{"adoption": {"forks": 2608, "observed_at": "2026-08-28T04:10:42.371916+00:00", "stars": 10568}, "canonical_url": "https://ross.abutalabs.com/products/foundry", "card": {"archived": false, "artifact_type": "framework", "description": "Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.", "domain": ["blockchain", "developer-tools"], "enriched": true, "function": ["testing", "fuzzing", "compiler", "cli", "developer-tools", "blockchain"], "health_score": 100, "homepage": "https://getfoundry.sh/", "language": "Rust", "license": "Apache-2.0", "license_family": "permissive", "maturity": "stable", "member_repos": ["foundry-rs/foundry", "foundry-rs/forge-std"], "name": "Foundry", "platform": ["windows", "cli", "cross-platform"], "pushed_at": "2026-08-26T23:49:20+00:00", "repo": "foundry-rs/foundry", "stars": 10568, "tags": ["ethereum", "solidity", "evm", "smart-contracts", "forge", "cast", "anvil", "chisel", "rust", "vyper", "dapp-development", "local-node", "repl", "linux", "macos"], "topics": ["rust", "solidity", "evm", "testing", "fuzzing", "blockchain", "ethereum", "tooling", "framework", "eth", "dapp", "alloy", "bytecode", "compiler", "compilers", "ir", "smart-contracts", "tempo", "vyper", "toolkit"], "urls": [{"kind": "homepage", "url": "https://getfoundry.sh/"}, {"kind": "site_page", "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"kind": "site_page", "url": "https://www.getfoundry.sh/changelog"}], "use_cases": ["test and fuzz solidity smart contracts", "deploy ethereum contracts from the command line", "run a local ethereum node with mainnet forking", "query blockchain data and send transactions from cli", "prototype solidity code in a repl", "debug evm bytecode and trace contract calls"], "what_it_is": "Foundry is a fast, portable, modular toolkit for Ethereum smart contract development written in Rust, comprising Forge (build/test/fuzz/deploy), Cast (chain interaction CLI), Anvil (local dev node with forking), and Chisel (Solidity REPL). It is the de facto standard alternative to Hardhat/Truffle for Solidity development.", "when_to_avoid": ["you need a JavaScript/TypeScript-native testing environment with deep ethers.js integration", "you are building non-EVM blockchain applications", "you want a GUI-based contract IDE experience"], "when_to_choose": ["you develop or audit Solidity/Vyper smart contracts and want fast compilation and testing", "you need fuzzing, invariant testing, or gas snapshots for contracts", "you want to fork mainnet locally for realistic testing", "you prefer a CLI-first workflow over JavaScript-based frameworks like Hardhat"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/repos/foundry-rs/foundry", "repo": "foundry-rs/foundry", "role": "main", "score": 94}, {"path": "/repos/foundry-rs/forge-std", "repo": "foundry-rs/forge-std", "role": "sdk", "score": 92}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:10:42.371916+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:18:31.889151+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3e3e244fa05753d9b9c26e0995e90843b182183c9a07c6d1cca78a00cd92297c", "fetched_at": "2026-08-28T04:10:42.371916+00:00", "kind": "readme", "missing": false, "url": "https://github.com/foundry-rs/foundry"}, {"content_hash": "d41f6e914a4aef6348415581c18b05cba16aebfc042d1ff172bff53aff8b7d8b", "fetched_at": "2026-08-29T08:17:44.179055+00:00", "kind": "homepage", "missing": false, "url": "https://getfoundry.sh/"}, {"content_hash": "0aec647c8b7467c9a6d42365fcdf184344c026ef0547abf414b1ec51b100ee29", "fetched_at": "2026-08-29T08:17:44.188140+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/introduction/getting-started"}, {"content_hash": "33953667041c223cb2d30ace662ce4a0d131bc294b5d5626cbde435e66d81cf8", "fetched_at": "2026-08-29T08:17:44.190736+00:00", "kind": "site_page", "missing": false, "url": "https://www.getfoundry.sh/changelog"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 83}, "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": 1820, "days_push": 7, "days_rel": 117, "gap_med": 5, "n_releases_24m": 40}, "score": 94, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}