{"adoption": {"forks": 91, "observed_at": "2026-08-28T04:05:02.042270+00:00", "stars": 1549}, "canonical_url": "https://ross.abutalabs.com/products/devshell", "card": {"archived": false, "artifact_type": "library", "description": "Per project developer environments", "domain": ["developer-tools"], "enriched": true, "function": ["developer-tools", "configuration-management", "cli"], "health_score": 73, "homepage": "https://numtide.github.io/devshell/", "language": "Nix", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["numtide/devshell"], "name": "numtide/devshell", "platform": ["cli"], "pushed_at": "2026-06-18T20:01:15+00:00", "repo": "numtide/devshell", "stars": 1549, "tags": ["nix", "direnv", "development-environment", "reproducible-environments", "toml", "devops", "command-line", "linux", "macos"], "topics": ["nix", "toml", "direnv"], "urls": [], "use_cases": ["set up per-project development environments with nix", "onboard new contributors with a single command", "replace virtualenv-style workflows for all languages", "get a clean shell environment without stdenv pollution", "integrate dev shells with direnv and nix flakes", "define project dependencies in a toml file"], "what_it_is": "devshell is a Nix-based tool for defining per-project developer environments, configured via TOML and integrated with nix-shell, direnv, and nix flakes. It provides a clean shell environment with project-scoped dependencies so contributors can start working within minutes of cloning a repo.", "when_to_avoid": ["you don't use or want to adopt the Nix package manager", "you need Windows-native development environments", "you want a fully stable, guaranteed API (project is marked unstable)"], "when_to_choose": ["your team uses Nix and wants reproducible, per-project dev shells", "you want a cleaner environment than mkShell with fewer exported variables", "you need multi-language project dependencies managed declaratively"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/devshell", "repo": "numtide/devshell", "role": "main", "score": 72}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:02.042270+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:30:23.523642+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21c052389de294c79ff1f7c0962b78f44ffbcf723cf73522adea4993413c6820", "fetched_at": "2026-08-28T04:05:02.042270+00:00", "kind": "readme", "missing": false, "url": "https://github.com/numtide/devshell"}, {"content_hash": "a0c4453d4fd7f302dfcb6a297b2e05db44127677dfae11ad2982d090a9eca5c8", "fetched_at": "2026-08-29T11:31:04.695836+00:00", "kind": "homepage", "missing": false, "url": "https://numtide.github.io/devshell/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 88, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2220, "days_push": 76, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 72, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}