{"adoption": {"forks": 1631, "observed_at": "2026-08-28T04:10:37.027134+00:00", "stars": 9739}, "canonical_url": "https://ross.abutalabs.com/products/embassy", "card": {"archived": false, "artifact_type": "framework", "description": "Modern embedded framework, using Rust and async.", "domain": ["embedded-systems", "developer-tools", "cross-platform"], "enriched": true, "function": ["embedded", "concurrency", "sdk"], "health_score": 80, "homepage": "https://embassy.dev", "language": "Rust", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["embassy-rs/embassy"], "name": "embassy-rs/embassy", "platform": ["embedded", "rust", "iot"], "pushed_at": "2026-08-27T00:03:56+00:00", "repo": "embassy-rs/embassy", "stars": 9739, "tags": ["async", "executor", "hal", "no-std", "rtos-alternative", "microcontroller", "rust"], "topics": ["async", "embedded", "executor", "rust", "hal", "drivers"], "urls": [], "use_cases": ["write async Rust firmware for a microcontroller", "replace an RTOS with a lightweight async executor on embedded hardware", "blink LEDs and handle GPIO interrupts concurrently on an RP2040 or STM32", "build battery-efficient embedded applications without dynamic memory allocation", "develop firmware for nRF52, ESP32, or Raspberry Pi Pico in Rust", "manage hardware timers and timekeeping in no_std embedded code"], "what_it_is": "Embassy is a next-generation embedded framework for Rust that uses async/await for cooperative multitasking on microcontrollers without an RTOS or dynamic allocation. It provides an async executor, hardware abstraction layers for STM32, nRF, RP2040/RP235x, and other chip families, plus batteries-included timekeeping and drivers.", "when_to_avoid": ["your project is written in C/C++ or another language", "you need hard real-time guarantees with deterministic scheduling that cooperative async cannot provide", "your microcontroller family has no Embassy or compatible HAL available"], "when_to_choose": ["you want safe, memory-safe embedded development in Rust with async/await", "you need multitasking on a microcontroller without an RTOS, heap, or per-task stacks", "your target chip is supported by an Embassy HAL (STM32, nRF, RP2040/RP235x, ESP32, etc.)"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/embassy", "repo": "embassy-rs/embassy", "role": "main", "score": 77}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:10:37.027134+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:21:12.704134+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "d76541714b4f4bc65b4561d83fcf6ec82333f74d7fc87c6546b2b98927293525", "fetched_at": "2026-08-28T04:10:37.027134+00:00", "kind": "readme", "missing": false, "url": "https://github.com/embassy-rs/embassy"}, {"content_hash": "4ffe8c2efa137a0f939e9cf560f2245e738716384b118b358f63dc6a2b9fca42", "fetched_at": "2026-08-29T08:20:47.750701+00:00", "kind": "homepage", "missing": false, "url": "https://embassy.dev"}, {"content_hash": "adc7eecbac1fece05d0efc2cb98ad8d3bb49361e29b22cae03386d01ea6e0d4e", "fetched_at": "2026-08-29T08:20:47.753851+00:00", "kind": "site_page", "missing": false, "url": "https://embassy.dev/book"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "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": 2171, "days_push": 7, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 77, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}