Ship faster
with fewer tokens.

$ curl -fsSL https://pi.henry.wang/install.sh | sh

One script to install Pi, Herdr, Henry Pi Harness…

~75% fewer total tokens.

INPUT + OUTPUT + CACHE · Implemented pi-pr v1.0.0 from the same plan.

Browse all extensions ↗

Start with a workflow

Autonomous delivery

Turn independent implementation units into an isolated, validation- and review-gated delivery flow.

Parallel investigation

Branch the active conversation into a side pane or worktree, then bring the result back safely.

Land the change

Open or create the current-branch PR, keep CI and review threads visible, then clean up the Herdr worktree when it’s done.

Token efficient orchestration

Build modular, flexible workflows with simple, composable primitives.

Roles

Scout

Implementer

Reviewer

Modes

Extensions

Find the Pi extensions that fit the way you work.

Read the full doc ↗

@henryqw/pi-add-dir

Add external directories to a Pi session with context, skills, and file search.

@henryqw/pi-ask-question

Ask Pi users one interactive question with choices or a custom answer.

@henryqw/pi-auto-compact

Proactively compact Pi context at a configurable threshold and resume the current task.

@henryqw/pi-auto-dag

Run durable dependent Pi tasks serially in one Git workspace.

@henryqw/pi-deps

Prepare Node and uv dependencies when opted-in Git worktrees are created.

@henryqw/pi-footer

Show concise repository, branch, and usage details in the Pi footer.

@henryqw/pi-herdr-btw

Open and merge tool-enabled Pi side threads in Herdr panes.

@henryqw/pi-herdr-clone

Clone the current Pi conversation path into a new Herdr tab.

@henryqw/pi-herdr-done

Close and remove the current Herdr worktree from Pi.

@henryqw/pi-herdr-rename

Generate short Pi display titles and rename the current Herdr location.

@henryqw/pi-memory

Auto-managed markdown memory for Pi: capped MEMORY.md/USER.md entry stores with frozen session snapshots.

@henryqw/pi-multi-codex

Use multiple ChatGPT Codex OAuth accounts in Pi.

@henryqw/pi-notes

Persistent notes in a Pi widget, managed with /note commands.

@henryqw/pi-open-in

Open the current Pi working directory with a configurable command.

@henryqw/pi-pr

Run /pr to safely discover or link the current pull request, then create, update, address feedback, fix CI, or merge when ready.

@henryqw/pi-prompt-creator

Turn current Pi conversation signals into user-approved prompt templates.

@henryqw/pi-session-recall

Local FTS5 search over past Pi sessions plus a skill for turning recurring work into deterministic automation.

@henryqw/pi-subagent

Delegate bounded single, parallel, or chained tasks to isolated Pi roles.

@henryqw/pi-task-models

Shared task model profiles and routing for HenryQW Pi extensions.

@henryqw/pi-undo

Rewind Pi conversation context to the latest user prompt.

Ship fasterwith fewer tokens.