{"adoption": {"forks": 3220, "observed_at": "2026-08-28T04:11:58.031691+00:00", "stars": 33016}, "canonical_url": "https://ross.abutalabs.com/products/tokio", "card": {"archived": false, "artifact_type": "library", "description": "A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...", "domain": ["developer-tools", "backend", "networking", "performance", "microservices"], "enriched": true, "function": ["concurrency", "networking", "http-server", "http-client", "scheduling", "websocket"], "health_score": 99, "homepage": "https://tokio.rs", "language": "Rust", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["tokio-rs/tokio"], "name": "tokio-rs/tokio", "platform": ["rust", "windows", "cross-platform", "embedded"], "pushed_at": "2026-08-20T06:57:25+00:00", "repo": "tokio-rs/tokio", "stars": 33016, "tags": ["async-runtime", "async-await", "event-loop", "work-stealing-scheduler", "non-blocking-io", "tcp", "udp", "timers", "rust-library", "linux", "macos"], "topics": ["rust", "asynchronous", "networking"], "urls": [], "use_cases": ["write an async TCP echo server in Rust", "build a high-performance network service handling hundreds of thousands of requests per second", "run concurrent async tasks with a work-stealing scheduler", "add timers and timeouts to async Rust code", "build async HTTP or gRPC services on top of hyper or tonic", "run async Rust on servers or embedded devices"], "what_it_is": "Tokio is an event-driven, non-blocking I/O runtime for writing asynchronous applications in Rust. It provides a multithreaded work-stealing task scheduler, an OS-backed reactor (epoll, kqueue, IOCP), async TCP/UDP sockets, timers, filesystem, and synchronization primitives.", "when_to_avoid": ["your application is simple, synchronous, and I/O-light where std threads suffice", "you need a different async runtime for compatibility reasons (e.g., async-std, smol)", "you are targeting environments where the runtime's footprint or OS event-loop dependencies are unsuitable"], "when_to_choose": ["you are writing asynchronous Rust and need a runtime to execute futures", "you need fast, scalable non-blocking I/O for network services", "you want the de facto standard Rust async ecosystem (hyper, tonic, tower, axum)", "you need a runtime that scales from many-core servers to embedded devices"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/tokio", "repo": "tokio-rs/tokio", "role": "main", "score": 97}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:58.031691+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:28:43.612603+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c2970162ac2928a60035e7b77f15d0943e2c03a2bb986a4da43b8fb3daadd91f", "fetched_at": "2026-08-28T04:11:58.031691+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tokio-rs/tokio"}, {"content_hash": "cbcc966ebe7ff156414598327c04f257b8458941d193cceb0a17d71483971874", "fetched_at": "2026-08-29T07:48:47.170569+00:00", "kind": "homepage", "missing": false, "url": "https://tokio.rs"}, {"content_hash": "9006ae82d8d567aba0f9167f3da897df47f2baff84c762843d33936b533eb79d", "fetched_at": "2026-08-29T07:48:47.175555+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tokio"}, {"content_hash": "e333e692a2df429f4075f3025ba48d7e0135a013cf2807a519bb96c9de96e08c", "fetched_at": "2026-08-29T07:48:47.173467+00:00", "kind": "site_page", "missing": false, "url": "https://tokio.rs/tokio/tutorial"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 98, "longevity": 100, "rhythm": 93}, "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": 3645, "days_push": 13, "days_rel": 44, "gap_med": 5.5, "n_releases_24m": 33}, "score": 97, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}