Slack
- 10 repo stars
- Updated July 25, 2026
- mindstone/mcp-servers
Connects an AI agent to Slack for channels, messages, threads, reactions, users, files, and scheduled messages, so an agent can operate team comms.
About
This Mindstone MCP server connects an AI assistant to Slack, covering channels, messages, threads, reactions, users, files, and scheduled messages. A solo builder reaches for it when they want an agent to read discussions, post updates, or schedule messages in their workspace without switching to Slack.
- Slack MCP
- Channels, messages, threads, reactions
- Files and scheduled messages
- Per-workspace process
Slack by the numbers
- Data as of Jul 26, 2026 (Skillselion catalog sync)
claude mcp add --env SLACK_CONFIG_PATH=YOUR_SLACK_CONFIG_PATH --env SLACK_TEAM_ID=YOUR_SLACK_TEAM_ID --env SLACK_CLIENT_ID=YOUR_SLACK_CLIENT_ID --env SLACK_CLIENT_SECRET=YOUR_SLACK_CLIENT_SECRET --env SLACK_DISABLE_REFRESH=YOUR_SLACK_DISABLE_REFRESH --env SLACK_REQUEST_TIMEOUT_MS=YOUR_SLACK_REQUEST_TIMEOUT_MS --env SLACK_MAX_RETRIES=YOUR_SLACK_MAX_RETRIES mcp-server-slack -- npx -y @mindstone/mcp-server-slackAdd your badge
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| repo stars | ★ 10 |
|---|---|
| Package | @mindstone/mcp-server-slack |
| Transport | STDIO |
| Auth | Required |
| Last updated | July 25, 2026 |
| Repository | mindstone/mcp-servers ↗ |
What it does
Connects an AI agent to Slack for channels, messages, threads, reactions, users, files, and scheduled messages, so an agent can operate team comms.
Who is it for?
agents that read and post in a Slack workspace
Skip if: non-Slack chat platforms
What you get
An agent reads channels and threads and posts or schedules messages in Slack.
- posted messages
- thread reads
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A full-featured Slack MCP covering files and scheduled messages, not just posting.
FAQ
Does it support scheduled messages?
Yes, plus channels, threads, reactions, users, and files.
How is it scoped?
One process per Slack workspace via team ID.