Matches news to Polymarket markets and returns the market's probability. Optional capped trading.
To add actually 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 8 environment variables, listed below.
Install
npx -y actually-mcp-server@0.1.10Environment variables
POLYMARKET_PRIVATE_KEYSet in your MCP configACTUALLY_MAX_ORDER_USDSet in your MCP configACTUALLY_DAILY_LIMIT_USDSet in your MCP configACTUALLY_ENABLE_REDEEMSet in your MCP configACTUALLY_SEARCH_FALLBACKSet in your MCP configACTUALLY_SPEND_STATE_PATHSet in your MCP configACTUALLY_WORKER_URLSet in your MCP configACTUALLY_WORKER_SECRETSet in your MCP configInstall with your client
claude mcp add actually --env POLYMARKET_PRIVATE_KEY=<YOUR_POLYMARKET_PRIVATE_KEY> --env ACTUALLY_MAX_ORDER_USD=<YOUR_ACTUALLY_MAX_ORDER_USD> --env ACTUALLY_DAILY_LIMIT_USD=<YOUR_ACTUALLY_DAILY_LIMIT_USD> --env ACTUALLY_ENABLE_REDEEM=<YOUR_ACTUALLY_ENABLE_REDEEM> --env ACTUALLY_SEARCH_FALLBACK=<YOUR_ACTUALLY_SEARCH_FALLBACK> --env ACTUALLY_SPEND_STATE_PATH=<YOUR_ACTUALLY_SPEND_STATE_PATH> --env ACTUALLY_WORKER_URL=<YOUR_ACTUALLY_WORKER_URL> --env ACTUALLY_WORKER_SECRET=<YOUR_ACTUALLY_WORKER_SECRET> -- npx -y actually-mcp-server@0.1.10
Run this in a terminal to add the server to Claude Code.
What this does
actually 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:
POLYMARKET_PRIVATE_KEY ACTUALLY_MAX_ORDER_USD ACTUALLY_DAILY_LIMIT_USD ACTUALLY_ENABLE_REDEEM ACTUALLY_SEARCH_FALLBACK ACTUALLY_SPEND_STATE_PATH ACTUALLY_WORKER_URL ACTUALLY_WORKER_SECRET
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install actually?
Run the Claude Code command in the install section to add actually 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 actually?
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 actually as well.
Does actually need an API key?
Yes. Before it can run, set these environment variables: POLYMARKET_PRIVATE_KEY, ACTUALLY_MAX_ORDER_USD, ACTUALLY_DAILY_LIMIT_USD, ACTUALLY_ENABLE_REDEEM, ACTUALLY_SEARCH_FALLBACK, ACTUALLY_SPEND_STATE_PATH, ACTUALLY_WORKER_URL, ACTUALLY_WORKER_SECRET. 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.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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