Source: https://seerepo.com/compare/eclipse-theia/theia/vs/paperclipai/paperclip
Markdown source: https://seerepo.com/compare/eclipse-theia/theia/vs/paperclipai/paperclip.md
Description: theia and paperclip share 10 technologies: Anthropic, OpenAI, MCP, React, Express, Mermaid, Zod, dompurify, Ajv, and xterm. Both are written in TypeScript.

# theia vs paperclip

theia and paperclip share 10 technologies: Anthropic, OpenAI, MCP, React, Express, Mermaid, Zod, dompurify, Ajv, and xterm. Both are written in TypeScript.

- [eclipse-theia/theia](https://seerepo.com/r/eclipse-theia/theia): Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.
- [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: Anthropic, OpenAI, MCP, React, Express, Mermaid, Zod, dompurify, Ajv, xterm
- Only in theia: Electron, Hugging Face, electron-store, vhost, idb, mustache, @openai/codex-sdk, js-yaml, ollama, lumino, react-virtuoso, react-tooltip, @vscode/codicons, Font Awesome, keytar, markdown-it, markdown-it-anchor, markdown-it-emoji, prom-client, pdfobject, escape-html, react-textarea-autosize, xterm-addon-fit
- Only in paperclip: Postgres, Google, AWS S3, Tokio, Vite, Sentry, Svix, react-router-dom, yaml, @opentelemetry/resources, @clack/prompts, Drizzle, hmac, react-markdown, remark-gfm, jsonschema, @daytonaio/sdk, three, Better Auth, ai, @ai-sdk/amazon-bedrock, sharp, ajv-formats, opentelemetry, pino, Tailwind CSS, class-variance-authority, tailwind-merge, Radix UI, motion, dnd-kit, lexical, @lezer/highlight, Base UI, cmdk, CodeMirror, react-resizable-panels, Lucide, @assistant-ui/react

## Side by side

| | theia | paperclip |
|---|---|---|
| Size | 648,258 lines written, 2,891 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 November 5, 2026, 8,868 commits, 21,738 stars | Last push November 4, 2026, 5,942 commits, 111,002 stars |
| Tests | 773 test files. 29.2% 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, theia or paperclip?

paperclip, with 3,133,031 lines written; theia has 648,258.

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

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

paperclip, with 111,002 stars; theia has 21,738.

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

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

paperclip, with 4,571 test files; theia has 773.

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

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

theia: its last push was on November 5, 2026, and paperclip's on November 4, 2026.

The proof: [eclipse-theia/theia's commits on GitHub](https://github.com/eclipse-theia/theia/commits)

### Which has more commits signed by AI, theia 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

- eclipse-theia/theia: Read on November 5, 2026, at commit 30a5482 (https://github.com/eclipse-theia/theia/tree/30a5482386400715f42b541b4b142fd399ada7f3)
- 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.