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MCP Registry/Simmer
S

Simmer

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

Use with clientMarkdown

Install and compare this MCP server

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.

Install
npx -y simmer-mcp
Clients
Claude, Cursor, VS Code, Codex
Transport
STDIO
Auth
Not captured
Capabilities
0 tools, 0 resources, 0 prompts
Related
Website Auditor, blockrun-mcp, Bowmark

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InstallAuthTools & ResourcesOverview

Install

Connection

Transport
STDIO
Command
npx -y simmer-mcp
Environment
{ "SIMMER_API_KEY": "YOUR_SECRET_VALUE", "SIMMER_MCP_ALLOW_LIVE": "YOUR_VALUE_HERE" }

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

{
  "mcpServers": {
    "io-github-adlai88-simmer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "simmer-mcp"
      ],
      "env": {
        "SIMMER_API_KEY": "YOUR_SECRET_VALUE",
        "SIMMER_MCP_ALLOW_LIVE": "YOUR_VALUE_HERE"
      }
    }
  }
}

Config location

macOS
~/Library/Application Support/Claude/claude_desktop_config.json
Windows
%APPDATA%\Claude\claude_desktop_config.json

Auth

Package transport

No remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.

Tools & Resources

Tools
0
Resources
0
Prompts
0
No public tools, resources, or prompts captured yet. Use Auth when this server requires credentials.

Tools

No tools captured yet.

Resources

No resources captured yet.

Prompts

No prompts captured yet.

Questions

What is Simmer?+

Simmer is an MCP server for Trade prediction markets with AI agents — skill discovery, autoresearch, and execution.. It supports STDIO transport.

How do I install Simmer?+

Use the generated config in Install. This server runs with npx -y simmer-mcp; add any required environment variables before starting your client.

How do I add Simmer to Claude Desktop?+

Choose the Claude Desktop tab in Install and copy the config for npx -y simmer-mcp. Add required environment variables before starting Claude Desktop.

How do I add Simmer to Claude Code?+

Choose the Claude Code tab in Install and copy the config for npx -y simmer-mcp. Add required environment variables before starting Claude Code.

How do I use Simmer with Codex?+

Choose the Codex tab in Install and copy the config for npx -y simmer-mcp. Add required environment variables before starting Codex.

How do I add Simmer to Cursor or VS Code?+

Choose the Cursor or VS Code tab in Install and copy the config for npx -y simmer-mcp. Add required environment variables before starting Cursor or VS Code.

What endpoint and transport does Simmer use?+

Simmer uses STDIO transport. Use the package or command config in Install.

What tools and resources does Simmer expose?+

Simmer inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.

Does Simmer require authentication?+

Simmer 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.

Related MCPs

Website AuditorAI visibility + site audits: see if ChatGPT, Perplexity, Claude & Gemini recommend a website.blockrun-mcpWeb search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.BowmarkDo things on live websites: prices, availability, quotes, bookings, anything behind a form or login.mcpProfile, CV, jobs, compensation & application-tracking tools for AI agents, by aicandidatehub.com.mcpProfile, CV, jobs, compensation & application-tracking tools for AI agents, by rolnia.com.ZiggsZiggs delegate MCP: chat, agreements, context, payments via OAuth or operator key.

Profile notes

  • Package: Npm simmer-mcp v3.3.2
  • Environment variable: SIMMER_API_KEY (secret)
  • Environment variable: SIMMER_MCP_ALLOW_LIVE

Packages

PackageRegistryVersionInputs
simmer-mcp

stdio

npm3.3.2

Env: SIMMER_API_KEY secret

Env: SIMMER_MCP_ALLOW_LIVE

Details

Version
3.3.2
Repository
https://github.com/SpartanLabsXyz/simmer-sdk
Website
https://simmer.markets
Updated
May 24, 2026