trinity-agent
Three minds, one context — Multi-agent AI orchestrator for Claude Code, Codex, and Antigravity CLI.
Decision gist · record as of 2026-08-14
Yes, with conditions. Install if you have at least one of Claude Code, Codex, or Antigravity CLI already set up and want to experiment with multi-agent deliberation for code design and review. The low install friction and active maintenance make it worth trying. However, alpha status means workflows and APIs may change; use it for exploration and prototyping rather than critical production pipelines. If you only have one provider CLI, you'll get single-agent interaction rather than true multi-agent consensus, which reduces the value proposition.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires at least one of Claude Code CLI (claude), Codex CLI (codex), or Antigravity CLI (agy) to be installed and authenticated in the same shell environment; Trinity alone cannot invoke agents without them.
- Low friction install via pipx or pip with six lightweight runtime dependencies.
- Active maintenance (last commit 2026-08-03, release 17 days old), though early alpha status (Development Status :: 3 - Alpha) means the API and workflow may still shift.
License · maintenance · safety
MIT (permissive) — MIT license is permissive—you can use, modify, and distribute Trinity freely in commercial or private projects with minimal restrictions, provided you include the license notice.
last release 2026-07-28 (17 days) · last repo commit 2026-08-03 · 18 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 182,550 downloads/mo, #10,096 on PyPI
Alternatives
Verify before relying
pipx install trinity-agent
trinity init
trinity ask "design an authentication system"
# Or start the interactive TUI:
trinity- Whether provider CLI session resumption across Trinity restarts actually works as described in the workflow documentation.
- Performance characteristics when running deliberation with all three agents versus a subset.
- Stability of the Textual TUI on different terminal emulators and operating systems.
- Whether the central synthesis step reliably detects when a question is blocking versus when a blueprint is ready.
What it is and what it does
Trinity is a multi-agent AI orchestrator that coordinates Claude, Codex, and Antigravity CLI into a single collaborative system. Instead of delegating all work to one AI, Trinity runs structured round-based deliberation where each agent contributes its perspective, reaches consensus on a plan, then distributes tasks according to each agent's specialty—Claude as architect, Codex as implementer, Antigravity as reviewer. The system maintains a shared context file, detects blocking questions that need user input, and automates peer review of generated code before final delivery.
It runs as a CLI tool with an optional interactive Textual-based workbench. You initialize a project with `trinity init`, then either ask one-off questions via `trinity ask` or launch the full TUI with `trinity`. The workflow persists state in `.trinity/` so you can pause, ask follow-up questions, and resume. All three provider CLIs are optional—you can start with just one—but having all three unlocks the full multi-agent deliberation and review flow.
Use it for
- Design a system architecture with multiple AI perspectives before implementation, catching blind spots a single model might miss.
- Generate and review code in one workflow: Claude designs, Codex implements, Antigravity validates—all in one session.
- Iteratively refine a feature by asking follow-up questions mid-deliberation without losing context or restarting the agents.
- Automate code review by having non-owner agents peer-review each work package before you accept the changes.
- Manage complex multi-step projects where different agents' strengths (design, coding, edge-case analysis) are needed in sequence.
- Prototype faster by running deliberation once to get consensus, then executing the agreed plan without manual task assignment.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, with conditions.
Install if you have at least one of Claude Code, Codex, or Antigravity CLI already set up and want to experiment with multi-agent deliberation for code design and review. The low install friction and active maintenance make it worth trying. However, alpha status means workflows and APIs may change; use it for exploration and prototyping rather than critical production pipelines. If you only have one provider CLI, you'll get single-agent interaction rather than true multi-agent consensus, which reduces the value proposition.
Install
trinity-agent on PyPI
Before you install
Low friction install via pipx or pip with six lightweight runtime dependencies. Active maintenance (last commit 2026-08-03, release 17 days old), though early alpha status (Development Status :: 3 - Alpha) means the API and workflow may still shift.
Requires at least one of Claude Code CLI (claude), Codex CLI (codex), or Antigravity CLI (agy) to be installed and authenticated in the same shell environment; Trinity alone cannot invoke agents without them.
License in practice
MIT license is permissive—you can use, modify, and distribute Trinity freely in commercial or private projects with minimal restrictions, provided you include the license notice.
Quickstart
pipx install trinity-agent
trinity init
trinity ask "design an authentication system"
# Or start the interactive TUI:
trinityVerify before relying
- Whether provider CLI session resumption across Trinity restarts actually works as described in the workflow documentation.
- Performance characteristics when running deliberation with all three agents versus a subset.
- Stability of the Textual TUI on different terminal emulators and operating systems.
- Whether the central synthesis step reliably detects when a question is blocking versus when a blueprint is ready.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release <3.14,>=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 6 packagesclickprompt-toolkitrichtextualtomli-wtomli |
| Maintenance | Actively maintained 17 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 182,550 / month, #10,096 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 3 - AlphaIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Topic :: Scientific/Engineering :: Artificial IntelligenceTopic :: Software Development :: Libraries :: Python Modules |
Evidence: trinity_agent-1.0.1163-py3-none-any.whl
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See also code-puppy · google-agents-cli · opencode-agent-hub · ouroboros-ai · autokeren · bernstein · omnigent · google-antigravity · claude-tap · openai-codex-cli-bin