{"adoption": {"forks": 273, "observed_at": "2026-08-28T04:08:55.373041+00:00", "stars": 4632}, "canonical_url": "https://ross.abutalabs.com/products/webcontainer-core", "card": {"archived": false, "artifact_type": "library", "description": "Dev environments. In your web app.", "domain": ["developer-tools", "web-development", "frontend", "education", "browser-extensions"], "enriched": true, "function": ["interpreter", "developer-tools", "cli", "file-system", "web-framework"], "health_score": 31, "homepage": "https://webcontainers.io", "language": null, "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["stackblitz/webcontainer-core"], "name": "stackblitz/webcontainer-core", "platform": ["browser", "wasm"], "pushed_at": "2025-04-22T12:05:41+00:00", "repo": "stackblitz/webcontainer-core", "stars": 4632, "tags": ["webcontainers", "in-browser-nodejs", "stackblitz", "dev-environments", "interactive-coding", "wasm-runtime", "online-ide", "nodejs", "web-server"], "topics": ["browser", "nodejs", "stackblitz", "webcontainer"], "urls": [], "use_cases": ["run node.js apps in the browser", "embed interactive coding tutorials in a web app", "build an online IDE for full-stack javascript", "let users run npm packages without installing anything", "create in-browser playgrounds for node.js SDKs", "preview full-stack apps from a PR in the browser"], "what_it_is": "WebContainers is a browser-based Node.js runtime from StackBlitz that lets web apps run full-stack JavaScript dev environments entirely in the browser. This repository is the central hub for issues and bug tracking, with the API distributed as the @webcontainer/api npm package.", "when_to_avoid": ["you need languages or runtimes beyond Node.js/JavaScript", "your app cannot set COOP/COEP headers for cross-origin isolation", "you need heavy native modules or long-running production server workloads"], "when_to_choose": ["you need instant, zero-setup Node.js dev environments embedded in a web app", "you're building interactive coding education, docs, or playgrounds", "you want disposable, secure server-side JavaScript execution client-side"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/webcontainer-core", "repo": "stackblitz/webcontainer-core", "role": "main", "score": 40}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:55.373041+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:19:35.958795+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5d98ddd1c43360de3c745865ab9a1e39573d40439da026db1d8d9de8d90a3859", "fetched_at": "2026-08-28T04:08:55.373041+00:00", "kind": "readme", "missing": false, "url": "https://github.com/stackblitz/webcontainer-core"}, {"content_hash": "e018cd8074566c4803ea335d5a8656bb81c4049ce7e31d343b49168ab9469437", "fetched_at": "2026-08-29T09:04:44.454848+00:00", "kind": "homepage", "missing": false, "url": "https://webcontainers.io"}, {"content_hash": "740c6d46d03f003516a35d6e1e56af1f71c7b2bc0f9b155fdc19e4188d1e7a4d", "fetched_at": "2026-08-29T09:04:44.459777+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/guides/quickstart"}, {"content_hash": "301820018d21400d3a1ad0902bc1c9ba31c65ed2f55d6a7f0866954a154d91a1", "fetched_at": "2026-08-29T09:04:44.457792+00:00", "kind": "site_page", "missing": false, "url": "https://webcontainers.io/tutorial/1-build-your-first-webcontainer-app"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 17, "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": 1939, "days_push": 498, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 40, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}