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page:docs-agent-mux-tutorials-plugins

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Plugins (MCP) reference

agent-mux normalizes plugin management across adapters that support the Model Context Protocol. Under the hood it writes to each agent's MCP config file.

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Plugins (MCP)

agent-mux normalizes plugin management across adapters that support the **Model Context Protocol**. Under the hood it writes to each agent's MCP config file.

Which adapters support plugins?

Adapter	`supportsPlugins`
`claude`	yes
`cursor`	yes
`gemini`	yes
`opencode`	yes
`openclaw`	yes
`codex`, `copilot`, `hermes`, `pi`, `omp`, `agent-mux-remote`	no

Install

bash

amux plugin install claude @modelcontextprotocol/server-filesystem \
  --arg /workspace

Programmatic:

await client.installPlugin({
  agent: 'claude',
  name: 'filesystem',
  command: 'npx',
  args: ['-y', '@modelcontextprotocol/server-filesystem', '/workspace'],
  env: {},
});

List

bash

amux plugin list claude

Returns InstalledPlugin[] with the name, command, args, and env currently configured.

Uninstall

bash

amux plugin uninstall claude filesystem

Where it writes

Each adapter points at its native MCP location — e.g. ~/.claude/settings.json for Claude Code, ~/.config/gemini/settings.json for Gemini. See the per-agent page for the exact file.

Registry

Plugin discovery uses the MCP registry at https://modelcontextprotocol.io. The registry is not currently searchable from the CLI (searchable: false), so you install by name.