Bridge to multiple LLMs and CLI agents: councils, debates, voting, and more
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 mcp-rubber-duck{
"OPENAI_API_KEY": "YOUR_SECRET_VALUE",
"GEMINI_API_KEY": "YOUR_SECRET_VALUE",
"GROQ_API_KEY": "YOUR_SECRET_VALUE",
"DEFAULT_PROVIDER": "YOUR_VALUE_HERE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-nesquikm-rubber-duck": {
"command": "npx",
"args": [
"-y",
"mcp-rubber-duck"
],
"env": {
"OPENAI_API_KEY": "YOUR_SECRET_VALUE",
"GEMINI_API_KEY": "YOUR_SECRET_VALUE",
"GROQ_API_KEY": "YOUR_SECRET_VALUE",
"DEFAULT_PROVIDER": "YOUR_VALUE_HERE"
}
}
}
}~/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.
rubber-duck is an MCP server for Bridge to multiple LLMs and CLI agents: councils, debates, voting, and more. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y mcp-rubber-duck; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y mcp-rubber-duck. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y mcp-rubber-duck. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y mcp-rubber-duck. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y mcp-rubber-duck. Add required environment variables before starting Cursor or VS Code.
rubber-duck uses STDIO transport. Use the package or command config in Install.
rubber-duck inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
rubber-duck 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 |
|---|---|---|---|
mcp-rubber-duckstdio | npm | 1.18.0 | Env: OPENAI_API_KEY secret Env: GEMINI_API_KEY secret Env: GROQ_API_KEY secret Env: DEFAULT_PROVIDER |