Source: https://seerepo.com/compare/foambubble/foam/vs/moeru-ai/airi
Markdown source: https://seerepo.com/compare/foambubble/foam/vs/moeru-ai/airi.md
Description: foam and airi share 6 technologies: MCP, Zod, yaml, remark-parse, unified, and unist-util-visit. Both are written in TypeScript.

# foam vs airi

foam and airi share 6 technologies: MCP, Zod, yaml, remark-parse, unified, and unist-util-visit. Both are written in TypeScript.

- [foambubble/foam](https://seerepo.com/r/foambubble/foam): A personal knowledge management and sharing system for VSCode
- [moeru-ai/airi](https://seerepo.com/r/moeru-ai/airi): 💖🧸 Self hosted, you-owned Grok Companion, a container of souls of waifu, cyber livings to bring them into our worlds, wishing to achieve Neuro-sama's altitude. Capable of realtime voice chat, Minecraft, Factorio playing. Web / macOS / Windows supported.

## What they share and what sets them apart

- In common: MCP, Zod, yaml, remark-parse, unified, unist-util-visit
- Only in foam: Anthropic, Lit, gray-matter, remark-frontmatter, D3, d3-force, d3-scale, force-graph
- Only in airi: Vite, Vue, vue-router, @capacitor/core, Electron, Replicate, H3, @electron-toolkit/preload, @electric-sql/pglite, grammy, srvx, unstorage, localforage, RevenueCat, Hono, @aws-sdk/s3-request-presigner, @opentelemetry/instrumentation-ioredis, Postgres, Redis, Stripe, Resend, UnoCSS, valibot, appcompat, coordinatorlayout, core-splashscreen, @formkit/auto-animate, @vueuse/motion, nprogress, splitpanes, Hugging Face, mediabunny, Reka UI, Anime.js, uqr, file-type, three, web-haptics, Better Auth, wavefile, Drizzle, opentelemetry, rehype-parse, rehype-stringify, remark-cjk-friendly, remark-math, xast-util-to-xml, xastscript, @pixiv/three-vrm, MediaPipe, katex, dompurify, pixiv, postprocessing, virtua, dockview-vue, embla-carousel-vue, vue-json-pretty, @iconify-json/tabler, Iconify, @openuidev/lang-core, kokoro-js, @shikijs/rehype, html2canvas, rehype-katex, remark, shiki, jose, @hono/node-server

## Side by side

| | foam | airi |
|---|---|---|
| Size | 98,809 lines written, 298 code files | 613,101 lines written, 3,166 code files |
| Who writes it | 5.1% of its commits signed by AI. With Claude Code and GitHub Copilot | 3% of its commits signed by AI. With Claude Code, Gemini CLI, Cursor, Codex, Jules, and GitHub Copilot |
| Activity | Last push November 6, 2026, 1,715 commits, 17,473 stars | Last push November 5, 2026, 5,029 commits, 51,136 stars |
| Tests | 217 test files. 63.1% of its code files have a test that imports them | 980 test files. 35.2% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, foam or airi?

airi, with 613,101 lines written; foam has 98,809.

The proof: [moeru-ai/airi's code at commit 11b8989](https://github.com/moeru-ai/airi/tree/11b8989f6dd7f840cf6b15ce59e367656fb11ac6)

### Which has more GitHub stars, foam or airi?

airi, with 51,136 stars; foam has 17,473.

The proof: [moeru-ai/airi on GitHub](https://github.com/moeru-ai/airi)

### Which has more tests, foam or airi?

airi, with 980 test files; foam has 217.

The proof: [moeru-ai/airi's code at commit 11b8989](https://github.com/moeru-ai/airi/tree/11b8989f6dd7f840cf6b15ce59e367656fb11ac6)

### Which was updated more recently, foam or airi?

foam: its last push was on November 6, 2026, and airi's on November 5, 2026.

The proof: [foambubble/foam's commits on GitHub](https://github.com/foambubble/foam/commits)

### Which has more commits signed by AI, foam or airi?

foam: an AI signed 5.1% of its commits, with Claude Code and GitHub Copilot; in airi, 3%.

The proof: [the commits each tool signed in foambubble/foam](https://seerepo.com/r/foambubble/foam/ai)

## Sources

- foambubble/foam: Read on November 6, 2026, at commit b0bafb0 (https://github.com/foambubble/foam/tree/b0bafb04389e2dd1c7b4cde83d0b3ce5c4fc0328)
- moeru-ai/airi: Read on November 5, 2026, at commit 11b8989 (https://github.com/moeru-ai/airi/tree/11b8989f6dd7f840cf6b15ce59e367656fb11ac6)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.