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pi-llm-wiki

Open source

pi-llm-wiki is an extension for the pi coding agent that builds a self-maintaining, Obsidian-compatible wiki from raw sources using the Open Knowledge Format.

zosmaai.github.io
pi-llm-wiki homepage screenshot
GitHub stars
599
Last commit
yesterday
Repository age
5 months
Version
v0.12.5
Licence
MIT
Self-hosted
Yes

About pi-llm-wiki

pi-llm-wiki, published by Zosma AI, is a self-maintaining, Obsidian-compatible knowledge base for the pi coding agent that follows Andrej Karpathy's LLM Wiki pattern. It turns raw sources such as URLs, PDFs, Markdown, JSON and XML into a durable, interlinked wiki that an LLM maintains and that grows more useful over time.

It has native support for Open Knowledge Format (OKF) version 0.2, aimed at portable knowledge rather than closed app-specific exports. It creates OKF documents with canonical frontmatter, standard Markdown links and stable source citations, reads both legacy and OKF pages so existing vaults keep working, and generates deterministic indexes and logs from authoritative pages. The same knowledge model is available from pi or the oh-my-pi host through slash commands, and from MCP clients such as Claude Code, Codex, Cursor, Windsurf, Zed and Cline through a packaged stdio server.

You can start with a new OKF vault or point it at an existing Obsidian vault and adopt the format gradually. The package is written in TypeScript and licensed under MIT, and the README is available in many languages.

Key features

  • LLM-maintained interlinked wiki
  • Ingests URLs, PDFs, Markdown, JSON and XML
  • Open Knowledge Format v0.2 support
  • Obsidian-compatible vaults
  • MCP stdio server for many clients
  • Slash commands in pi and oh-my-pi

Good fit for

  • →Building a personal knowledge base with an AI agent
  • →Portable AI memory across tools
Built with
TypeScript
Tags
llm-wiki
knowledge-base
obsidian
mcp
markdown
ai-memory
okf
typescript

pi-llm-wiki: questions and answers

What is pi-llm-wiki used for?
pi-llm-wiki is an extension for the pi coding agent that builds a self-maintaining, Obsidian-compatible wiki from raw sources using the Open Knowledge Format. It is a good fit for building a personal knowledge base with an AI agent and portable AI memory across tools.
Is pi-llm-wiki open source?
Yes. pi-llm-wiki is open source under the MIT licence. Its source code is on GitHub at zosmaai/pi-llm-wiki and is written mainly in TypeScript.
Is pi-llm-wiki free?
Yes. pi-llm-wiki is open source, so the software itself is free to use.
What are some alternatives to pi-llm-wiki?
Similar open-source tools in the AI Tools category include Obsidian MCP Server, Obsidian Second Brain and LLM Wiki. SaaS products in the same category include kapa.ai, Aera Browser and Agent One.
Is pi-llm-wiki actively maintained?
Yes. The most recent commit to pi-llm-wiki was on 1 October 2026, and the latest release is v0.12.5, published on 1 October 2026. The project has 599 stars on GitHub.

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