Pi

Adapter for the **Pi** agent CLI.

Install

amux install pi

Supported on macOS, Linux and Windows.

Auth

• **Provider API keys** — provider-specific env vars.

Config file: ~/.pi/agent/settings.json.

Minimal run

amux run pi --prompt "Draft a commit message"

Notable flags

• --model <id> — default default.
• --prompt <text> — forwarded prompt.

Session files

• Location: ~/.pi/agent/sessions/*.jsonl
• JSONL; parses text, message, and tool_call events.

Plugins

Plugin support: **no**. Use MCP servers for extensibility.

MCP Servers

amux mcp install pi <mcp-server>
amux mcp list pi

Registry: https://modelcontextprotocol.io

Capabilities

Tool calling (not parallel), tool-call streaming, text streaming, 128k context.

Known limitations

• No parallel tool calls.
• No thinking mode, no JSON mode, no structured output.
• No image, no file input.
• Approval mode is not wired through to CLI flags.
• Global config only.