AI Plugin Index
Slack
CommunityMCP server by aaronsb · updated · ★ 2 · 356 downloads a week
Read and write Slack with session tokens — no OAuth, no bot, no admin approval. Slack is a community project by aaronsb, not verified by a company domain.
Last commit 13 days ago
MIT: permissive, fine for commercial use
Clear description, published package or server URL, original repository
Not checked yet. What we check
Install Slack
Built from the published package, never by AIclaude mcp add slack -- npx -y @aaronsb/slack-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"slack": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"slack": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"slack": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add slack -- npx -y @aaronsb/slack-mcp{
"mcpServers": {
"slack": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add slack npx -y @aaronsb/slack-mcpGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the slack block.
Alternatives to Slack
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Slack: common questions
How do I install Slack?
In Claude Code run claude mcp add slack -- npx -y @aaronsb/slack-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Slack the official server?
Slack is a community project by aaronsb, not verified by a company domain.
Is Slack free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is Slack safe to use?
It scores 78 of 100. Grades: maintenance A, licence A, quality C. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Slack?
Similar MCP servers: OpenWork MCP Gateway, Agents MCP, MCP Remote, Agentmesh MCP Proxy.
Does Slack work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.