Bellwether MCP Server
markets.bellwether/prediction-marketsv0.1.0
Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
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Install Bellwether MCP server
Install in Claude Code
claude mcp add --transport http markets-bellwether-prediction-markets https://api.bellwether.markets/mcpInstall in Cursor
{
"mcpServers": {
"markets-bellwether-prediction-markets": {
"url": "https://api.bellwether.markets/mcp"
}
}
}Install in Claude Desktop
{
"mcpServers": {
"markets-bellwether-prediction-markets": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://api.bellwether.markets/mcp"
]
}
}
}Or add it as a custom connector under Settings → Connectors. The config above bridges via mcp-remote.
Install in VS Code
{
"servers": {
"markets-bellwether-prediction-markets": {
"type": "http",
"url": "https://api.bellwether.markets/mcp"
}
}
}Install in Windsurf
{
"mcpServers": {
"markets-bellwether-prediction-markets": {
"serverUrl": "https://api.bellwether.markets/mcp"
}
}
}Remote endpoints
- streamable-http
https://api.bellwether.markets/mcp
Freshness
Slowing — last maintenance signal 3mo ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
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Package published
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Registry entry updated
2026-07-03 · 3mo ago · official registry · v0.1.0
FAQ
›How do I install the Bellwether MCP server in Claude Code?
Run: claude mcp add --transport http markets-bellwether-prediction-markets https://api.bellwether.markets/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Bellwether require an API key?
No required environment variables are declared in its published metadata.
›Can I use Bellwether as a remote (hosted) MCP server?
Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.
›Is Bellwether in the official MCP registry?
Yes, as markets.bellwether/prediction-markets.