{"data":{"slug":"arekusandr-last-layer","name":"last_layer","tagline":"Ultra-fast low latency LLM prompt injection jailbreak detection","github_url":"https://github.com/arekusandr/last_layer","owner":"arekusandr","repo":"last_layer","owner_avatar_url":"https://avatars.githubusercontent.com/u/164400244?v=4","primary_language":"Python","stars":133,"forks":6,"topics":["chatgpt-prompts","jailbreak","large-language-models","llm-guard","llm-guardrails","llm-local","llm-security","prompt-engineering","security-tools"],"archived":false,"github_pushed_at":"2024-07-26T02:56:47+00:00","maintenance_label":"Dormant","stars_delta_30d":2,"url":"https://www.graphcanon.com/tools/arekusandr-last-layer","markdown_url":"https://www.graphcanon.com/tools/arekusandr-last-layer.md","api_url":"https://www.graphcanon.com/api/graphcanon/tools/arekusandr-last-layer","graph_url":"https://www.graphcanon.com/api/graphcanon/graph?tool=arekusandr-last-layer","description":"Ultra-fast, low latency LLM prompt injection/jailbreak detection ⛓️","homepage_url":"https://vibe-eval.com","license":"MIT","open_issues":13,"watchers":1,"ai_summary":"Last Layer is an ultra-fast tool designed for low-latency detection of prompt injections and jailbreak attempts in large language models.","readme_excerpt":"## 📦 Installation\n\nTo install `last_layer`, simply run:\n\n```shell\npip install last_layer\n```\n\n---\n\n## ⛓️ Quick Start\n\nImport and use last_layer in your project to scan prompts and responses from LLMs:\n\n```python\nfrom last_layer import scan_prompt, scan_llm\n\n---\n\n## License\n\nDistributed under the MIT License. See LICENSE for more information.","github_created_at":"2024-03-29T10:54:35+00:00","created_at":"2026-07-15T10:45:20.675947+00:00","updated_at":"2026-09-20T04:26:37.489555+00:00","categories":[{"slug":"evaluation-observability","name":"Evaluation & Observability","url":"https://www.graphcanon.com/categories/evaluation-observability","markdown_url":"https://www.graphcanon.com/categories/evaluation-observability.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/evaluation-observability"}],"tags":[{"slug":"chatgpt-prompts","name":"chatgpt-prompts"},{"slug":"jailbreak","name":"jailbreak"},{"slug":"large-language-models","name":"large-language-models"},{"slug":"llm-guard","name":"llm-guard"},{"slug":"llm-guardrails","name":"llm-guardrails"},{"slug":"llm-local","name":"llm-local"},{"slug":"llm-security","name":"llm-security"},{"slug":"prompt-engineering","name":"prompt-engineering"}],"trust":{"provenance":{"is_fork":false,"github_id":779234798,"owner_type":"User","methodology":"github_public_v1","parent_repo":null,"near_duplicate_slugs":[]},"computed_at":"2026-09-14T06:00:12.099Z","maintenance":{"label":"Dormant","score":18,"methodology":"github_public_v1","releases_90d":0,"days_since_push":780,"last_release_at":"2024-04-12T12:56:22Z","stars_delta_30d":2,"open_issues_delta_30d":0},"security_summary":{"status":"findings","scanner":"osv@v1","low_count":185,"high_count":0,"last_scan_at":"2026-07-15T10:45:22.093Z","medium_count":0,"scan_profile":"deps","critical_count":0}},"capability_facts":{"scan":{"source":"repo_scan","observed_at":"2026-09-14T06:00:12.734Z"},"has_cli":{"value":true,"source":"pyproject.toml:[project.scripts]","observed_at":"2026-09-14T06:00:12.734Z"},"languages":{"value":["python"],"source":"github.language+pyproject.toml","observed_at":"2026-09-14T06:00:12.734Z"},"license_spdx":{"value":"MIT","source":"github.license","observed_at":"2026-09-14T06:00:12.734Z"}},"decision_facts":{"hosting":null,"pricing":null,"requirements":null,"constraints":null,"when_to_use":["When you need fast detection of potential security vulnerabilities due to unauthorized prompt manipulations in real-time scenarios involving LLMs","In situations where the immediate isolation or flagging of jailbreak attempts is crucial to maintain system integrity and user safety"],"when_not_to_use":["If your application does not require ultra-low latency detection and can afford slower, potentially more comprehensive security evaluations","For environments that prefer a broader range of security features beyond prompt injection detection, as last_layer focuses specifically on this aspect with speed in mind"],"source":"enrich:decision_facts","observed_at":"2026-07-16T21:30:13.782Z"},"constraint_facets":null,"decision_summary":[{"label":"Adopt for","value":"An ultra-fast Python tool for detecting prompt injections and jailbreak attempts in large language models suitable for projects requiring rapid security evaluations, with low-latency performance."}]}}