{"adoption": {"forks": 2847, "observed_at": "2026-08-28T04:11:47.112773+00:00", "stars": 26764}, "canonical_url": "https://ross.abutalabs.com/products/tree-sitter", "card": {"archived": false, "artifact_type": "library", "description": "An incremental parsing system for programming tools", "domain": ["parsers", "programming-languages", "developer-tools", "text-editors"], "enriched": true, "function": ["parser", "interpreter", "developer-tools"], "health_score": 100, "homepage": "https://tree-sitter.github.io", "language": "Rust", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["tree-sitter/tree-sitter"], "name": "tree-sitter/tree-sitter", "platform": ["cross-platform", "rust", "cpp", "wasm", "python", "cli"], "pushed_at": "2026-08-26T07:56:42+00:00", "repo": "tree-sitter/tree-sitter", "stars": 26764, "tags": ["parser-generator", "syntax-highlighting", "concrete-syntax-tree", "error-tolerant-parsing", "editor-integration", "code-analysis", "nodejs"], "topics": ["incremental", "parsing", "c", "tree-sitter", "rust", "parser", "wasm"], "urls": [], "use_cases": ["build syntax highlighting for a code editor", "parse source code incrementally on every keystroke", "write a grammar for a new programming language", "analyze or refactor code with a concrete syntax tree", "parse code robustly even with syntax errors", "embed a fast parser in a Rust or C application"], "what_it_is": "Tree-sitter is a parser generator tool and incremental parsing library that builds concrete syntax trees for source files and efficiently updates them as edits occur. Its runtime is written in pure C with bindings for Rust, WebAssembly, and other languages, making it embeddable in editors and programming tools.", "when_to_avoid": ["you only need one-off parsing with no incremental updates", "you need full semantic analysis or type checking rather than syntax trees", "your target format is data (JSON/YAML) rather than programming languages"], "when_to_choose": ["you need fast, incremental re-parsing of edited source files", "you want error-tolerant parsing that still yields useful trees", "you need a dependency-free C runtime embeddable anywhere", "you're building editor features like highlighting, folding, or code navigation"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/tree-sitter", "repo": "tree-sitter/tree-sitter", "role": "main", "score": 99}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:47.112773+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:55:50.049548+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "7984c7c2f775cd08f470431af058b5523886888daa8ef6443c0dbd8c2afe3bcc", "fetched_at": "2026-08-28T04:11:47.112773+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tree-sitter/tree-sitter"}, {"content_hash": "f09585a2ecfaff659d021f32fc8e7e2c1928ad1fa728aedb0354d5c21bba6d2a", "fetched_at": "2026-08-29T07:52:01.741171+00:00", "kind": "homepage", "missing": false, "url": "https://tree-sitter.github.io"}, {"content_hash": "5d8a92ffb956cddeeb4fdbffe1a123d95b035493163708273717d8ec83ab701a", "fetched_at": "2026-08-29T07:52:01.750312+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tree-sitter"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 99}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4683, "days_push": 7, "days_rel": 10, "gap_med": 16, "n_releases_24m": 32}, "score": 99, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}