{
  "slug": "io-github-mindstone-mcp-server-slack",
  "name": "io.github.mindstone/mcp-server-slack",
  "title": "Slack",
  "description": "Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages",
  "version": "0.3.0",
  "publishedAt": "2026-08-06T05:48:01.613794Z",
  "updatedAt": "2026-08-06T05:48:01.613794Z",
  "repoUrl": "https://github.com/mindstone/mcp-servers",
  "websiteUrl": null,
  "namespace": {
    "type": "github",
    "owner": "mindstone"
  },
  "kind": "local",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@mindstone/mcp-server-slack",
      "version": "0.3.0",
      "transport": "stdio",
      "runtimeHint": "npx"
    }
  ],
  "remotes": [],
  "envVars": [
    {
      "name": "SLACK_CONFIG_PATH",
      "isSecret": false,
      "isRequired": true,
      "description": "Path to the host-managed Slack config directory"
    },
    {
      "name": "SLACK_TEAM_ID",
      "isSecret": false,
      "isRequired": true,
      "description": "Slack workspace team ID (one process per workspace)"
    },
    {
      "name": "SLACK_CLIENT_ID",
      "isSecret": false,
      "isRequired": false,
      "description": "Slack OAuth Connected App client ID. Only required to refresh a rotating token; saved non-rotating tokens authorize the Slack API without it."
    },
    {
      "name": "SLACK_CLIENT_SECRET",
      "isSecret": true,
      "isRequired": false,
      "description": "Slack OAuth Connected App client secret. Only required to refresh a rotating token; saved non-rotating tokens authorize the Slack API without it."
    },
    {
      "name": "SLACK_DISABLE_REFRESH",
      "isSecret": false,
      "isRequired": false,
      "description": "Set to 1 to disable token refresh on this surface (cloud surface)"
    },
    {
      "name": "SLACK_REQUEST_TIMEOUT_MS",
      "isSecret": false,
      "isRequired": false,
      "description": "Override the upstream timeout (max 300000ms = 5 min)"
    },
    {
      "name": "SLACK_MAX_RETRIES",
      "isSecret": false,
      "isRequired": false,
      "description": "WebClient retries on transient failures (0-20). Lower this on cloud to avoid stacking long retry budgets into multi-minute hangs."
    },
    {
      "name": "MCP_WORKSPACE_PATH",
      "isSecret": false,
      "isRequired": false,
      "description": "Workspace directory upload_slack_file reads are constrained to (defaults to the system temp dir when unset)"
    }
  ],
  "category": "communication",
  "subcategory": "chat",
  "company": "",
  "categoryAuto": true,
  "checks": [
    {
      "id": "source-linked",
      "label": "Source repository linked",
      "result": "pass",
      "detail": "https://github.com/mindstone/mcp-servers"
    },
    {
      "id": "version-pinned",
      "label": "Version pinned",
      "result": "pass",
      "detail": "Every package has an explicit version"
    },
    {
      "id": "secrets-requested",
      "label": "Secrets requested",
      "result": "info",
      "detail": "Asks for 1 secret: SLACK_CLIENT_SECRET"
    },
    {
      "id": "known-registry",
      "label": "Known package registry",
      "result": "pass",
      "detail": "All packages come from npm, PyPI, OCI, NuGet or MCPB"
    },
    {
      "id": "namespace",
      "label": "Namespace ownership",
      "result": "info",
      "detail": "Name verified via GitHub account mindstone"
    },
    {
      "id": "meta-text",
      "label": "Registry text aimed at the AI",
      "result": "pass",
      "detail": "Description and settings contain no hidden characters or instructions to the AI"
    },
    {
      "id": "install-scripts",
      "label": "Install scripts",
      "result": "warn",
      "detail": "Runs at install: prepare: npm run compile"
    },
    {
      "id": "code-flags",
      "label": "Code red flags",
      "result": "pass",
      "detail": "Read 44 files in @mindstone/mcp-server-slack@0.3.0: no obfuscation, encoded execution, credential reads or data-collection endpoints found"
    },
    {
      "id": "ai-text",
      "label": "Text aimed at the AI",
      "result": "pass",
      "detail": "No hidden characters or instructions to the AI in 44 files, including comments and the README"
    }
  ],
  "scannedAt": "2026-10-29",
  "level": "Scanned",
  "install": [
    {
      "label": "Claude Desktop (npm)",
      "kind": "claude_desktop_json",
      "text": "{\n  \"mcpServers\": {\n    \"mcp-server-slack\": {\n      \"command\": \"npx\",\n      \"args\": [\n        \"-y\",\n        \"@mindstone/mcp-server-slack@0.3.0\"\n      ],\n      \"env\": {\n        \"SLACK_CONFIG_PATH\": \"<your value>\",\n        \"SLACK_TEAM_ID\": \"<your value>\"\n      }\n    }\n  }\n}"
    }
  ],
  "curated": true,
  "stars": 13,
  "archived": false,
  "pushedAt": "2026-10-28T13:40:28Z",
  "health": {
    "score": 54,
    "parts": {
      "popularity": 0.3788465029328417,
      "activity": 0.6,
      "issues": null,
      "security": 0.8
    },
    "fail": 0,
    "warn": 1,
    "raw": {
      "stars": 14,
      "forks": 4,
      "downloads": 368,
      "hn": null,
      "issuesOpen": 1,
      "issuesClosed": 5,
      "prsMerged": 56,
      "commits90": 0,
      "release": null,
      "pushed": "2026-10-28T13:40:28Z",
      "growth": null,
      "growthDays": null,
      "archived": false
    },
    "at": "2026-10-31T07:35:52.424Z"
  }
}