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ollama-mcpo-adapter MCP Server

@tappi287

Repository

Basic information

Category

AI & Agents

License

MIT

Transports

stdio

Author

tappi287

About ollama-mcpo-adapter MCP Server

Adapter to expose MCPO, the MCP-to-OpenAPI proxy server, tools in Ollama-compatible format

#openapi#mcp-server#mcpo-to-ollama#openapi-to-ollama-tools

ollama-mcpo-adapter MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "ollama-mcpo-adapter": {
      "command": "uvx",
      "args": [
        "mcpo",
        "--port",
        "5090",
        "--config",
        "/path/to/mcp_config.json"
      ]
    }
  }
}

ollama-mcpo-adapter MCP Server tools

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Overview

What is ollama-mcpo-adapter?

ollama-mcpo-adapter is a Python package that connects to a MCPO (MCP-to-OpenAPI proxy) server and lists its exposed MCP tools as Ollama-compatible function definitions, enabling tool calling from Ollama models.

How to use ollama-mcpo-adapter?

Install with pip install ollama-mcpo-adapter. Then create an OllamaMCPOAdapter instance pointing to a running MCPO server (or launch one with MCPOService) and call list_tools_ollama() to get tool definitions. Pass these tools to an Ollama chat request and use call_tools_from_response() to execute tool calls.

Key features of ollama-mcpo-adapter

  • Connects to an existing MCPO instance via host and port
  • Optionally launches a MCPO server programmatically with MCPOService
  • Discovers MCP tools exposed through OpenAPI and converts them to Ollama tool format
  • Reliable server name discovery with a provided MCP config path
  • Supports Windows via WIN_NODEJS_NPX_PATH environment variable

Use cases of ollama-mcpo-adapter

  • Exposing file system, time, or any MCP server tools to Ollama for function calling
  • Building AI assistants that call external tools via MCP without switching paradigms
  • Prototyping and testing Ollama models with real-world tool invocations

Frequently asked questions

1

What dependencies does ollama-mcpo-adapter require?

Python 3.8+ and the `ollama` Python package for sending tool-calling requests.

2

Where does the MCP configuration live?

You provide the MCP config as a JSON dictionary or file path when using `MCPOService`; the `OllamaMCPOAdapter` also accepts an optional `config_path` for reliable server name discovery.

3

What about Windows compatibility?

Set the environment variable `WIN_NODEJS_NPX_PATH` to the full path of `npx.cmd` if the default npx path is not found.

4

Can I use ollama-mcpo-adapter without starting my own MCPO server?

Yes, point the adapter to an already running MCPO instance by specifying its host and port.

5

Is the adapter secure?

It communicates with MCPO over HTTP; consider network security and authentication if MCPO is exposed publicly (not detailed in the README).

Comments

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