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Slack MCP without OAuth — 21 tools, session-based, local-first. Free OSS + hosted tier from $19/mo.
npx @getmcp/cli add io.github.jtalk22/slack-mcp-serverRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.jtalk22/slack-mcp-server": {
"command": "npx",
"args": [
"-y",
"@jtalk22/slack-mcp"
],
"env": {
"SLACK_TOKEN": "",
"SLACK_COOKIE": ""
}
}
}
}