Bellwether
Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
我该使用它吗
质量与安全性
B
基于对工具定义和协议合规性的自动分析。
上下文开销
~322token 数（工具定义）
~946 B典型响应大小
对注意力的影响极小（占 128k 上下文窗口的 0.25%）
这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。
安装
一键安装
将以下内容添加到你的 `claude_desktop_config.json` 文件中：
{
"mcpServers": {
"prediction-markets": {
"url": "https://api.bellwether.markets/mcp"
}
}
}远程端点
https://api.bellwether.markets/mcpstreamable-http它能做什么
工具清单
工具（3）
🟢 只读🟡 写入🔴 删除⚪ 未知
🟢list_markets(limit, venue)
List open prediction markets across Kalshi and Polymarket (normalized).
输入模式
{
"type": "object",
"properties": {
"limit": {
"default": 50,
"title": "Limit",
"type": "integer"
},
"venue": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Venue"
}
},
"title": "list_marketsArguments"
}输出模式
{
"type": "object",
"properties": {
"result": {
"items": {
"additionalProperties": true,
"type": "object"
},
"title": "Result",
"type": "array"
}
},
"required": [
"result"
],
"title": "list_marketsOutput"
}🟢get_market(venue, market_id)
Get one normalized market. venue is 'kalshi' or 'polymarket'.
输入模式
{
"type": "object",
"properties": {
"venue": {
"title": "Venue",
"type": "string"
},
"market_id": {
"title": "Market Id",
"type": "string"
}
},
"required": [
"venue",
"market_id"
],
"title": "get_marketArguments"
}🟢matching_markets(limit, threshold)
Find the same real-world event on both venues, with the YES price spread.
输入模式
{
"type": "object",
"properties": {
"limit": {
"default": 100,
"title": "Limit",
"type": "integer"
},
"threshold": {
"default": 0.55,
"title": "Threshold",
"type": "number"
}
},
"title": "matching_marketsArguments"
}输出模式
{
"type": "object",
"properties": {
"result": {
"items": {
"additionalProperties": true,
"type": "object"
},
"title": "Result",
"type": "array"
}
},
"required": [
"result"
],
"title": "matching_marketsOutput"
}推荐提示词
retrieve_data
Get details about [item] from Bellwether
预期工具：
get_marketfetch_info
Fetch [information type] using Bellwether
预期工具：
get_marketlist_items
List all [items] available in Bellwether
预期工具：
list_marketsbrowse_collection
Show me the [collection] from Bellwether
预期工具：
list_marketsexplore_workflow
List available [items], then get details for each one using Bellwether
预期工具：
list_marketsget_market社区
证据
最近观测
已验证未记录版本3 个工具
已验证未记录版本3 个工具