[Keyword Trends via Google Trends] 关键词热度趋势(数据来源:Google Trends,使用须遵守 Google 服务条款)。 时间序列 + 地区热度 + 相关上升查询（含 Breakout 标记）。一次最多 5 个关键词同图对比。 Use when: 用户说"X 关键词最近热度怎么样""A 和 B 哪个更火""有没有季节性""哪些州最爱 X""breakout 上升词""新品方向判断""趋势对比""X 是不是已经过气了"。 Don't use: 想要绝对搜索量（Trends 只给 0-100 相对值）；想看商品/链接（用 search_amazon ...
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AI agents call keyword_trends to retrieve information from Amazon Mcp without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though keyword_trends only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"keyword_trends": {}
}
}See the full Amazon Mcp policy for all 20 tools.
These attack patterns abuse exactly the kind of access keyword_trends gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
[Keyword Trends via Google Trends] 关键词热度趋势(数据来源:Google Trends,使用须遵守 Google 服务条款)。 时间序列 + 地区热度 + 相关上升查询（含 Breakout 标记）。一次最多 5 个关键词同图对比。 Use when: 用户说"X 关键词最近热度怎么样""A 和 B 哪个更火""有没有季节性""哪些州最爱 X""breakout 上升词""新品方向判断""趋势对比""X 是不是已经过气了"。 Don't use: 想要绝对搜索量（Trends 只给 0-100 相对值）；想看商品/链接（用 search_amazon / ai_search）；只查一个关键词的瞬时值（数据量不够，至少传 2 个对比才有意义）。 Returns: data.json.{ keywordsGeoData[{ keyword, geoMapData[{ geoCode, geoName, value[], formattedValue[], hasData[] }] }], keywordsRankData[{ keyword, rankList[{ rankedKeyword[{ query, value, formattedValue, link, hasData }] }] }], timelineData[{ time, formattedTime, value[], formattedValue[] }], geoMapData[] }, taskId, url。 Pair with: ↑ keywords 来自用户或 search_amazon 找到的核心词；↓ Breakout/上升词可喂回 search_amazon 探索新机会，或喂 filter_niches 看是否成型为 niche。 Cost: ~1.5 积点/次, ~5s。 Tips: timeRange = today 12-m (默认) | today 3-m | today 5-y | all 等；region = ISO 国家码或 'WORLD'；language 影响相关查询的语言。. It is categorised as a Read tool in the Amazon Mcp MCP Server, which means it retrieves data without modifying state.
Register the Amazon MCP server in PolicyLayer and add a rule for keyword_trends: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Amazon Mcp. Nothing to install.
keyword_trends is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the keyword_trends rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for keyword_trends. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
keyword_trends is provided by the Amazon MCP server (https://mcp.pangolinfo.com/mcp?api_key={api_key}). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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