{"adoption": {"forks": 129, "observed_at": "2026-08-28T04:05:18.647965+00:00", "stars": 1662}, "canonical_url": "https://ross.abutalabs.com/products/message_bus", "card": {"archived": false, "artifact_type": "library", "description": "A reliable and robust messaging bus for Ruby and Rack", "domain": ["web-development", "backend"], "enriched": true, "function": ["message-queue", "middleware", "websocket", "http-server"], "health_score": 77, "homepage": null, "language": "Ruby", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["discourse/message_bus"], "name": "discourse/message_bus", "platform": ["ruby"], "pushed_at": "2026-08-03T17:09:28+00:00", "repo": "discourse/message_bus", "stars": 1662, "tags": ["pub-sub", "long-polling", "rack-middleware", "real-time-messaging", "rubygem", "messaging", "real-time", "web-server", "rack"], "topics": ["rubygem"], "urls": [], "use_cases": ["publish and subscribe to messages between Ruby processes", "push real-time updates from a Rails or Sinatra app to browsers", "deliver targeted messages to specific users or client sessions", "replay message backlogs on a channel after reconnecting", "handle thousands of concurrent long-poll connections in Rack apps"], "what_it_is": "MessageBus is a Ruby gem providing a reliable publish/subscribe messaging bus for server-to-server and server-to-web-client communication. It runs as Rack middleware, supporting polling, long-polling, and streaming across all common Ruby web servers.", "when_to_avoid": ["you need a full-featured distributed message queue like Kafka or RabbitMQ with guaranteed delivery semantics across services", "your stack is not Ruby/Rack based", "you prefer WebSocket-first solutions like Action Cable or AnyCable"], "when_to_choose": ["you run a Rails, Sinatra, or Rack app and need reliable pub/sub messaging without a dedicated message broker", "you want real-time client updates using long-polling that works on standard Ruby web servers", "you need battle-tested infrastructure, as it powers Discourse in production at scale"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/message_bus", "repo": "discourse/message_bus", "role": "main", "score": 75}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:18.647965+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:44:33.867732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "aa94b59a7c52f15c9da45b15c96f9e4b61971e37658b629d8e94849c53a2605a", "fetched_at": "2026-08-28T04:05:18.647965+00:00", "kind": "readme", "missing": false, "url": "https://github.com/discourse/message_bus"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 95, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4858, "days_push": 30, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 75, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}