Install Hostim in Amp

What you need first

  • Amp, installed.
  • Docker, which gives the docker command the server starts with.
  • Your own value for YOUR_HOSTIM_TOKEN.

Steps

  1. Open ~/.codex/config.toml, or create it. The Codex CLI, its IDE extension and the ChatGPT desktop app share this file.
  2. Add this table at the end of the file.
{
  "amp.mcpServers": {
    "hostim": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "-e", "HOSTIM_TOKEN", "ghcr.io/hostimdev/cli:v0.1.52", "mcp"],
      "env": { "HOSTIM_TOKEN": "YOUR_HOSTIM_TOKEN" }
    }
  }
}
  1. Replace YOUR_HOSTIM_TOKEN with your own value.
  2. Save the file and restart Amp.

Check it worked

Ask Amp: List the tools of hostim.

If it does not start

Cannot connect to the Docker daemon
Docker is not running. Start it, then restart Amp.
The server starts, but its tools fail
A YOUR_… placeholder is still in the config, or its value is wrong.
Nothing changes after a restart
The file is not valid JSON any more. Look for a missing comma where the block was added.

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