{"eval":{"version":"openagentskill-skill-eval-v1","slug":"krahets-hello-algo","name":"Hello Algo","generated_at":"2026-07-03T22:11:01.263Z","task_input":"Evaluate Hello Algo before installing it in an AI agent workflow","status":"review","score":89,"risk_level":"medium","decision":{"recommendation":"manual_review","reason":"Review the audit page, then allow agent install in a sandboxed workflow.","auto_install_allowed":false,"policy":"review","human_review_required":true},"task_fit":{"score":94,"suited_tasks":["Coding agents workflows","Claude Code teams","teams that value GitHub adoption signals","Inspect source files","Explain architecture","Patch bugs and verify changes","Chunk documents","Create embeddings"],"suited_agents":["Java","Education","Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"]},"install":{"command":"npx skills add krahets/hello-algo","ready":true,"policy":"review","safety_label":"Review before install","targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx skills add krahets/hello-algo"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"Hello Algo\" agent skill from https://github.com/krahets/hello-algo. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现"},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"Hello Algo\" as a Claude Code skill from https://github.com/krahets/hello-algo. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现"},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"Hello Algo\" from https://github.com/krahets/hello-algo into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现"}]},"trust":{"score":89,"label":"Production candidate","version":"trust-score-v4","evidence":{"stars":"127K GitHub stars","repoActivity":"127K stars, 15K forks","lastPushed":"3mo since push","license":"Unknown","repository":"https://github.com/krahets/hello-algo","install":"npx skills add krahets/hello-algo","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"}},"audit":{"score":91,"risk_level":"safe_to_try","risk_label":"Safe to try","warnings":["License is unclear","License clarity: Unknown"]},"safety_gate":{"score":75,"tier":"reviewed","label":"Reviewed","auto_install_policy":"review","blocked":false,"permission_hints":[{"id":"network","label":"Network access","reason":"Skill likely fetches remote pages, APIs, repositories, or external services.","severity":"medium"},{"id":"filesystem","label":"Filesystem access","reason":"Skill may read or write project files, documents, generated artifacts, or local workspace state.","severity":"medium"}],"policy_warnings":["License is unclear"]},"checks":[{"id":"task_fit","label":"Task fit","status":"pass","score":94,"required_for_auto_install":true,"detail":"Task wording matches this skill metadata.","evidence":["Evaluate Hello Algo before installing it in an AI agent workflow","education","Coding agents workflows; Claude Code teams; teams that value GitHub adoption signals"]},{"id":"install_path","label":"Install path","status":"pass","score":92,"required_for_auto_install":true,"detail":"Install handoff is available.","evidence":["npx skills add krahets/hello-algo"]},{"id":"install_safety","label":"Install command safety","status":"pass","score":92,"required_for_auto_install":true,"detail":"standard package or runtime install path","evidence":["npx skills add krahets/hello-algo"]},{"id":"trust_score","label":"Trust score","status":"pass","score":89,"required_for_auto_install":true,"detail":"Strong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/runtime risk, install safety, permission surface, and install availability.","evidence":["Production candidate","127K GitHub stars","Unknown"]},{"id":"audit_score","label":"Audit score","status":"pass","score":91,"required_for_auto_install":true,"detail":"Safe to try","evidence":["License is unclear"]},{"id":"agent_safety_gate","label":"Agent safety gate","status":"warn","score":75,"required_for_auto_install":true,"detail":"Good audit and safety signals with no high-risk permission hints in public metadata.","evidence":["Review the audit page, then allow agent install in a sandboxed workflow.","Safe-to-try audit"]},{"id":"readme_skillmd_completeness","label":"README/SKILL.md 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comparison.","evidence":["freecodecamp-freecodecamp","ebookfoundation-free-programming-books","thealgorithms-python","chalarangelo-30-seconds-of-code"]}],"blockers":[],"warnings":["Agent safety gate: Good audit and safety signals with no high-risk permission hints in public metadata.","License clarity: Unknown","License is unclear"],"validation_plan":["Inspect