Slack

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.aaronsb/slack-mcp",
  "description": "Read and write Slack with session tokens — no OAuth, no bot, no admin approval.",
  "title": "Slack",
  "repository": {
    "url": "https://github.com/aaronsb/slack-mcp",
    "source": "github",
    "id": "1193166388"
  },
  "version": "2.8.0",
  "websiteUrl": "https://github.com/aaronsb/slack-mcp#readme",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@aaronsb/slack-mcp",
      "version": "2.8.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Slack session token. Optional — the auth tool extracts it from your browser and stores it in the config file.",
          "name": "SLACK_MCP_XOXC_TOKEN"
        },
        {
          "description": "Slack session cookie. Optional — the auth tool extracts it from your browser and stores it in the config file.",
          "name": "SLACK_MCP_XOXD_TOKEN"
        }
      ]
    }
  ]
}