{"adoption": {"forks": 703, "observed_at": "2026-08-28T04:06:21.869742+00:00", "stars": 2172}, "canonical_url": "https://ross.abutalabs.com/products/matrix-js-sdk", "card": {"archived": false, "artifact_type": "library", "description": "Matrix Client-Server SDK for JavaScript", "domain": ["messaging-platforms", "apis", "developer-tools", "privacy"], "enriched": true, "function": ["sdk", "http-client", "websocket", "cryptography", "chat-interface"], "health_score": 100, "homepage": "http://matrix-org.github.io/matrix-js-sdk/", "language": "TypeScript", "license": "Apache-2.0", "license_family": "permissive", "maturity": "stable", "member_repos": ["matrix-org/matrix-js-sdk"], "name": "matrix-org/matrix-js-sdk", "platform": ["browser", "cross-platform"], "pushed_at": "2026-08-26T11:00:32+00:00", "repo": "matrix-org/matrix-js-sdk", "stars": 2172, "tags": ["matrix", "chat", "e2ee", "typescript", "client-server", "federation", "nodejs", "javascript"], "topics": ["matrix-sdk", "matrix", "matrix-chat", "hacktoberfest"], "urls": [], "use_cases": ["build a custom Matrix chat client in JavaScript", "send and receive Matrix messages from Node.js", "add end-to-end encrypted messaging to a web app", "list and browse public Matrix rooms programmatically", "integrate Matrix bot or automation functionality", "build a Matrix bridge or integration service"], "what_it_is": "The official Matrix Client-Server SDK for JavaScript and TypeScript, maintained by Element and used in Element Web and Desktop. It lets applications create Matrix clients that sync, send messages, join rooms, and support end-to-end encryption in browsers or Node.js.", "when_to_avoid": ["you use a different language ecosystem with a native Matrix SDK", "you need a ready-made chat UI rather than a low-level SDK", "you need guaranteed full coverage of the latest Matrix spec release"], "when_to_choose": ["you want to build a Matrix client, bot, or bridge in JS/TS", "you need E2EE support backed by the reference implementation used by Element", "you need both browser and Node.js support"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/matrix-js-sdk", "repo": "matrix-org/matrix-js-sdk", "role": "main", "score": 99}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:21.869742+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:49:13.849700+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "51c37600d7682e99fabb365a3d6ee06c4a0dfbae5bb2d53236bdef8947b02d08", "fetched_at": "2026-08-28T04:06:21.869742+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matrix-org/matrix-js-sdk"}, {"content_hash": "79bf963ec70087d87be13abb14c654a182d88eb6a97e6d6998a3f4b7a31b1b3a", "fetched_at": "2026-08-29T10:29:34.265315+00:00", "kind": "homepage", "missing": false, "url": "http://matrix-org.github.io/matrix-js-sdk/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 98}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4200, "days_push": 7, "days_rel": 15, "gap_med": 13, "n_releases_24m": 56}, "score": 99, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}