What is LLM Wrapper MCP Server?
LLM Wrapper MCP Server is a Model Context Protocol (MCP) STDIO server that allows any MCP-capable LLM agent to communicate with or delegate tasks to any other LLM available through the OpenRouter.ai API. It’s built for developers who need a standardized interface to integrate multiple LLM backends into their applications.
How to use LLM Wrapper MCP Server?
Install the package via pip install llm-wrapper-mcp-server, create a .env file with your OPENROUTER_API_KEY, then run the server with python -m llm_wrapper_mcp_server [OPTIONS] (e.g., --model your-org/your-model). The server communicates over stdin/stdout using JSON‑RPC messages and exposes an llm_call tool that accepts a prompt (required) and optionally a model override.
Key features of LLM Wrapper MCP Server
- Implements the MCP specification for standardized LLM interactions.
- STDIO‑based server handling LLM requests and responses.
- Supports advanced tool calls and result processing via MCP.
- Configurable API base URL and model (OpenRouter by default).
- Designed for extensibility to integrate new LLM backends.
- Integrates with
llm-accounting for logging, rate limiting, and audit.
Use cases of LLM Wrapper MCP Server
- Allow any MCP‑capable agent to delegate tasks to OpenRouter’s LLM models.
- Monitor and audit remote LLM usage, inference costs, and query/response payloads.
- Seamlessly swap or update LLM backends without changing agent code.
- Run a local MCP bridge that logs all LLM calls for debugging or compliance.
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