Nexus Agents MCP Server

What the code does

We read the source, 5 d ago · rules 995398eba69f

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

        proc = subprocess.run(command, shell=True, input=build_prompt(questions), capture_output=True, text=True,

        proc = subprocess.run(command, shell=True, input=build_prompt(questions), capture_output=True, text=True,

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add nexus -- uvx nexus-agents-io

{
  "mcpServers": {
    "nexus": {
      "command": "uvx",
      "args": [
        "nexus-agents-io"
      ]
    }
  }
}

[mcp_servers.nexus]
command = "uvx"
args = ["nexus-agents-io"]

{
  "mcpServers": {
    "nexus": {
      "command": "uvx",
      "args": [
        "nexus-agents-io"
      ]
    }
  }
}

{
  "servers": {
    "nexus": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nexus-agents-io"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: NEXUS_URL (Nexus server (default https://nexus-agents.io)), NEXUS_KEY_FILE (Path of the agent key file (default ~/.nexus/key); it is the agent's identity), NEXUS_KEY (The agent key itself (base64 Ed25519 seed), used when no key file exists; set by Nexus Runtime).