策略回测

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

无任何注解，描述需承担完全的行为披露责任。描述仅说明回测基于历史价格与技术指标，但未披露该操作是只读模拟、是否依赖特定数据源、是否有计算开销或结果形式。对于回测工具，未说明不会产生实际交易或需要额外权限。

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

描述为单个简洁句子，核心动作和策略列表均前置，没有冗余内容。但缺少任何结构化信息（如使用条件、返回值），不过就其呈现的内容而言，已经做到简洁高效。

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

工具拥有4个参数和6种策略，复杂度中等，且无输出schema。描述未说明回测结果的形态（如收益率、信号、图表），也未说明与crypto回测的边界，agent无法充分判断调用后的返回内容或限制。

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

schema描述覆盖率达到100%，所有参数（symbol、days、market、strategy）在schema中已有清晰说明。描述中列出的策略类型与schema中strategy参数的枚举完全重复，未增加额外语义，因此维持基线3。

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

描述明确说明了工具功能：基于历史价格与技术指标进行策略回测，并列出六种具体策略（SMA/RSI/MACD/BOLL/MA_CROSS/KDJ）。这足以让agent理解工具用途，但未明确区分于兄弟工具backtest_crypto_strategy，因为描述未指明本工具仅适用于股票市场，尽管schema中market参数暗示了这一点。

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

描述完全没有提供使用场景或与替代方案的对比。没有说明何时应使用此工具而非backtest_crypto_strategy或其他技术指标类工具（如stock_tech_indicators），缺少when/when-not指导。

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.