# Eric Costello (slim)

> Eric Costello is co-founder of Slack Technologies. Slack MCP Server (official) on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/eric-costello/index.md (~600 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/people/eric-costello/index.json · canonical https://www.anchorterminal.com/people/eric-costello/
- 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)

Co-founder, Slack Technologies.

## What Eric builds

- [Slack MCP Server (official)](https://www.anchorterminal.com/tools/slack-mcp.md), graded C, 59.7/100, in Work & productivity. Slack's hosted MCP server for searching, reading and posting workspace content, with OAuth authentication. Co-founder, Slack Technologies, researched 2026-10-28.

## Works with

- [Cal Henderson](https://www.anchorterminal.com/people/cal-henderson/), Co-founder, Slack Technologies
- [Serguei Mourachov](https://www.anchorterminal.com/people/serguei-mourachov/), Co-founder, Slack Technologies
- [Stewart Butterfield](https://www.anchorterminal.com/people/stewart-butterfield/), Co-founder, Slack Technologies

## Questions

### Who is Eric Costello?

Eric Costello is co-founder of Slack Technologies.

### What does Slack (Salesforce) make?

Anchor Terminal lists Slack MCP Server (official) from Slack (Salesforce).

### How are Eric's tools graded?

Slack MCP Server (official) is graded C, 59.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://slack.com/intl/en-gb/
- https://slack.com/intl/en-gb/help
- https://en.wikipedia.org/wiki/Slack_Technologies

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.