{"adoption": {"forks": 690, "observed_at": "2026-08-28T04:08:59.369835+00:00", "stars": 4771}, "canonical_url": "https://ross.abutalabs.com/products/msquic", "card": {"archived": false, "artifact_type": "library", "description": "Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.", "domain": ["networking", "developer-tools", "security", "cross-platform"], "enriched": true, "function": ["networking", "security", "http-client", "http-server", "sdk"], "health_score": 100, "homepage": null, "language": "C", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["microsoft/msquic"], "name": "microsoft/msquic", "platform": ["windows", "cross-platform", "c", "cpp", "rust", "dotnet"], "pushed_at": "2026-08-26T22:03:05+00:00", "repo": "microsoft/msquic", "stars": 4771, "tags": ["quic", "ietf-quic", "rfc9000", "tls", "udp-transport", "c-library", "interop", "linux", "macos"], "topics": ["quic", "network-programming", "protocol", "c", "secure", "cross-platform", "cpp", "csharp", "rust"], "urls": [], "use_cases": ["implement a QUIC server in C", "add QUIC transport to a Rust application", "use HTTP/3-style QUIC connections from C#", "build a low-latency secure transport layer over UDP", "replace TCP with QUIC for a custom protocol", "test QUIC protocol conformance", "implement stream multiplexing with 0-RTT connection setup"], "what_it_is": "MsQuic is Microsoft's cross-platform C implementation of the IETF QUIC transport protocol (RFC 9000), with API wrappers for C++, C#, and Rust. It provides a general-purpose QUIC library for building fast, secure client and server applications over UDP with TLS encryption.", "when_to_avoid": ["you just need HTTP/3 client or server functionality and prefer a higher-level HTTP library", "your stack is Python, Go, or Java with no native interop needs", "you need a pure managed or pure Rust implementation without a native C dependency", "you only need TCP/TLS and QUIC is not required"], "when_to_choose": ["you need a production-grade, cross-platform QUIC implementation maintained by Microsoft", "you want QUIC bindings for C, C++, C#, or Rust from one library", "you need fine-grained control over QUIC streams, connection settings, and TLS", "you require support for recent QUIC RFCs and drafts (datagrams, version negotiation, ACK frequency)"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/msquic", "repo": "microsoft/msquic", "role": "main", "score": 98}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:59.369835+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:18:48.183732+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "503165cf47cd9588353e92fd73f69c10a5f87eb58c5c9b820437dabf367875ab", "fetched_at": "2026-08-28T04:08:59.369835+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/msquic"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 97}, "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": 2503, "days_push": 7, "days_rel": 20, "gap_med": 10.0, "n_releases_24m": 27}, "score": 98, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}