{
  "id": "slack",
  "name": "Slack",
  "description": "Read channels, post messages, and search workspace history from your agent.",
  "categories": [
    "Communication",
    "Operations"
  ],
  "appUrl": "https://slack.com",
  "docsUrl": "https://github.com/zencoderai/slack-mcp-server",
  "notes": "The OAuth option uses Slack's official hosted MCP server (confidential OAuth user-token auth); the local option runs the open-source zencoderai stdio server with a bot token.",
  "popularityRank": 95,
  "connectionOptions": [
    {
      "id": "oauth",
      "provider": "mcp",
      "connectionModel": {
        "principalType": "user",
        "credentialScope": "resource",
        "resourceType": "workspace",
        "resourceCardinality": "one",
        "selectionMode": "automatic",
        "identityMapping": {
          "source": "oauth_token_response",
          "externalPrincipalIdPath": "authed_user.id",
          "externalTenantIdPath": "enterprise.id",
          "externalResourceIdPath": "team.id",
          "resourceNamePath": "team.name"
        }
      },
      "auth": {
        "strategy": "oauth2",
        "oauth": {
          "authorizationUrl": "https://slack.com/oauth/v2_user/authorize",
          "tokenUrl": "https://slack.com/api/oauth.v2.user.access",
          "scopes": [
            "search:read.public",
            "search:read.private",
            "search:read.mpim",
            "search:read.im",
            "search:read.files",
            "search:read.users",
            "chat:write",
            "channels:history",
            "groups:history",
            "mpim:history",
            "im:history",
            "canvases:read",
            "canvases:write",
            "users:read",
            "users:read.email"
          ],
          "pkce": true,
          "clientAuthentication": "body"
        }
      },
      "transport": {
        "kind": "shttp",
        "url": "https://mcp.slack.com/mcp"
      }
    },
    {
      "id": "api",
      "provider": "mcp",
      "transport": {
        "kind": "stdio",
        "serverName": "slack",
        "command": "npx",
        "args": [
          "-y",
          "@zencoderai/slack-mcp-server"
        ],
        "envFields": [
          {
            "key": "SLACK_TEAM_ID",
            "label": "Team / Workspace ID",
            "type": "text",
            "placeholder": "T01234567",
            "helperText": "First get your [Slack URL](https://slack.com/help/articles/221769328-Locate-your-Slack-URL-or-ID#find-your-url). Then use that to get your [Workspace ID](https://slack.com/help/articles/221769328-Locate-your-Slack-URL-or-ID#find-your-workspace-or-org-id).",
            "required": true
          },
          {
            "key": "SLACK_BOT_TOKEN",
            "label": "Bot token",
            "type": "password",
            "placeholder": "xoxb-...",
            "required": true,
            "helperText": "You'll need to create or have access to a [Slack App](https://github.com/zencoderai/slack-mcp-server#slack-bot-setup) to get a Bot token."
          }
        ]
      },
      "auth": {
        "strategy": "api_key"
      }
    }
  ],
  "iconBg": "#4A154B",
  "logoUrl": "https://cdn.jsdelivr.net/gh/OpenHands/extensions/integrations/icons/slack.svg",
  "keywords": [
    "chat",
    "messaging",
    "team"
  ],
  "installHint": "Create a Slack app with bot token scopes channels:history, channels:read, chat:write, reactions:write, users:read, and users.profile:read, then paste its bot token below."
}