The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Trinity
Self-hosted AI Agents Platform supporting Claude Code, Codex, Gemini agents. Apache 2.0.
Install
/plugin marketplace add abilityai/abilitiesInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Quick start · See it · Demo · Docs · Community · Website · Free workshops
[!NOTE] 📦 Just released: v0.9.5 (September 17, 2026). Workspace is where the work happens now:
- chats per topic
- a conversation rail
- live execution cards
- agents that ask you questions
- a canvas for every agent
- real-time voice mode
Also new:
- prebuilt images and a guided DigitalOcean install
- first-run setup in the browser
- subscription usage and headroom you can see
- opt-in instance telemetry
- credentials encrypted at rest
What's new overview → · Full release notes → · Previous: v0.9.0 release review video →
🎬 Trinity v0.9.0 — release review — a live walkthrough of everything new in v0.9.0, from the "How to Build a Second Brain for Your AI Agents" workshop.
The Sovereign AI Agents Platform
Trinity is a sovereign AI agents platform — build and run proprietary systems, from fully (or semi-) autonomous businesses to self-improving cognitive systems, all governed, auditable, and on infrastructure you control.
Claude Code writes the agent. Trinity runs it in production.
Each agent runs in its own isolated Docker container with real-time observability, fleet-wide scheduling, agent-to-agent delegation, and a tamper-evident audit trail. Self-host it, or run it on any cloud you control.
Open source · Apache 2.0 — free for any use, commercial included, and deploys anywhere you run it · Independently pentested — UnderDefense Grade A · We run Trinity in production ourselves — and so do our customers.
🤖 AI agent reading this repo? Start at AGENTS.md — a task router with exact commands, key facts, and verification steps. Detailed docs index: docs/user-docs/README.md.
[!IMPORTANT] PostgreSQL is the recommended database for production. SQLite stays the zero-config default for local development and evaluation, but production instances should run on PostgreSQL — opt in with a single
DATABASE_URL(setup guide, #300). Already on SQLite? Migrate with the Trinity Ops Agent's/migrate-to-postgresskill — a gated, validate-then-cutover flow that leaves your SQLite file untouched for instant rollback.
Why Trinity?
The problem: Everyone wants autonomous AI agents. But your options are terrible — SaaS platforms where data leaves your security perimeter, custom builds that take 6-12 months, or frameworks that don't handle governance and audit trails.
The solution: Trinity is autonomous agent orchestration infrastructure. Each agent runs in its own isolated Docker container. You get real-time observability, fleet-wide health monitoring, cron-based scheduling, agent-to-agent delegation, and cost tracking — all on your own hardware.
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