# Jack Dorsey

> Jack Dorsey is co-founder of Block. goose on Anchor Terminal, with grades, an about and public profiles.

- Canonical: https://www.anchorterminal.com/people/jack-dorsey/
- Markdown: https://www.anchorterminal.com/people/jack-dorsey/index.md (~700 tokens)
- Slim: https://www.anchorterminal.com/people/jack-dorsey/index.min.md (~530 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/people/jack-dorsey/index.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Co-founder, Block.

Jack Dorsey co-founded Block, Inc., the financial technology company behind Square, Cash App, Afterpay, Bitkey and Tidal. He also co-founded Twitter, Inc.

## What Jack builds

- [goose](https://www.anchorterminal.com/tools/goose.md), graded BB, 74.3/100, in Agent harnesses. Open-source general-purpose agent written in Rust, with a desktop app, a CLI and an embeddable server. Co-founder, Block, researched 2026-10-28.

## Works with

- [Douwe Osinga](https://www.anchorterminal.com/people/douwe-osinga/), Goose OSS Lead
- [Jim McKelvey](https://www.anchorterminal.com/people/jim-mckelvey/), Co-founder, Block

## Questions

### Who is Jack Dorsey?

Jack Dorsey co-founded Block, Inc., the financial technology company behind Square, Cash App, Afterpay, Bitkey and Tidal. He also co-founded Twitter, Inc.

### What does Agentic AI Foundation (originally Block) make?

Anchor Terminal lists goose from Agentic AI Foundation (originally Block). Open-source general-purpose agent written in Rust, with a desktop app, a CLI and an embeddable server.

### How are Jack's tools graded?

goose is graded BB, 74.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.linkedin.com/in/douweosinga/
- https://goose-docs.ai/
- https://goose-docs.ai/blog/2026/04/07/goose-moves-to-aaif
- https://en.wikipedia.org/wiki/Block,_Inc.
- https://en.wikipedia.org/wiki/Jack_Dorsey
- https://en.wikipedia.org/wiki/Jim_McKelvey

Not the same person as [Jack Dorsey](https://www.anchorterminal.com/people/jack-dorsey-2/) (Block, Inc.), as far as the research can tell.

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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