Pi Harness

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The Operational Superset of Pi Coding Agent

Everything Pi. More visibility, control, recovery, and orchestration.

Native Pi, supercharged.

Pi Coding Agent ⊂ Pi-Harness

Download Pi-Harness · Create a Custom Skin · Pi Agent Harness · Screenshots

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Why Pi-Harness?

Pi-Harness is an operational superset of Pi Coding Agent.

It keeps Native Pi as the execution runtime and preserves Pi-compatible sessions, tools, models, Skills, extensions, context, and compaction, while adding a complete Harness engineering layer around it.

Pi-Harness adds:

• Observe — Runs, Trace, Replay, Diagnostics, Evaluation, Regression, and Artifacts
• Control — Policy, Budget, Checkpoints, Recovery, Permissions, and tool control
• Orchestrate — Agents, Teams, Tasks, Dependencies, Handoffs, Review Gates, and Worktrees
• Work — Workspace, Files, Git, Models, Providers, Skills, and Packages

Pi runs the agent. Pi-Harness turns Pi into a visible, controllable, recoverable, and orchestratable engineering system.

Pi-Harness does not replace or reimplement Pi's Agent Runtime.

What "Superset" Means

Native Pi remains inside the real execution path.

Pi Coding Agent
├── Agent Runtime
├── Sessions
├── Context
├── Tools
├── Models
├── Thinking
├── Compaction
├── Skills
└── Extensions

              ⊂

Pi-Harness
├── Everything above through Native Pi
├── Runs / Trace / Replay
├── Policy / Budget
├── Checkpoints / Recovery
├── Evaluation / Diagnostics
├── Regression / Artifacts
├── Multi-Agent Orchestration
├── Tasks / DAG / Handoffs
├── Review Gates / Worktrees
└── Visual Engineering Workspace

Core Capabilities