Pi Extensions for the Pi Coding Agent

Personal Pi extension packages for the Pi coding agent. Each package is independently installable under the @ar-llm npm scope.

Extensions

Package	Description
@ar-llm/pi-custom-compaction	LLM-powered session compaction with configurable model and request params
@ar-llm/pi-skill-request-params	Per-skill, per-model, per-provider request parameter injection
@ar-llm/pi-handoff	Context handoff to new focused sessions via /handoff
@ar-llm/pi-notify	Terminal notifications when the agent is done and waiting for input
@ar-llm/pi-plan-mode	Read-only plan mode with step tracking and constrained tool execution

See each package's README for install instructions and details.

Local development

Try a package locally from the repo root:

pi -e ./extensions/pi-custom-compaction
pi -e ./extensions/pi-skill-request-params
pi -e ./extensions/pi-handoff
pi -e ./extensions/pi-notify
pi -e ./extensions/pi-plan-mode

For build commands, adding new extensions, and publishing instructions see AGENTS.md.

Repository structure

extensions/
├── pi-custom-compaction/    # LLM-powered session compaction
├── pi-handoff/              # Context handoff to new sessions
├── pi-notify/               # Terminal notifications on agent idle
├── pi-plan-mode/            # Read-only plan-and-execute mode
└── pi-skill-request-params/ # Per-skill provider request params
pi/                          # Pi agent configuration files
prompts/                     # Custom prompt templates
skills/                      # Custom skills

Each extension package contains its own package.json, README.md, LICENSE, tsconfig.json, and TypeScript source under src/.

License

• pi-custom-compaction: The Unlicense — substantially rewritten from earendil-works/pi (see NOTICE)
• pi-skill-request-params: The Unlicense — original work, public domain
• pi-handoff, pi-notify, pi-plan-mode: MIT — derived from earendil-works/pi, copyright Mario Zechner