaScript", "demo WebRTC data channels with a game", "embed a configurable fighting game in a web page"], "what_it_is": "mk.js is a browser-based fighting game built with HTML5 canvas and JavaScript, inspired by Mortal Kombat. It supports single-player, local two-player, and network multiplayer modes via a Node.js server or WebRTC data channels.", "when_to_avoid": ["you need a production-quality or polished commercial game", "you require an actively maintained project with a defined license file", "you need a game engine or framework rather than a complete game"], "when_to_choose": ["you want a lightweight, open-source browser fighting game", "you need a simple example of HTML5 canvas game development", "you want to experiment with networked multiplayer games in JavaScript"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/mkjs", "repo": "mgechev/mk.js", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.093843+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:30:19.737051+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "065d9c20ccb4349a10dfedb9ff9ba5901621aca39057e7c77146d9bc7689925d", "fetched_at": "2026-08-28T04:05:02.093843+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mgechev/mk.js"}, {"content_hash": "38a025d04da863cf13a12b2221366bb546633507cc5fb562c759f5e35fbda5a7", "fetched_at": "2026-08-29T11:31:17.050024+00:00", "kind": "homepage", "missing": false, "url": "http://mk.mgechev.com/"}], "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": 4937, "days_push": 1652, "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}}