Polymarket prediction markets — buy/sell positions in USDC. LemonCake pay-per-call billing.
Use this profile to copy client config, check auth requirements, review tools and resources, and compare related MCP servers before adding it to an AI client.
npx -y polymarket-guard-mcp{
"POLYMARKET_PRIVATE_KEY": "YOUR_SECRET_VALUE",
"LEMON_CAKE_BUYER_JWT": "YOUR_SECRET_VALUE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-evidai-polymarket-guard": {
"command": "npx",
"args": [
"-y",
"polymarket-guard-mcp"
],
"env": {
"POLYMARKET_PRIVATE_KEY": "YOUR_SECRET_VALUE",
"LEMON_CAKE_BUYER_JWT": "YOUR_SECRET_VALUE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
polymarket-guard is an MCP server for Polymarket prediction markets — buy/sell positions in USDC. LemonCake pay-per-call billing.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y polymarket-guard-mcp; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y polymarket-guard-mcp. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y polymarket-guard-mcp. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y polymarket-guard-mcp. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y polymarket-guard-mcp. Add required environment variables before starting Cursor or VS Code.
polymarket-guard uses STDIO transport. Use the package or command config in Install.
polymarket-guard inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
polymarket-guard does not advertise a verified auth requirement. If discovery fails, it may still need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
polymarket-guard-mcpstdio | npm | 0.1.0 | Env: POLYMARKET_PRIVATE_KEY secret Env: LEMON_CAKE_BUYER_JWT secret |