Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add slack-mindstone --env SLACK_CONFIG_PATH='<SLACK_CONFIG_PATH>' --env SLACK_TEAM_ID='<SLACK_TEAM_ID>' --env SLACK_CLIENT_SECRET='<SLACK_CLIENT_SECRET>' -- npx -y @mindstone/mcp-server-slack~/.codex/config.toml
[mcp_servers.slack-mindstone]
command = "npx"
args = ["-y", "@mindstone/mcp-server-slack"]
env = { SLACK_CONFIG_PATH = "<SLACK_CONFIG_PATH>", SLACK_TEAM_ID = "<SLACK_TEAM_ID>", SLACK_CLIENT_SECRET = "<SLACK_CLIENT_SECRET>" }
# codex mcp add slack-mindstone --env SLACK_CONFIG_PATH='<SLACK_CONFIG_PATH>' --env SLACK_TEAM_ID='<SLACK_TEAM_ID>' --env SLACK_CLIENT_SECRET='<SLACK_CLIENT_SECRET>' -- npx -y @mindstone/mcp-server-slack~/.cursor/mcp.json
{
"mcpServers": {
"slack-mindstone": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-slack"
],
"env": {
"SLACK_CONFIG_PATH": "<SLACK_CONFIG_PATH>",
"SLACK_TEAM_ID": "<SLACK_TEAM_ID>",
"SLACK_CLIENT_SECRET": "<SLACK_CLIENT_SECRET>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"slack-mindstone": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-slack"
],
"env": {
"SLACK_CONFIG_PATH": "<SLACK_CONFIG_PATH>",
"SLACK_TEAM_ID": "<SLACK_TEAM_ID>",
"SLACK_CLIENT_SECRET": "<SLACK_CLIENT_SECRET>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"slack-mindstone": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-slack"
],
"env": {
"SLACK_CONFIG_PATH": "<SLACK_CONFIG_PATH>",
"SLACK_TEAM_ID": "<SLACK_TEAM_ID>",
"SLACK_CLIENT_SECRET": "<SLACK_CLIENT_SECRET>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"slack-mindstone": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-slack"
],
"env": {
"SLACK_CONFIG_PATH": "<SLACK_CONFIG_PATH>",
"SLACK_TEAM_ID": "<SLACK_TEAM_ID>",
"SLACK_CLIENT_SECRET": "<SLACK_CLIENT_SECRET>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"slack-mindstone": {
"command": "npx",
"args": [
"-y",
"@mindstone/mcp-server-slack"
],
"env": {
"SLACK_CONFIG_PATH": "<SLACK_CONFIG_PATH>",
"SLACK_TEAM_ID": "<SLACK_TEAM_ID>",
"SLACK_CLIENT_SECRET": "<SLACK_CLIENT_SECRET>"
}
}
}
}Environment variables
SLACK_CONFIG_PATHSLACK_TEAM_IDSLACK_CLIENT_SECRET
Replace the placeholders with your own credentials and keep them out of version control.