aegis-harness 0.3.0

A multi-agent meta-harness for coding agents — drives Claude Code, Gemini CLI, and OpenCode in one calm full-screen TUI.

Aegis

A multi-agent meta-harness for coding agents — drives Claude Code, Gemini CLI, and OpenCode side by side in one calm full-screen TUI.

Aegis sits above the harness. It drives existing coding-agent CLIs — claude (Anthropic), gemini (Google), opencode (open-source) — over their structured protocols (stream-json and ACP), parses the event streams, and re-renders them in a calm Textual TUI where many agents run side by side. It adds a routing + delegation plane on top: queues, workflows, an MCP server every spawned agent talks to, and an optional Telegram front-end.

┌ aegis ───────────────────────────────────────────────┐
│ ● 1 lucid-knuth ·opus·   ● 2 wry-hopper ·gemini·  *  │
│                                                       │
│ › explain the retry logic                             │
│                                                       │
│ ⠹ Thinking… (3.2s)                                    │
│ ⏺ Read(worker.py)                                     │
│   └ ok                                                 │
│ The retry path lives in _run_turn …                   │
│                                                       │
│ lucid-knuth ·opus· opus·full   ↑128k (94% cached) ↓1k │
│ ───────────────────────────────────────────────────── │
│ › ask something…                                      │
└───────────────────────────────────────────────────────┘

Install

pip install aegis-harness        # or: uv pip install aegis-harness

Requires Python 3.13+ and at least one of: claude, gemini, or opencode on your PATH, signed-in.

Quickstart

aegis init     # interactive wizard — detects installed CLIs, writes .aegis.py
aegis          # full-screen TUI

The wizard finds whichever agent CLIs you have installed and walks you through picking a model, permission mode, and optional queues. The generated .aegis.py is plain Python — edit it freely afterwards.

What you get

• Multi-provider parity — Claude Code, Gemini, and OpenCode all speak through aegis with the same UX (multi-turn, streaming, cancellation, per-session MCP injection). Gemini and OpenCode use ACP; Claude uses its stream-json bidirectional protocol.
• Multi-tab TUI — N independent agent sessions in one terminal. Per-tab profiles, generated alliterating handles (lucid-knuth, wry-hopper), per-block copy-to-clipboard, an inline spinner + rotating verb + timer while an agent works, cross-tab signalling (state dot + sticky * + bell when a backgrounded agent finishes).
• Honest metrics — true input (incl. cache) with cached %, output, tool calls, per-turn and per-session timing. Provisional while streaming, exact at turn end.
• Queues + workflows — first-class inter-agent delegation. Configure queues in .aegis.py; any agent can call aegis_enqueue(queue, payload) and get an automatic inbox callback when the worker finishes. Write Python workflows that orchestrate multiple agents (delegate / send / drain / spawn / close / bash) and run them via aegis workflow run.
• MCP plane — every spawned agent gets injected with an aegis MCP server that exposes orientation (aegis_meta), session listing (aegis_list_sessions, aegis_list_agents), peer handoff (aegis_handoff), and queue dispatch (aegis_enqueue, aegis_task_status). No log scraping anywhere in the stack.
• Headless + Telegram — aegis serve runs the SessionManager and MCP plane without a TUI, with an optional Telegram front-end so you can drive agents from your phone.

Keys

Key	Action
Enter	Send
Ctrl+T / Ctrl+N	New tab (default agent) / new tab (pick agent)
Ctrl+W	Close tab (last → quit)
Ctrl+1..9 / Ctrl+Tab / Ctrl+←→	Switch tabs
Escape	Interrupt the active turn
Click on a block	Copy that message / tool result to clipboard
Ctrl+Q	Quit

A backgrounded tab that finishes shows a * and rings the bell.

Configuration

.aegis.py is plain Python. The wizard writes one for you; here's the shape:

from aegis import Agent, ClaudeCode, GeminiCLI, OpenCode

agents = {
    "default": Agent(provider=ClaudeCode(model="opus", effort="high",
                                          permission="auto")),
    "fast":    Agent(provider=GeminiCLI(model="gemini-3-flash-preview",
                                         permission="full")),
    "oss":     Agent(provider=OpenCode(model="opencode/kimi-k2.6",
                                        permission="full")),
}
default_agent = "default"

queues = {
    "review": {"agent": "fast", "max_parallel": 2},
}

Full reference: Configuration.

Headless + Telegram

aegis serve runs the SessionManager and MCP plane without the TUI; add a Telegram token to drive it from your phone:

# .aegis.py
telegram_token = "…"        # or set AEGIS_TELEGRAM_TOKEN
telegram_chat_id = 123456   # the single allowed chat

Routing inside the chat:

• /new [agent] — spawn a new session
• /close [handle] — close a session
• /interrupt — interrupt the active turn
• /<handle> text… — one-shot to a specific session
• bare text — sent to the active session

A systemd unit template lives at scripts/aegis-serve.service.

Docs

Full documentation: https://apiad.github.io/aegis/

• Install
• Usage
• Configuration
• Drivers — Claude / Gemini / OpenCode
• Queues — inter-agent delegation
• Workflows — Python orchestration
• MCP plane — the tool surface
• Architecture
• API reference

Status

Beta. Personal-infrastructure-grade, evolves fast. Expect change before 1.0. See the roadmap for what's next.

License

MIT — see LICENSE.