Prediction Market Spread (cross-venue)

live Utility

market-spread MCP — cross-venue prediction-market landscape scanner.

2 tools
0ms auth
free tier 50 calls/day

Tools

compare_topic

Cross-venue prediction-market LANDSCAPE scanner: for one topic, show how 5 venues (Polymarket, Kalshi, Manifold, PredictIt, Futuur) are pricing it side by side and flag divergence. Each venue is queri

No parameters required.

▶ Try it
venue_quotes

Single-venue drill-down: fetch one venue's current top 5 matches for a query, each as { title, implied_probability (0-1 or null), url }. Useful after compare_topic to look closer at one venue. Implied

No parameters required.

▶ Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/market-spread/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/market-spread/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"compare_topic","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("compare_topic", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("market-spread mcp — cross-venue prediction-market landscape scanner");