Slack MCP Server
Slack MCP server with shared Socket Mode / Web API connection via @fre4x/event-relay.
context tax
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security
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cold start
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freshness
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Install Slack MCP server
Install in Claude Code
claude mcp add fre4x-slack -- npx -y @fre4x/slackInstall in Cursor
{
"mcpServers": {
"fre4x-slack": {
"command": "npx",
"args": [
"-y",
"@fre4x/slack"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"fre4x-slack": {
"command": "npx",
"args": [
"-y",
"@fre4x/slack"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"fre4x-slack": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@fre4x/slack"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"fre4x-slack": {
"command": "npx",
"args": [
"-y",
"@fre4x/slack"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Not enough public signals yet to judge maintenance.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
no data · official registry
FAQ
›How do I install the Slack MCP server in Claude Code?
Run: claude mcp add fre4x-slack -- npx -y @fre4x/slack. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Slack require an API key?
No required environment variables are declared in its published metadata.
›Can I use Slack as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Slack in the official MCP registry?
No. It was indexed from npm.
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