openrpc-mpc-server

by shanejonas

33 stars

343 downloads

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GitHub

About

A Model Context Protocol (MCP) server that provides JSON-RPC functionality through OpenRPC.

Details

Author: shanejonas
Repository: shanejonas/openrpc-mcp-server
GitHub stars: 33
Downloads: 343
License: Apache License 2.0
Categories: Developer Tools, API, Finance
Tags: #data

Setting up with Highlight

Follow these steps to add this server as a custom Highlight plugin:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below
Plugin Name openrpc-mpc-server

Command (node, npx, python, etc.) npx
Arguments
- Argument 1 -y
- Argument 2 openrpc-mcp-server
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

From the repository

Install with npm install, build with npm run build, and configure as an MCP server in Claude Desktop by adding the provided JSON to the desktop config file. Run with npx -y openrpc-mcp-server. The server exposes two tools: rpc_call and rpc_discover.

`rpc_call`

Call arbitrary JSON-RPC methods. Parameters: server URL, method name, and parameters.

`rpc_discover`

Discover available JSON-RPC methods. Lists all methods on a given server using OpenRPC's rpc.discover specification.

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "openrpc-mpc-server": {
            "cwd": null,
            "env": {},
            "args": [
                "-y",
                "openrpc-mcp-server"
            ],
            "shell": false,
            "command": "npx"
        }
    }
}

Linux

{
    "cwd": null,
    "env": [],
    "args": [
        "-y",
        "openrpc-mcp-server"
    ],
    "shell": false,
    "command": "npx"
}

Macos

{
    "cwd": null,
    "env": [],
    "args": [
        "-y",
        "openrpc-mcp-server"
    ],
    "shell": false,
    "command": "npx"
}

Windows

{
    "cwd": null,
    "env": [],
    "args": [
        "-y",
        "openrpc-mcp-server"
    ],
    "shell": false,
    "command": "npx"
}

Provides JSON-RPC functionality through the OpenRPC specification.

A Model Context Protocol (MCP) server that provides JSON-RPC functionality throughOpenRPC.

https://github.com/user-attachments/assets/3447175a-f921-4ded-8250-b611edb2fb67

- rpc_call- Call arbitrary JSON-RPC methods

- Specify server URL, method name, and parameters
- Returns JSON-formatted results

- Uses OpenRPC'srpc.discoverspecification
- Lists all methods on a given server

To use with Claude Desktop, add the server config:

On MacOS:~/Library/Application Support/Claude/claude_desktop_config.jsonOn Windows:%APPDATA%/Claude/claude_desktop_config.json

{ "mcpServers": { "openrpc": { "command": "npx", "args": ["-y", "openrpc-mcp-server"] } } }

Since MCP servers communicate over stdio, debugging can be challenging. We recommend using theMCP Inspector:

The Inspector will provide a URL to access debugging tools in your browser.

This is a web browser that enables your coding agent, such as Claude Code, to visit websites on your behalf and assist you in identifying bugs or creating UI test cases.

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About

Details

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Setting up with Highlight

From the repository

rpc_call

rpc_discover

Claude Desktop / Cursor

Linux

Macos

Windows

Install

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