{
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    "slug": "vynn-backtester",
    "name": "Vynn Backtester",
    "source": "tencent",
    "type": "skill",
    "category": "开发工具",
    "sourceUrl": "https://clawhub.ai/beee003/vynn-backtester",
    "canonicalUrl": "https://clawhub.ai/beee003/vynn-backtester",
    "targetPlatform": "OpenClaw"
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    "sourcePlatform": "tencent",
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    "extraction": "Extract archive",
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      "config.example.toml",
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      "Import or place the package into your OpenClaw setup."
    ],
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      "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.",
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        },
        {
          "label": "Upgrade existing",
          "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run."
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      "detail": "Yavira can redirect you to the upstream package for this source.",
      "primaryActionLabel": "Download for OpenClaw",
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        "Review SKILL.md after the package is downloaded.",
        "Confirm the extracted package contains the expected setup assets."
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        "Confirm the extracted package includes the expected docs or setup files.",
        "Validate the skill or prompts are available in your target agent workspace.",
        "Capture any manual follow-up steps the agent could not complete."
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    "agentPageUrl": "https://openagent3.xyz/skills/vynn-backtester/agent",
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  "agentAssist": {
    "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.",
    "steps": [
      "Download the package from Yavira.",
      "Extract it into a folder your agent can access.",
      "Paste one of the prompts below and point your agent at the extracted folder."
    ],
    "prompts": [
      {
        "label": "New install",
        "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete."
      },
      {
        "label": "Upgrade existing",
        "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run."
      }
    ]
  },
  "documentation": {
    "source": "clawhub",
    "primaryDoc": "SKILL.md",
    "sections": [
      {
        "title": "Vynn Backtester",
        "body": "Backtest any trading strategy with natural language. Get Sharpe ratio, returns, drawdown, and full equity curves in seconds."
      },
      {
        "title": "What it does",
        "body": "Natural language strategies: Describe your strategy in plain English and Vynn translates it into a runnable backtest\nStructured strategies: Power users can pass precise entry/exit rules as JSON\nFull metrics: Sharpe ratio, total return, max drawdown, win rate, trade count, and equity curve\nMulti-ticker: Backtest across any combination of stocks, ETFs, or indices\nStrategy comparison: Compare multiple strategies head-to-head, ranked by Sharpe ratio\nNo infrastructure: No local data downloads, no dependencies beyond Python stdlib"
      },
      {
        "title": "Setup",
        "body": "Get a free API key at the-vynn.com (10 backtests/month, no credit card)\nSet VYNN_API_KEY in your environment or skill config\nRun /backtest \"your strategy here\" from any OpenClaw agent"
      },
      {
        "title": "Quick start",
        "body": "# Sign up (instant, returns your API key)\ncurl -X POST https://the-vynn.com/v1/signup -H \"Content-Type: application/json\" -d '{\"email\": \"you@example.com\"}'\n\n# Set the key\nexport VYNN_API_KEY=\"vynn_free_...\""
      },
      {
        "title": "Simple natural language backtest",
        "body": "/backtest \"RSI mean reversion on AAPL, 2 year lookback\""
      },
      {
        "title": "Momentum strategy",
        "body": "/backtest \"MACD crossover on SPY with 20/50 EMA filter\""
      },
      {
        "title": "Multi-ticker portfolio",
        "body": "/backtest --tickers AAPL,MSFT,GOOGL --strategy \"momentum top 3\""
      },
      {
        "title": "Structured entry/exit rules",
        "body": "/backtest '{\"entries\": [{\"indicator\": \"RSI\", \"op\": \"<\", \"value\": 30}], \"exits\": [{\"indicator\": \"RSI\", \"op\": \">\", \"value\": 70}]}' --tickers AAPL"
      },
      {
        "title": "Compare strategies",
        "body": "from plugin import VynnBacktesterPlugin\n\nvynn = VynnBacktesterPlugin()\nresults = vynn.compare(\n    strategies=[\n        \"RSI mean reversion\",\n        \"MACD crossover\",\n        \"Bollinger band breakout\",\n    ],\n    tickers=[\"SPY\"],\n)\nfor r in results:\n    print(f\"{r.strategy}: Sharpe={r.sharpe_ratio}, Return={r.total_return_pct}%\")"
      },
      {
        "title": "Environment Variables",
        "body": "VariableRequiredDescriptionDefaultVYNN_API_KEYYesYour API key from the-vynn.com--VYNN_BASE_URLNoOverride API base URL (for self-hosted instances)https://the-vynn.com/v1"
      },
      {
        "title": "External Endpoints",
        "body": "EndpointPurposeData Senthttps://the-vynn.com/v1/backtestExecute a strategy backtestStrategy text, ticker list, lookback periodhttps://the-vynn.com/v1/signupFree API key registrationEmail address"
      },
      {
        "title": "Security & Privacy",
        "body": "All requests authenticated via X-API-Key header\nStrategy descriptions and ticker lists are sent to the Vynn API for backtest execution\nNo trading data, portfolio holdings, or personal information is stored beyond the backtest run\nBacktest results are ephemeral and not persisted on Vynn servers\nNo credentials are stored by the skill -- only your API key in environment variables\nSource code is fully open: github.com/beee003/astrai-openclaw"
      },
      {
        "title": "Model Invocation",
        "body": "This skill does not invoke any LLM models. It sends strategy descriptions to the Vynn backtest engine, which is a quantitative execution engine (not an AI model). No prompts or completions are generated."
