PluginBench
MCP Server
Active
MIT

Simmer MCP Server

io.github.adlai88/simmer-mcp

RepositoryRegistry

What is the Simmer MCP server?

Trade prediction markets with AI agents — skill discovery, autoresearch, and execution.

How to install Simmer

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Environment / auth
  • SIMMER_API_KEY
    secret

    Simmer API key (sk_live_...) from simmer.markets/dashboard. Required for Pro tools (autoresearch, trading, briefings). Free tools work without it.

  • SIMMER_MCP_ALLOW_LIVE

    Set to 'true' to allow live trading via simmer_trade. Without this, all trades run in paper/sim mode.

Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "simmer-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}
Claude Code
claude mcp add simmer-mcp --env SIMMER_API_KEY=<YOUR_SIMMER_API_KEY> --env SIMMER_MCP_ALLOW_LIVE=<YOUR_SIMMER_MCP_ALLOW_LIVE> -- npx -y simmer-mcp

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