# Open Core Ventures (slim)

> Open Core Ventures's investments in AI tools on Anchor Terminal, Mermaid Chart and Sprag, with each listing's grade and the founders behind it.

- Full: https://www.anchorterminal.com/investors/open-core-ventures/index.md (~500 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/investors/open-core-ventures/index.json · canonical https://www.anchorterminal.com/investors/open-core-ventures/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Venture firm.

Website: https://opencoreventures.com

## Companies on Anchor Terminal

- **Mermaid Chart**, Seed
  - [Mermaid Chart MCP](https://www.anchorterminal.com/tools/mermaid-chart.md), graded F, 31.6/100
  - Source: https://opencoreventures.com/blog/mermaid-chart-from-open-source-project-to-raising-a-7-5m-seed-round
- **Sprag**
  - [SPEV](https://www.anchorterminal.com/tools/sprag-spev.md), graded D, 51.4/100
  - Source: https://sprag.ai/about

## Where they invest

- Diagramming, 1
- Decision models, 1

## Founders they backed

- [Knut Sveidqvist](https://www.anchorterminal.com/people/knut-sveidqvist/), Mermaid Chart
- [Ian Eaves](https://www.anchorterminal.com/people/ian-eaves/), Sprag

## Questions

### Which AI tools has Open Core Ventures invested in?

Anchor Terminal lists Mermaid Chart and Sprag backed by Open Core Ventures.

### How are Open Core Ventures's companies graded?

On Anchor Terminal's benchmark, Mermaid Chart MCP (F, 31.6) and SPEV (D, 51.4).

Investors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source.