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Bellwether
Kalshi and Polymarket, normalized into one schema. One endpoint for markets, prices, and cross-venue arbitrage candidates.
https://bellwether.markets/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://api.bellwether.markets/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 14, 2026 · api.bellwether.markets
3tools discovered
List Markets
List open prediction markets across Kalshi and Polymarket (normalized).
Get Market
Get one normalized market. venue is 'kalshi' or 'polymarket'.
Matching Markets
Find the same real-world event on both venues, with the YES price spread.
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsKalshi and Polymarket, normalized into one schema. One endpoint for markets, prices, and cross-venue arbitrage candidates.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
MCPBundles probed 3 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
Operate Bellwether? Verify ownership to take over this directory entry.
This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.
Other MCP servers in this category from the directory index
No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.
MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.
Narmitech exposes 9 public tools on this MCP endpoint.
9 tools