{"adoption": {"forks": 65, "observed_at": "2026-08-28T04:04:13.293936+00:00", "stars": 1277}, "canonical_url": "https://ross.abutalabs.com/products/rappel", "card": {"archived": false, "artifact_type": "cli-tool", "description": "A linux-based assembly REPL for x86, amd64, armv7, and armv8", "domain": ["developer-tools", "operating-systems"], "enriched": true, "function": ["interpreter", "developer-tools"], "health_score": 20, "homepage": null, "language": "C", "license": "NOASSERTION", "license_family": "other", "maturity": "maintenance", "member_repos": ["yrp604/rappel"], "name": "yrp604/rappel", "platform": ["cli"], "pushed_at": "2024-03-07T04:45:15+00:00", "repo": "yrp604/rappel", "stars": 1277, "tags": ["assembly-repl", "ptrace", "x86", "amd64", "armv7", "armv8", "aarch64", "interactive-learning", "debugging", "command-line", "linux"], "topics": ["repl", "asm", "armv7", "x86", "x86-64", "linux", "x64", "rappel", "debugger", "ptrace", "assembly-repl", "assembly", "assembly-language", "armv8", "aarch64", "amd64", "arm64"], "urls": [], "use_cases": ["experiment with x86 assembly instructions interactively", "check how an instruction affects CPU registers and flags", "learn assembly language by typing instructions and seeing results", "test single assembly instructions in a pipe for scripting", "explore amd64 and ARM instruction behavior on Linux"], "what_it_is": "Rappel is a Linux-based interactive assembly REPL that runs instructions by rewriting and executing a child process's .text section under ptrace, displaying register and flag states after each step. It supports x86, amd64, armv7, and armv8/aarch64 architectures.", "when_to_avoid": ["you need a full debugger with breakpoints and memory inspection", "you are on Windows or macOS", "you need Thumb mode support on ARM", "your kernel uses grsecurity PAX_MPROTECT, which breaks ptrace-based memory writes"], "when_to_choose": ["you want a quick interactive way to try assembly instructions on Linux", "you need to see register and flag effects of individual instructions", "you are learning or teaching x86 or ARM assembly"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/rappel", "repo": "yrp604/rappel", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:13.293936+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T05:02:53.060293+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "cee453215c843d98c3f1cf9692f1c45c06419916cde107ba9d8a5f1af6ec5c4f", "fetched_at": "2026-08-28T04:04:13.293936+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yrp604/rappel"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3857, "days_push": 909, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}