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Slack Stdio MCP
Verified · npm:slack-stdio-mcpMCP server by epdlr · updated · ★ 0 · 508 downloads a week
Agent-agnostic MCP stdio bridge to https://mcp.slack.com/mcp (user OAuth, PKCE, token refresh, tool proxy, local file download overlay) Slack Stdio MCP is published by npm:slack-stdio-mcp from its verified domain in the official MCP Registry.
Last commit 27 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 Stdio MCP
Built from the published package, never by AIclaude mcp add slack-stdio-mcp -- npx -y slack-stdio-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"slack-stdio-mcp": {
"command": "npx",
"args": [
"-y",
"slack-stdio-mcp"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"slack-stdio-mcp": {
"command": "npx",
"args": [
"-y",
"slack-stdio-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"slack-stdio-mcp": {
"command": "npx",
"args": [
"-y",
"slack-stdio-mcp"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add slack-stdio-mcp -- npx -y slack-stdio-mcp{
"mcpServers": {
"slack-stdio-mcp": {
"command": "npx",
"args": [
"-y",
"slack-stdio-mcp"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add slack-stdio-mcp npx -y slack-stdio-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-stdio-mcp block.
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Slack Stdio MCP: common questions
How do I install Slack Stdio MCP?
In Claude Code run claude mcp add slack-stdio-mcp -- npx -y slack-stdio-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Slack Stdio MCP the official server?
Slack Stdio MCP is published by npm:slack-stdio-mcp from its verified domain in the official MCP Registry.
Is Slack Stdio MCP free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is Slack Stdio MCP safe to use?
It scores 79 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 Stdio MCP?
Similar MCP servers: Agents MCP, Agentmesh MCP Proxy, MCP Remote, OpenWork MCP Gateway.
Does Slack Stdio MCP 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.