system-design-primer

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30 of your 35 findings came from Repobility's proprietary detections. ✓ Repobility tags below mark them.

Scan timing: clone 9.15s · analysis 0.28s · 13.6 MB · GitHub API rate-limit (preflight)

https://github.com/donnemartin/system-design-primer.git · scanned 2026-05-24 01:22 UTC (1 week, 5 days ago) · 10 languages

88 findings (34 legacy + 54 scanner) 43rd percentile · Python · tiny (<2K LoC) Scanner says 93 (lower by 33)

File as issue Image v2 schema

UNIFIED Repobility · multi-layer engine · AI coders

Complete repo analysis

Last scanned 1 week, 5 days ago · v1 · 88 findings from 2 sources. Findings combine the legacy security pipeline AND the multi-layer engine (atlas, wiring, flows, ranked) AND verified AI agent contributions.

JSON

Score breakdown â 2026-05-18-v5

Component	Sub-score	Weight	Contribution
`structure_score`	55.0	0.15	8.25
`security_score`	100.0	0.25	25.00
`testing_score`	0.0	0.20	0.00
`documentation_score`	85.0	0.15	12.75
`practices_score`	40.0	0.15	6.00
`code_quality`	80.0	0.10	8.00
Overall		1.00	60.0

Severity distribution — click a segment to filter

Active filters: excluding tests × Reset all

Severity: Critical 0 High 26 Medium 4 Low 49 9-Layer: Software Security Quality Integrity Frontend Hardware Data Network Cicd Source: Legacy 34 9-layer 54 Crowd 0 Layer: Quality 53 Software 31 Api 1 Frontend 1 Security 1 Cicd 1

Exclude dismissed / FP Exclude test files

All 224 nodes from the latest scan, grouped by kind. Each node is a unit the engine identified (file, function, endpoint, table…). Most users won't need this view — it's primarily for debugging the engine's graph extraction or for AI agents that want to enumerate the project structure.

Label	Layer	Status	Path
`__init__`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`clear_spots`	software	dead	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`take_spot`	software	dead	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`can_fit_in_spot`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`park_vehicle`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`spot_freed`	software	dead	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`_find_available_spot`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`_park_starting_at_spot`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`is_available`	software	dead	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`can_fit_vehicle`	software	dead	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`remove_vehicle`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`__init__`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`take_call`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`complete_call`	software	dead	`solutions/object_oriented_design/call_center/call_center.py…`
`escalate_call`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`_escalate_call`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`dispatch_call`	software	dead	`solutions/object_oriented_design/call_center/call_center.py…`
`_dispatch_call`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`notify_call_escalated`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`notify_call_completed`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`dispatch_queued_call_to_newly_freed_employee`	software	dead	`solutions/object_oriented_design/call_center/call_center.py…`
`__init__`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:26`
`move_to_front`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:14`
`append_to_front`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:17`
`remove_from_tail`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:20`
`get`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:32`
`set`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:43`
`__init__`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`value`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`is_ace`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`is_face_card`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`add_card`	software	dead	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`score`	software	dead	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`possible_scores`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`remaining_cards`	software	dead	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`deal_card`	software	dead	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`shuffle`	software	dead	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`__init__`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py:10`
`_hash_function`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py:14`
`set`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py:17`
`get`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py:25`
`remove`	software	dead	`solutions/object_oriented_design/hash_table/hash_map.py:32`
`__init__`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`add_user`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`
`remove_user`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`
`add_friend_request`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`
`approve_friend_request`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`
`reject_friend_request`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`
`message_user`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`
`message_group`	software	dead	`solutions/object_oriented_design/online_chat/online_chat.py…`

Showing first 50 of this kind. Full payload available via the JSON button at the top of the page.

Label	Layer	Status	Path
`VehicleSize`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`Vehicle`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`Motorcycle`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`Car`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`Bus`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`ParkingLot`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`Level`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`ParkingSpot`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py…`
`Rank`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`Employee`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`Operator`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`Supervisor`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`Director`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`CallState`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`Call`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`CallCenter`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py…`
`Node`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:1`
`LinkedList`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:8`
`Cache`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py:24`
`Suit`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`Card`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`BlackJackCard`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`Hand`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`BlackJackHand`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`Deck`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`Item`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py:1`
`HashTable`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py:8`
`UserService`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`User`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`Chat`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`PrivateChat`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`GroupChat`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`Message`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`AddRequest`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`RequestStatus`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py…`
`HitCounts`	software	healthy	`solutions/system_design/pastebin/pastebin.py:6`
`SalesRanker`	software	healthy	`solutions/system_design/sales_rank/sales_rank_mapreduce.py:6`
`QueryApi`	software	healthy	`solutions/system_design/query_cache/query_cache_snippets.py…`
`Node`	software	healthy	`solutions/system_design/query_cache/query_cache_snippets.py…`
`LinkedList`	software	healthy	`solutions/system_design/query_cache/query_cache_snippets.py…`
`Cache`	software	healthy	`solutions/system_design/query_cache/query_cache_snippets.py…`
`State`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`Graph`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`Person`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`LookupService`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`PersonServer`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`UserGraphService`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`PagesDataStore`	software	healthy	`solutions/system_design/web_crawler/web_crawler_snippets.py…`
`Page`	software	healthy	`solutions/system_design/web_crawler/web_crawler_snippets.py…`
`Crawler`	software	healthy	`solutions/system_design/web_crawler/web_crawler_snippets.py…`

Showing first 50 of this kind. Full payload available via the JSON button at the top of the page.