      },
      {
        "title": "Pricing",
        "body": "Free: 10 backtests/month, all features, no credit card required\nPro ($29/mo): Unlimited backtests, priority execution, extended lookback periods"
      }
    ],
    "body": "Vynn Backtester\n\nBacktest any trading strategy with natural language. Get Sharpe ratio, returns, drawdown, and full equity curves in seconds.\n\nWhat it does\nNatural language strategies: Describe your strategy in plain English and Vynn translates it into a runnable backtest\nStructured strategies: Power users can pass precise entry/exit rules as JSON\nFull metrics: Sharpe ratio, total return, max drawdown, win rate, trade count, and equity curve\nMulti-ticker: Backtest across any combination of stocks, ETFs, or indices\nStrategy comparison: Compare multiple strategies head-to-head, ranked by Sharpe ratio\nNo infrastructure: No local data downloads, no dependencies beyond Python stdlib\nSetup\nGet a free API key at the-vynn.com (10 backtests/month, no credit card)\nSet VYNN_API_KEY in your environment or skill config\nRun /backtest \"your strategy here\" from any OpenClaw agent\nQuick start\n# Sign up (instant, returns your API key)\ncurl -X POST https://the-vynn.com/v1/signup -H \"Content-Type: application/json\" -d '{\"email\": \"you@example.com\"}'\n\n# Set the key\nexport VYNN_API_KEY=\"vynn_free_...\"\n\nUsage examples\nSimple natural language backtest\n/backtest \"RSI mean reversion on AAPL, 2 year lookback\"\n\nMomentum strategy\n/backtest \"MACD crossover on SPY with 20/50 EMA filter\"\n\nMulti-ticker portfolio\n/backtest --tickers AAPL,MSFT,GOOGL --strategy \"momentum top 3\"\n\nStructured entry/exit rules\n/backtest '{\"entries\": [{\"indicator\": \"RSI\", \"op\": \"<\", \"value\": 30}], \"exits\": [{\"indicator\": \"RSI\", \"op\": \">\", \"value\": 70}]}' --tickers AAPL\n\nCompare strategies\nfrom plugin import VynnBacktesterPlugin\n\nvynn = VynnBacktesterPlugin()\nresults = vynn.compare(\n    strategies=[\n        \"RSI mean reversion\",\n        \"MACD crossover\",\n        \"Bollinger band breakout\",\n    ],\n    tickers=[\"SPY\"],\n)\nfor r in results:\n    print(f\"{r.strategy}: Sharpe={r.sharpe_ratio}, Return={r.total_return_pct}%\")\n\nEnvironment Variables\nVariable\tRequired\tDescription\tDefault\nVYNN_API_KEY\tYes\tYour API key from the-vynn.com\t--\nVYNN_BASE_URL\tNo\tOverride API base URL (for self-hosted instances)\thttps://the-vynn.com/v1\nExternal Endpoints\nEndpoint\tPurpose\tData Sent\nhttps://the-vynn.com/v1/backtest\tExecute a strategy backtest\tStrategy text, ticker list, lookback period\nhttps://the-vynn.com/v1/signup\tFree API key registration\tEmail address\nSecurity & Privacy\nAll requests authenticated via X-API-Key header\nStrategy descriptions and ticker lists are sent to the Vynn API for backtest execution\nNo trading data, portfolio holdings, or personal information is stored beyond the backtest run\nBacktest results are ephemeral and not persisted on Vynn servers\nNo credentials are stored by the skill -- only your API key in environment variables\nSource code is fully open: github.com/beee003/astrai-openclaw\nModel Invocation\n\nThis skill does not invoke any LLM models. It sends strategy descriptions to the Vynn backtest engine, which is a quantitative execution engine (not an AI model). No prompts or completions are generated.\n\nPricing\nFree: 10 backtests/month, all features, no credit card required\nPro ($29/mo): Unlimited backtests, priority execution, extended lookback periods"
  },
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    "sourceLabel": "tencent",
    "provenanceUrl": "https://clawhub.ai/beee003/vynn-backtester",
    "publisherUrl": "https://clawhub.ai/beee003/vynn-backtester",
    "owner": "beee003",
    "version": "1.0.0",
    "license": null,
    "verificationStatus": "Indexed source record"
  },
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