Koskamo

Simmer MCP

An MCP server that allows AI agents to browse prediction markets, read skill documentation, and check leaderboards on platforms like Polymarket and Kalshi without requiring an API key for initial evaluation.

Visit Spartan Labs

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Simmer MCP logo, by Spartan LabsCommunity listingLocal stdioSource reviewed; not executedPublished by Spartan Labs
Vendor documentation

What you can do with it

  • Browse prediction markets
  • Read skill documentation
  • Check market leaderboards

Source and maintenance

Community listingRegistry 3.3.2
mcp-registry: io.github.adlai88/simmer-mcp@3.3.2Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

simmer-mcp 3.3.2

npmnpx
simmer-mcp package definition
{
  "version": "3.3.2",
  "transport": "stdio",
  "identifier": "simmer-mcp",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "SIMMER_API_KEY",
      "format": "string",
      "description": "Simmer API key (sk_live_...) from simmer.markets/dashboard. Required for Pro tools (autoresearch, trading, briefings). Free tools work without it."
    },
    {
      "name": "SIMMER_MCP_ALLOW_LIVE",
      "format": "string",
      "description": "Set to 'true' to allow live trading via simmer_trade. Without this, all trades run in paper/sim mode."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp@3.3.2"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp@3.3.2"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "simmer-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp@3.3.2"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp@3.3.2"
      ],
      "env": {
        "SIMMER_API_KEY": "<YOUR_SIMMER_API_KEY>",
        "SIMMER_MCP_ALLOW_LIVE": "<YOUR_SIMMER_MCP_ALLOW_LIVE>"
      }
    }
  }
}

Let your agent find its tools

Find servers like Simmer MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 4,369