# Open Core Ventures

> 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.

- Canonical: https://www.anchorterminal.com/investors/open-core-ventures/
- Markdown: https://www.anchorterminal.com/investors/open-core-ventures/index.md (~500 tokens)
- Slim: https://www.anchorterminal.com/investors/open-core-ventures/index.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/investors/open-core-ventures/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

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. An investor isn't a sign of quality, and nobody can pay to be listed or to change a grade. To correct something or have a page removed, write to privacy@anchorterminal.com.

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