Label	Layer	Status	Path
`TRANSLATIONS.md`	software	healthy	`TRANSLATIONS.md`
`README.md`	software	healthy	`README.md`
`CONTRIBUTING.md`	software	healthy	`CONTRIBUTING.md`
`epub-metadata.yaml`	software	healthy	`epub-metadata.yaml`
`README-zh-TW.md`	software	healthy	`README-zh-TW.md`
`README-zh-Hans.md`	software	healthy	`README-zh-Hans.md`
`generate-epub.sh`	software	healthy	`generate-epub.sh`
`README-ja.md`	software	healthy	`README-ja.md`
`__init__.py`	software	healthy	`solutions/object_oriented_design/parking_lot/__init__.py`
`parking_lot.py`	software	healthy	`solutions/object_oriented_design/parking_lot/parking_lot.py`
`call_center.py`	software	healthy	`solutions/object_oriented_design/call_center/call_center.py`
`__init__.py`	software	healthy	`solutions/object_oriented_design/call_center/__init__.py`
`__init__.py`	software	healthy	`solutions/object_oriented_design/lru_cache/__init__.py`
`lru_cache.py`	software	healthy	`solutions/object_oriented_design/lru_cache/lru_cache.py`
`__init__.py`	software	healthy	`solutions/object_oriented_design/deck_of_cards/__init__.py`
`deck_of_cards.py`	software	healthy	`solutions/object_oriented_design/deck_of_cards/deck_of_card…`
`__init__.py`	software	healthy	`solutions/object_oriented_design/hash_table/__init__.py`
`hash_map.py`	software	healthy	`solutions/object_oriented_design/hash_table/hash_map.py`
`__init__.py`	software	healthy	`solutions/object_oriented_design/online_chat/__init__.py`
`online_chat.py`	software	healthy	`solutions/object_oriented_design/online_chat/online_chat.py`
`pastebin.py`	software	healthy	`solutions/system_design/pastebin/pastebin.py`
`__init__.py`	software	healthy	`solutions/system_design/pastebin/__init__.py`
`README.md`	software	healthy	`solutions/system_design/pastebin/README.md`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/pastebin/README-zh-Hans.md`
`__init__.py`	software	healthy	`solutions/system_design/sales_rank/__init__.py`
`README.md`	software	healthy	`solutions/system_design/sales_rank/README.md`
`sales_rank_mapreduce.py`	software	healthy	`solutions/system_design/sales_rank/sales_rank_mapreduce.py`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/sales_rank/README-zh-Hans.md`
`__init__.py`	software	healthy	`solutions/system_design/query_cache/__init__.py`
`README.md`	software	healthy	`solutions/system_design/query_cache/README.md`
`query_cache_snippets.py`	software	healthy	`solutions/system_design/query_cache/query_cache_snippets.py`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/query_cache/README-zh-Hans.md`
`__init__.py`	software	healthy	`solutions/system_design/social_graph/__init__.py`
`README.md`	software	healthy	`solutions/system_design/social_graph/README.md`
`social_graph_snippets.py`	software	healthy	`solutions/system_design/social_graph/social_graph_snippets.…`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/social_graph/README-zh-Hans.md`
`README.md`	software	healthy	`solutions/system_design/scaling_aws/README.md`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/scaling_aws/README-zh-Hans.md`
`README.md`	software	healthy	`solutions/system_design/twitter/README.md`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/twitter/README-zh-Hans.md`
`web_crawler_snippets.py`	software	healthy	`solutions/system_design/web_crawler/web_crawler_snippets.py`
`web_crawler_mapreduce.py`	software	healthy	`solutions/system_design/web_crawler/web_crawler_mapreduce.py`
`__init__.py`	software	healthy	`solutions/system_design/web_crawler/__init__.py`
`README.md`	software	healthy	`solutions/system_design/web_crawler/README.md`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/web_crawler/README-zh-Hans.md`
`mint_mapreduce.py`	software	healthy	`solutions/system_design/mint/mint_mapreduce.py`
`__init__.py`	software	healthy	`solutions/system_design/mint/__init__.py`
`mint_snippets.py`	software	healthy	`solutions/system_design/mint/mint_snippets.py`
`README.md`	software	healthy	`solutions/system_design/mint/README.md`
`README-zh-Hans.md`	software	healthy	`solutions/system_design/mint/README-zh-Hans.md`

Showing first 50 of this kind. Full payload available via the JSON button at the top of the page.

Label	Layer	Status	Path
`solutions`	software	healthy	`solutions`
`object_oriented_design`	software	healthy	`solutions/object_oriented_design`
`parking_lot`	software	healthy	`solutions/object_oriented_design/parking_lot`
`call_center`	software	healthy	`solutions/object_oriented_design/call_center`
`lru_cache`	software	healthy	`solutions/object_oriented_design/lru_cache`
`deck_of_cards`	software	healthy	`solutions/object_oriented_design/deck_of_cards`
`hash_table`	software	healthy	`solutions/object_oriented_design/hash_table`
`online_chat`	software	healthy	`solutions/object_oriented_design/online_chat`
`system_design`	software	healthy	`solutions/system_design`
`pastebin`	software	healthy	`solutions/system_design/pastebin`
`sales_rank`	software	healthy	`solutions/system_design/sales_rank`
`query_cache`	software	healthy	`solutions/system_design/query_cache`
`social_graph`	software	healthy	`solutions/system_design/social_graph`
`scaling_aws`	software	healthy	`solutions/system_design/scaling_aws`
`twitter`	software	healthy	`solutions/system_design/twitter`
`web_crawler`	software	healthy	`solutions/system_design/web_crawler`
`mint`	software	healthy	`solutions/system_design/mint`
`.github`	software	healthy	`.github`

Label	Layer	Status	Path
`repobility-clone-r728n8dx`	software	healthy	`/tmp/repobility-clone-r728n8dx`

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system-design-primer

Complete repo analysis

function 50+

class 50+

file 50+

directory 18

repo 1