repository, README/SKILL.md, license, and recent commits before production use.","Install in an isolated workspace or sandbox with no production secrets available.","Run the smallest representative task and record files touched, commands run, network access, and outputs.","Compare the selected skill against at least one alternative when the eval status is review or failed.","Promote only after the agent reports a successful verification result and unresolved warnings are accepted."],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No major risk signals from current metadata","License is unclear","License clarity: Unknown","Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"alternatives":[{"slug":"freecodecamp-freecodecamp","name":"FreeCodeCamp","url":"https://www.openagentskill.com/skills/freecodecamp-freecodecamp","stars":448161,"install_command":"npx skills add freeCodeCamp/freeCodeCamp","trust_score":94,"audit_score":95},{"slug":"ebookfoundation-free-programming-books","name":"Free Programming Books","url":"https://www.openagentskill.com/skills/ebookfoundation-free-programming-books","stars":390340,"install_command":"npx skills add 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Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现"},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"Hello Algo\" as a Claude Code skill from https://github.com/krahets/hello-algo. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现"},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"Hello Algo\" from https://github.com/krahets/hello-algo into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现"}],"handoff_url":"https://www.openagentskill.com/api/skills/krahets-hello-algo/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/krahets-hello-algo"},"trust":{"score":89,"label":"Production candidate","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"127K GitHub stars","repoActivity":"127K stars, 15K forks","lastPushed":"3mo since push","license":"Unknown","repository":"https://github.com/krahets/hello-algo","install":"npx skills add krahets/hello-algo","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["education","learning","algo","algorithm","algorithms","book"],"known_risks":["License is unclear","License clarity: Unknown"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":91,"risk_level":"safe_to_try","risk_label":"Safe to try","warnings":["License is unclear","License clarity: Unknown"]},"safety_gate":{"tier":"reviewed","label":"Reviewed","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Review the audit page, then allow agent install in a sandboxed workflow."},"quality":{"score":100,"label":"Excellent"},"supply":{"track":"Coding and developer agents","scenario":"Coding agents","maintenance":"3mo since push","risk":"Safe to try"},"alternative_skills":[{"slug":"freecodecamp-freecodecamp","name":"FreeCodeCamp","url":"https://www.openagentskill.com/skills/freecodecamp-freecodecamp","stars":448161,"install_command":"npx skills add freeCodeCamp/freeCodeCamp","trust_score":94,"audit_score":95},{"slug":"ebookfoundation-free-programming-books","name":"Free Programming Books","url":"https://www.openagentskill.com/skills/ebookfoundation-free-programming-books","stars":390340,"install_command":"npx skills add EbookFoundation/free-programming-books","trust_score":92,"audit_score":95},{"slug":"thealgorithms-python","name":"Python","url":"https://www.openagentskill.com/skills/thealgorithms-python","stars":221991,"install_command":"npx skills add TheAlgorithms/Python","trust_score":90,"audit_score":92},{"slug":"chalarangelo-30-seconds-of-code","name":"30 Seconds Of Code","url":"https://www.openagentskill.com/skills/chalarangelo-30-seconds-of-code","stars":128117,"install_command":"npx skills add Chalarangelo/30-seconds-of-code","trust_score":92,"audit_score":95}],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No major risk signals from current metadata","License is unclear","License clarity: Unknown","Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"agent_contract":{"task_input":"Evaluate Hello Algo before installing it in an AI agent workflow","recommended_action":"Review the audit page, then allow agent install in a sandboxed workflow.","install_policy":"review","minimum_review_before_use":["Trust: 89/100 Production candidate","Audit: 91/100 Safe to try","Safety: 75/100 Review before install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"krahets-hello-algo (Hello Algo)","install_command":"npx skills add krahets/hello-algo","risk_summary":"Safe to try; 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