bellwether-mcp
About
Live prediction market data from Polymarket and Kalshi with VWAP pricing and reportability.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
Transportstdio (runs a local command)
Env vars
BELLWETHER_API_KEYClaude Code
claude mcp add --env BELLWETHER_API_KEY= bellwether-mcp -- npx bellwether-mcp
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"bellwether-mcp","command":"npx","args":["bellwether-mcp"],"env":{"BELLWETHER_API_KEY":""}}'
JSON
{
"mcpServers": {
"bellwether-mcp": {
"command": "npx",
"args": [
"bellwether-mcp"
],
"env": {
"BELLWETHER_API_KEY": ""
}
}
}
}
Environment variables are listed by name only — fill in your own values. Entries never carry secrets.