# Pi Agent

> Wiki for Pi (earendil-works/pi) — an AI agent toolkit: the pi-ai unified LLM API, pi-agent-core harness, the pi coding-agent CLI/TUI, sessions, extensions & pi packages, skills, providers/models, SDK/RPC integration, and security.
> Covers: Pi agent toolkit: pi-ai (unified multi-provider LLM API + streaming events), pi-agent-core (harness, turns, events, hooks, durable runs), the pi coding-agent (interactive/print/RPC/SDK modes, TUI), quickstart/usage, models & providers (incl. custom/OpenAI-compatible), sessions (fork/clone/tree/share), extensions & pi packages, skills, compaction & context, runtime environments/containerization, and the local trust/security model.
> Not covered: Exact SDK/RPC API signatures and full settings schema (read the source docs), the separate pi-chat repo, and changes after the date below — verify against the repo.
> Current as of: 2026-06-19

- [LLM Wiki](/raw/pi-agent/README.md)
- [Knowledge Base Index](/raw/pi-agent/wiki/index.md)
- [Agent Core & the Harness](/raw/pi-agent/wiki/concepts/agent-core-and-harness.md)
- [Events, Hooks & Observability](/raw/pi-agent/wiki/concepts/agent-events-and-hooks.md)
- [The Coding Agent](/raw/pi-agent/wiki/concepts/coding-agent-overview.md)
- [Extensions & Pi Packages](/raw/pi-agent/wiki/concepts/extensions-and-packages.md)
- [Models & Providers](/raw/pi-agent/wiki/concepts/models-and-providers.md)
- [pi-ai: Unified LLM API](/raw/pi-agent/wiki/concepts/pi-ai-unified-llm-api.md)
- [Quickstart & Usage](/raw/pi-agent/wiki/concepts/quickstart-and-usage.md)
- [Runtime Environments & Containerization](/raw/pi-agent/wiki/concepts/runtime-environments.md)
- [Security & Project Trust](/raw/pi-agent/wiki/concepts/security.md)
- [Sessions](/raw/pi-agent/wiki/concepts/sessions.md)
- [Skills](/raw/pi-agent/wiki/concepts/skills.md)
- [TUI, Themes & Customization](/raw/pi-agent/wiki/concepts/tui-and-customization.md)
- [What is Pi](/raw/pi-agent/wiki/concepts/what-is-pi.md)
- [The pi CLI](/raw/pi-agent/wiki/entities/pi-cli.md)
- [Activity Log](/raw/pi-agent/wiki/log.md)
- [Docs Catalog](/raw/pi-agent/wiki/summaries/docs-catalog.md)
- [Compaction & Context Management](/raw/pi-agent/wiki/syntheses/compaction-and-context.md)
- [Integration Modes: Interactive, Print, RPC, SDK](/raw/pi-agent/wiki/syntheses/integration-modes.md)