{"adoption": {"forks": 557, "observed_at": "2026-08-28T04:08:54.489518+00:00", "stars": 4579}, "canonical_url": "https://ross.abutalabs.com/products/smoltcp", "card": {"archived": false, "artifact_type": "library", "description": "a smol tcp/ip stack", "domain": ["embedded-systems", "networking"], "enriched": true, "function": ["networking", "http-server"], "health_score": 99, "homepage": null, "language": "Rust", "license": "0BSD", "license_family": "permissive", "maturity": "active", "member_repos": ["smoltcp-rs/smoltcp"], "name": "smoltcp-rs/smoltcp", "platform": ["rust", "embedded", "cross-platform"], "pushed_at": "2026-08-18T13:17:47+00:00", "repo": "smoltcp-rs/smoltcp", "stars": 4579, "tags": ["tcp-ip-stack", "no-std", "bare-metal", "embedded-networking", "ipv6", "6lowpan"], "topics": ["networking-stack", "embedded"], "urls": [], "use_cases": ["add TCP/IP networking to an embedded microcontroller project", "implement a no_std network stack for bare-metal Rust firmware", "run TCP and UDP sockets on a device without an operating system", "use 6LoWPAN and IEEE 802.15.4 networking in IoT devices", "build a userspace TCP/IP stack for testing or simulation", "serve network protocols on real-time systems without heap allocation"], "what_it_is": "smoltcp is a standalone, event-driven TCP/IP stack written in Rust, designed for bare-metal and real-time systems without heap allocation. It supports Ethernet, IP, IEEE 802.15.4, and 6LoWPAN with TCP, UDP, ICMP, and DHCP protocols.", "when_to_avoid": ["you need a fully featured, production-grade stack with all RFC features like IPv4 options or 802.1Q", "you are building a general-purpose desktop or server application where the OS network stack suffices", "you need maximum throughput beyond ~Gbps loopback performance", "you prefer a C-based stack like lwIP for non-Rust projects"], "when_to_choose": ["you need a TCP/IP stack in a no_std or heapless embedded environment", "you are writing Rust firmware for microcontrollers that requires networking", "you want a simple, robust, event-driven network stack you can audit and control", "you need IPv4/IPv6, TCP, UDP, or 6LoWPAN support without an OS"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/smoltcp", "repo": "smoltcp-rs/smoltcp", "role": "main", "score": 87}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:54.489518+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:19:54.733882+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "76fdebc0baab998721a0c78c6fe450303d00bf75b3d5a311482f8a8a48cc6e34", "fetched_at": "2026-08-28T04:08:54.489518+00:00", "kind": "readme", "missing": false, "url": "https://github.com/smoltcp-rs/smoltcp"}, {"content_hash": "6b820c7191b74b1d7cb927c7df57d68da1f370262295b964c791a8aa2a8342ea", "fetched_at": "2026-08-29T09:05:11.032721+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/smoltcp"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 98, "longevity": 100, "rhythm": 66}, "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": 3561, "days_push": 15, "days_rel": 17, "gap_med": 313.0, "n_releases_24m": 3}, "score": 87, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}