Polymarket + Kalshi odds, movers, gaps, watch, and X sentiment for AI agents. Pay per call via x402.
To add prediction-market-signal-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 5 environment variables, listed below.
Install
npx -y prediction-market-signal-mcp@0.1.0Environment variables
CDP_API_KEY_IDSet in your MCP configCDP_API_KEY_SECRETSet in your MCP configCDP_WALLET_SECRETSet in your MCP configX402_MAX_PRICESet in your MCP configCDP_ACCOUNT_NAMESet in your MCP configInstall with your client
claude mcp add prediction-market-signal --env CDP_API_KEY_ID=<YOUR_CDP_API_KEY_ID> --env CDP_API_KEY_SECRET=<YOUR_CDP_API_KEY_SECRET> --env CDP_WALLET_SECRET=<YOUR_CDP_WALLET_SECRET> --env X402_MAX_PRICE=<YOUR_X402_MAX_PRICE> --env CDP_ACCOUNT_NAME=<YOUR_CDP_ACCOUNT_NAME> -- npx -y prediction-market-signal-mcp@0.1.0
Run this in a terminal to add the server to Claude Code.
What this does
prediction-market-signal-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
CDP_API_KEY_ID CDP_API_KEY_SECRET CDP_WALLET_SECRET X402_MAX_PRICE CDP_ACCOUNT_NAME
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install prediction-market-signal-mcp?
Run the Claude Code command in the install section to add prediction-market-signal-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with prediction-market-signal-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to prediction-market-signal-mcp as well.
Does prediction-market-signal-mcp need an API key?
Yes. Before it can run, set these environment variables: CDP_API_KEY_ID, CDP_API_KEY_SECRET, CDP_WALLET_SECRET, X402_MAX_PRICE, CDP_ACCOUNT_NAME. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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