Source: https://seerepo.com/compare/ampproject/amphtml/vs/paperclipai/paperclip
Markdown source: https://seerepo.com/compare/ampproject/amphtml/vs/paperclipai/paperclip.md
Description: amphtml and paperclip share 4 technologies: Express, dompurify, Ajv, and ajv-formats. amphtml is written in JavaScript and paperclip in TypeScript.

# amphtml vs paperclip

amphtml and paperclip share 4 technologies: Express, dompurify, Ajv, and ajv-formats. amphtml is written in JavaScript and paperclip in TypeScript.

- [ampproject/amphtml](https://seerepo.com/r/ampproject/amphtml): The AMP web component framework.
- [paperclipai/paperclip](https://seerepo.com/r/paperclipai/paperclip): The open-source app everyone uses to manage agents at work

## What they share and what sets them apart

- In common: Express, dompurify, Ajv, ajv-formats
- Only in amphtml: GitHub, Preact, react-jss, PostCSS, Autoprefixer, css-what, cssnano, JSS, postcss-import, react-day-picker, @use-gesture/react, posthtml, markdown-toc, morgan
- Only in paperclip: Postgres, MCP, Google, React, AWS S3, Tokio, Vite, OpenAI, Anthropic, Sentry, Svix, react-router-dom, yaml, Zod, @opentelemetry/resources, @clack/prompts, Drizzle, hmac, react-markdown, remark-gfm, jsonschema, @daytonaio/sdk, three, Better Auth, ai, @ai-sdk/amazon-bedrock, sharp, opentelemetry, pino, Tailwind CSS, class-variance-authority, tailwind-merge, Radix UI, motion, dnd-kit, lexical, @lezer/highlight, Base UI, cmdk, CodeMirror, Mermaid, react-resizable-panels, xterm, Lucide, @assistant-ui/react

## Side by side

| | amphtml | paperclip |
|---|---|---|
| Size | 703,086 lines written, 1,692 code files | 3,133,031 lines written, 5,090 code files |
| Who writes it | 0% of its commits signed by AI. With Claude Code and GitHub Copilot | 17% of its commits signed by AI. With Claude Code, Codex, Cursor, and GitHub Copilot |
| Activity | Last push October 20, 2026, 21,366 commits, 14,905 stars | Last push November 4, 2026, 5,942 commits, 111,002 stars |
| Tests | 2,103 test files. 47.1% of its code files have a test that imports them | 4,571 test files. 60.3% 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, amphtml or paperclip?

paperclip, with 3,133,031 lines written; amphtml has 703,086.

The proof: [paperclipai/paperclip's code at commit 0eaabe5](https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

### Which has more GitHub stars, amphtml or paperclip?

paperclip, with 111,002 stars; amphtml has 14,905.

The proof: [paperclipai/paperclip on GitHub](https://github.com/paperclipai/paperclip)

### Which has more tests, amphtml or paperclip?

paperclip, with 4,571 test files; amphtml has 2,103.

The proof: [paperclipai/paperclip's code at commit 0eaabe5](https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

### Which was updated more recently, amphtml or paperclip?

paperclip: its last push was on November 4, 2026, and amphtml's on October 20, 2026.

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

### Which has more commits signed by AI, amphtml or paperclip?

paperclip: an AI signed 17% of its commits, with Claude Code, Codex, Cursor, and GitHub Copilot.

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

## Sources

- ampproject/amphtml: Read on November 8, 2026, at commit 3961d2e (https://github.com/ampproject/amphtml/tree/3961d2e011e1ce875554d3fd091870f21474d58e)
- paperclipai/paperclip: Read on November 4, 2026, at commit 0eaabe5 (https://github.com/paperclipai/paperclip/tree/0eaabe5c0b37c99d827f78a1a8598e7b3534078a)

## 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.