OpenRouter

MCP tool from MassGen by massgen

Multi-model aggregator with dynamic model listing (400+ models)

How to use it

OpenRouter is exposed by the MassGen MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the OpenRouter tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install MassGen

$npx skills add massgen/skills

FULL MASSGEN LISTING

Other tools in MassGen (1)

OpenAI

GPT-5.2 (recommended default), GPT-5.1, GPT-5 series (GPT-5, GPT-5-mini, GPT-5-nano), GPT-5.1-Codex series, GPT-4.1 series, GPT-4o, o4-mini with reasoning, web search, code interpreter, and computer-use support