{"adoption": {"forks": 107, "observed_at": "2026-08-28T04:06:08.634646+00:00", "stars": 2043}, "canonical_url": "https://ross.abutalabs.com/products/expert", "card": {"archived": false, "artifact_type": "cli-tool", "description": "Official Elixir Language Server Protocol implementation", "domain": ["programming-languages", "developer-tools", "text-editors"], "enriched": true, "function": ["editor", "developer-tools", "parser"], "health_score": 100, "homepage": "https://www.expert-lsp.org", "language": "Elixir", "license": "Apache-2.0", "license_family": "permissive", "maturity": "experimental", "member_repos": ["expert-lsp/expert"], "name": "expert-lsp/expert", "platform": ["windows", "cross-platform", "editor-plugin"], "pushed_at": "2026-08-26T18:06:15+00:00", "repo": "expert-lsp/expert", "stars": 2043, "tags": ["elixir", "language-server-protocol", "lsp", "code-intelligence", "editor-integration", "linux", "macos"], "topics": ["elixir", "language-server-protocol", "lsp"], "urls": [], "use_cases": ["set up Elixir language support in VS Code or Neovim", "get completions and go-to-definition for Elixir projects", "show Elixir compiler diagnostics inline in my editor", "format Elixir code automatically on save", "search document and workspace symbols in Elixir", "replace ElixirLS with the official Elixir language server"], "what_it_is": "Expert is the official Language Server Protocol (LSP) implementation for the Elixir programming language, merging the community ElixirLS, Lexical, and Next LS projects. It provides editor features like completions, go-to-definition, diagnostics, code actions, formatting, and symbol search via a standalone binary that editors connect to over stdio.", "when_to_avoid": ["you need Credo or other diagnostic plugin integrations, which are not yet supported", "you require a stable 1.0 release, as the project is still in alpha working toward its first release", "you rely on features specific to the older community servers that have not been ported yet"], "when_to_choose": ["you write Elixir and want official, actively developed LSP support", "you want a single language server consolidating ElixirLS, Lexical, and Next LS", "you need per-project Elixir version handling and workspace folders", "you want installable via Homebrew, Nix, Mason, mise, or GitHub releases"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/expert", "repo": "expert-lsp/expert", "role": "main", "score": 89}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:08.634646+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:58:06.727652+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "20a9174106ccb10e49098ca45fe6b2fd4215bec77cb627d4fc93df806e03e983", "fetched_at": "2026-08-28T04:06:08.634646+00:00", "kind": "readme", "missing": false, "url": "https://github.com/expert-lsp/expert"}, {"content_hash": "5b45f875cbacd2ae6b5019163b708173c39a99500359552f2600a8e37472c5da", "fetched_at": "2026-08-29T10:38:18.733289+00:00", "kind": "homepage", "missing": false, "url": "https://www.expert-lsp.org"}, {"content_hash": "1aa3598133d24930b091c7ced2fcfad65c55064c07b6a36833f1c20466c27abb", "fetched_at": "2026-08-29T10:38:18.743700+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/installation"}, {"content_hash": "044f078c7da43af3d4eae2dfa048d730116ef1ff59f5049fbdc2504c7fe68442", "fetched_at": "2026-08-29T10:38:18.745586+00:00", "kind": "site_page", "missing": false, "url": "https://expert-lsp.org/docs/faq"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 51, "rhythm": 98}, "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": 714, "days_push": 7, "days_rel": 12, "gap_med": 12, "n_releases_24m": 10}, "score": 89, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}