Alphalens

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    "name": "Alphalens",
    "description": "Performance analysis of predictive (alpha) stock factors",
    "category": "finance",
    "url": "https://www.openagentskill.com/skills/quantopian-alphalens",
    "repository": "https://github.com/quantopian/alphalens",
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    "Claude Code teams",
    "teams that value GitHub adoption signals",
    "Retrieve market data",
    "Compare financial signals",
    "Generate investor-ready analysis",
    "Load tabular data",
    "Calculate trends"
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    "Claude Code",
    "Cursor",
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      "revision": null,
      "notice": "Skill source structure is not confirmed in the registry. Inspect the source and identify valid skill instructions before proposing an installation. A repository URL or GitHub stars do not prove installability."
    },
    "command": "",
    "ready": false,
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        "id": "cursor",
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      }
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    "handoff_url": "https://www.openagentskill.com/api/skills/quantopian-alphalens/install",
    "manifest_url": "https://www.openagentskill.com/api/registry/manifest/quantopian-alphalens"
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      "stars": "4.3K GitHub stars",
      "repoActivity": "4.3K stars, 1.3K forks",
      "lastPushed": "3y since push",
      "license": "Apache-2.0",
      "repository": "https://github.com/quantopian/alphalens",
      "install": "Skill source structure is not confirmed in the registry. Inspect the source and identify valid skill instructions before proposing an installation. A repository URL or GitHub stars do not prove installability.",
      "installSafety": "standard package or runtime install path",
      "permissionSurface": "filesystem or document access",
      "documentation": "Usable metadata, review docs",
      "agentOutcomes": "No agent outcome data yet"
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      "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"
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    "auto_install": {
      "allowed": false,
      "sandbox_required": true,
      "reason": "Skill source structure is not confirmed in the registry. Inspect the source and identify valid skill instructions before proposing an installation. A repository URL or GitHub stars do not prove installability."
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      "Financial research output is not financial advice; require human review before any live investment decision.",
      "Repository looks stale",
      "Quality score needs review",
      "Recent maintenance: 3y since push"
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  "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": {
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      "successfulOutcomes": 0,
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      "installAttempts": 0,
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    "signals": [],
    "penalties": [
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  "audit": {
    "score": 74,
    "risk_level": "needs_review",
    "risk_label": "Needs review",
    "warnings": [
      "Repository appears stale",
      "Financial research output is not financial advice; require human review before any live investment decision",
      "Repository looks stale",
      "Financial research output is not financial advice; require human review before any live investment decision.",
      "Quality score needs review",
      "Recent maintenance: 3y since push"
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  "safety_gate": {
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    "auto_install_policy": "review",
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    "human_review_required": true,
    "blocked": false,
    "recommended_action": "Skill source structure is not confirmed in the registry. Inspect the source and identify valid skill instructions before proposing an installation. A repository URL or GitHub stars do not prove installability."
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    "score": 77,
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    "Financial research output is not financial advice; require human review before any live investment decision",
    "Financial research output is not financial advice; require human review before any live investment decision.",
    "Quality score needs review"
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    "task_input": "Use Alphalens in an agent workflow",
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    "install_policy": "review",
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      "Trust: 80/100 Strong shortlist",
      "Audit: 74/100 Needs review",
      "Safety: 58/100 Avoid automatic install",
      "Review repository, license, install command, and permission surface before production use."
    ],
    "expected_agent_output": {
      "selected_skill": "quantopian-alphalens (Alphalens)",
      "install_command": "",
      "risk_summary": "Needs review; Reviewed with permission notes; Review before production",
      "verification_result": "Report the smallest successful task, files touched, warnings, and any missing setup."
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    "expected_outcomes": [
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      "failed",
      "not_relevant",
      "blocked_by_risk",
      "setup_required"
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      "output_quality": 4,
      "error_type": null,
      "human_review_required": false,
      "workspace": "sandbox",
      "time_to_useful_ms": 120000,
      "notes": "Report the smallest successful task, setup friction, files touched, and risk notes."
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    "api": "https://www.openagentskill.com/api/agent/skills/quantopian-alphalens",
    "audit": "https://www.openagentskill.com/skills/quantopian-alphalens/audit",
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    "receipt": "https://www.openagentskill.com/api/agent/receipt?task=Use%20Alphalens%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text",
    "install": "https://www.openagentskill.com/api/skills/quantopian-alphalens/install",
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