Slack MCP
A multi-workspace Slack MCP server for Claude Code supporting xoxc/xoxp/xoxb authentication. It features draft-and-confirm safety for writes, vault auto-export of channel data, prompt-injection scrubbing, and an audit log. It provides 18 tools for reading channels, searching messages, and sending messages across multiple workspaces.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- List and search Slack channels and users
- Read channel history and threads
- Send messages with draft and confirm workflow
- Auto-export channel data to a vault
Source and maintenance
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
https://github.com/adelaidasofia/slack-mcp/releases/download/v0.1.1/slack-mcp.mcpb 0.1.1
{
"version": "0.1.1",
"transport": "stdio",
"fileSha256": "60e7eb6a643d6eb1d1e6fae7518eaa88dc0ef9f4614eb9977c36c7f1d1feab41",
"identifier": "https://github.com/adelaidasofia/slack-mcp/releases/download/v0.1.1/slack-mcp.mcpb",
"registryType": "mcpb",
"environmentVariables": [
{
"name": "SLACK_XOXC_TOKEN",
"isRequired": true,
"description": "Extracted via browser dev tools (or xoxb for bot auth)"
}
]
}Tools
Reported by the attributed source; not independently observed by Koskamo.
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