---
title: "Pingdotgg T3 Code: Agent Harness Control Surface"
section: "raw"
type: "source"
created: "2026-08-23"
updated: "2026-08-23"
canonical: "https://pyweb.dev/wiki/raw/articles/pingdotgg-t3code-2026"
---
# Pingdotgg T3 Code: Agent Harness Control Surface

**Repository:** https://github.com/pingdotgg/t3code  
**Homepage:** https://t3.codes  
**Stars:** 20k | **License:** MIT (Fork-friendly)

## System Architecture
- **Multi-Platform Control Surface:** Acts as a unified remote control client (iOS/Android mobile, web app, Electron desktop) for coding agents running on local machines.
- **Underlying Engine Support:** Orchestrates and monitors existing installed agent tools, including Claude Code, Codex, Cursor CLI, Grok Build, and OpenCode.
- **Zero-Config Local Daemon:** Run via `npx t3@latest` to start a local HTTP/WebSocket agent control server and companion web UI.

---

## Agent Navigation

### Machine endpoints
- Knowledge graph: https://pyweb.dev/api/graph.json
- Graph analysis: https://pyweb.dev/api/graph-analysis.json
- Context index: https://pyweb.dev/llms.txt