Pi

tool · updated Jun 10, 2026

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Pi is an open-source agent harness designed for use as a coding agent, adopted by OpenClaw as its out-of-the-box coding agent interface.

Usage

Pi serves as the default coding agent for OpenClaw. According to the Inside YC's AI Playbook talk, Pi is described as "this open-source harness called Pi, which is a... That's what Open Claw uses as its out-of-the-box coding agent" (Inside YC's AI Playbook, 39:47). Beyond this role as a foundational harness for coding agent workflows, no further technical detail or broader adoption context is documented in the available material.