MCP server for Slack using session tokens — no OAuth, no bot, no admin approval. Stealth reads leave unread state alone.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add slack-aaronsb -- npx -y @aaronsb/slack-mcp~/.codex/config.toml
[mcp_servers.slack-aaronsb]
command = "npx"
args = ["-y", "@aaronsb/slack-mcp"]
# codex mcp add slack-aaronsb -- npx -y @aaronsb/slack-mcp~/.cursor/mcp.json
{
"mcpServers": {
"slack-aaronsb": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"slack-aaronsb": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"slack-aaronsb": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"slack-aaronsb": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"slack-aaronsb": {
"command": "npx",
"args": [
"-y",
"@aaronsb/slack-mcp"
]
}
}
}