{"adoption": {"forks": 97, "observed_at": "2026-08-28T04:04:38.739220+00:00", "stars": 1409}, "canonical_url": "https://ross.abutalabs.com/products/lithium", "card": {"archived": false, "artifact_type": "framework", "description": "Easy to use C++17 HTTP Server with no compromise on performances. https://matt-42.github.io/lithium", "domain": ["web-development", "backend", "apis", "developer-tools"], "enriched": true, "function": ["web-framework", "http-server", "middleware", "routing", "serialization", "database"], "health_score": 77, "homepage": "https://matt-42.github.io/lithium", "language": "C++", "license": "MIT", "license_family": "permissive", "maturity": "maintenance", "member_repos": ["matt-42/lithium", "matt-42/silicon"], "name": "Lithium", "platform": ["cpp", "cross-platform"], "pushed_at": "2026-07-31T13:45:49+00:00", "repo": "matt-42/lithium", "stars": 1409, "tags": ["c-plus-plus", "high-performance", "http-backend", "metaprogramming", "superseded-by-lithium", "linux", "macos"], "topics": ["cpp17", "cpp", "webprogramming", "http-server", "http-client", "json", "webframework", "mysql", "postgresql", "sqlite3", "sql-driver", "orm", "asynchronous", "mysql-server", "cpp-library", "api-server", "object-relational-mapper"], "urls": [{"kind": "homepage", "url": "https://matt-42.github.io/lithium"}], "use_cases": ["build a fast http api in c++", "serve  endpoints with a c++ web framework", "compose middleware-based request handling in c++", "build a backend server with database access in c++", "replace heavy web frameworks with a lightweight c++14 option"], "what_it_is": "Silicon is a high-performance, middleware-oriented C++14 HTTP web framework. The project has been rewritten and merged into the Lithium libraries, so new users should use matt-42/lithium instead.", "when_to_avoid": ["starting a new project - use matt-42/lithium instead", "you need a framework with active community and frequent releases", "you want a batteries-included framework with extensive documentation and ecosystem"], "when_to_choose": ["you need a high-performance, low-overhead C++ HTTP backend", "you want a middleware-oriented design with compile-time routing", "you are already invested in the Silicon/Lithium ecosystem"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/repos/matt-42/lithium", "repo": "matt-42/lithium", "role": "main", "score": 75}, {"path": "/repos/matt-42/silicon", "repo": "matt-42/silicon", "role": "mirror", "score": 23}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:38.739220+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:34:00.469039+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d3a484b2cc56b3835ea3ea4249cd0b12277807a60e7893471a5c8df67b0bf086", "fetched_at": "2026-08-28T04:04:38.739220+00:00", "kind": "readme", "missing": false, "url": "https://github.com/matt-42/lithium"}, {"content_hash": "4feaa56dc56baeb96b43b7aa37599a104d1b7274e22922be7961e4976a0a212f", "fetched_at": "2026-08-29T11:09:37.691770+00:00", "kind": "homepage", "missing": false, "url": "https://matt-42.github.io/lithium"}], "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": 2465, "days_push": 33, "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}}