{
  "slug": "io-github-marcomoauro-substack-mcp",
  "name": "io.github.marcomoauro/substack-mcp",
  "title": "Substack MCP Server",
  "description": "Manage Substack publishing, subscribers, analytics, reader feeds, comments, and images through MCP.",
  "version": "1.3.2",
  "publishedAt": "2026-09-03T13:55:39.782649Z",
  "updatedAt": "2026-09-03T13:55:39.782649Z",
  "repoUrl": "https://github.com/marcomoauro/substack-mcp",
  "websiteUrl": "https://implementing.substack.com/p/mcp-server-for-substack",
  "namespace": {
    "type": "github",
    "owner": "marcomoauro"
  },
  "kind": "local",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "substack-mcp",
      "version": "1.3.2",
      "transport": "stdio",
      "runtimeHint": "npx"
    },
    {
      "registryType": "oci",
      "identifier": "docker.io/marcomoauro/substack-mcp:v1.3.2",
      "version": null,
      "transport": "stdio",
      "runtimeHint": null
    }
  ],
  "remotes": [],
  "envVars": [
    {
      "name": "SUBSTACK_PUBLICATION_URL",
      "isSecret": false,
      "isRequired": true,
      "description": "Full URL of your Substack publication, including https://"
    },
    {
      "name": "SUBSTACK_SESSION_TOKEN",
      "isSecret": true,
      "isRequired": true,
      "description": "Value of the substack.sid or connect.sid cookie from your authenticated Substack session"
    },
    {
      "name": "SUBSTACK_USER_ID",
      "isSecret": false,
      "isRequired": true,
      "description": "Numeric user ID returned by Substack's publication_user request"
    }
  ],
  "category": "monitoring",
  "subcategory": "more",
  "company": "",
  "categoryAuto": true,
  "checks": [
    {
      "id": "source-linked",
      "label": "Source repository linked",
      "result": "pass",
      "detail": "https://github.com/marcomoauro/substack-mcp"
    },
    {
      "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: SUBSTACK_SESSION_TOKEN"
    },
    {
      "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 marcomoauro"
    },
    {
      "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": "pass",
      "detail": "substack-mcp@1.3.2 runs nothing at install"
    },
    {
      "id": "code-flags",
      "label": "Code red flags",
      "result": "pass",
      "detail": "Read 40 files in substack-mcp@1.3.2: 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 40 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    \"substack-mcp\": {\n      \"command\": \"npx\",\n      \"args\": [\n        \"-y\",\n        \"substack-mcp@1.3.2\"\n      ],\n      \"env\": {\n        \"SUBSTACK_PUBLICATION_URL\": \"<your value>\",\n        \"SUBSTACK_SESSION_TOKEN\": \"<your value>\",\n        \"SUBSTACK_USER_ID\": \"<your value>\"\n      }\n    }\n  }\n}"
    },
    {
      "label": "Claude Desktop (oci)",
      "kind": "claude_desktop_json",
      "text": "{\n  \"mcpServers\": {\n    \"substack-mcp\": {\n      \"command\": \"docker\",\n      \"args\": [\n        \"run\",\n        \"-i\",\n        \"--rm\",\n        \"-e\",\n        \"SUBSTACK_PUBLICATION_URL\",\n        \"-e\",\n        \"SUBSTACK_SESSION_TOKEN\",\n        \"-e\",\n        \"SUBSTACK_USER_ID\",\n        \"docker.io/marcomoauro/substack-mcp:v1.3.2\"\n      ],\n      \"env\": {\n        \"SUBSTACK_PUBLICATION_URL\": \"<your value>\",\n        \"SUBSTACK_SESSION_TOKEN\": \"<your value>\",\n        \"SUBSTACK_USER_ID\": \"<your value>\"\n      }\n    }\n  }\n}"
    }
  ],
  "curated": true,
  "stars": 92,
  "archived": false,
  "pushedAt": "2026-09-03T13:54:32Z",
  "health": {
    "score": 67,
    "parts": {
      "popularity": 0.4531708680735394,
      "activity": 0.852537958885686,
      "issues": null,
      "security": 1
    },
    "fail": 0,
    "warn": 0,
    "raw": {
      "stars": 92,
      "forks": 18,
      "downloads": 238,
      "hn": {
        "n": 0,
        "pts": 0,
        "t": []
      },
      "issuesOpen": 0,
      "issuesClosed": 5,
      "prsMerged": 21,
      "commits90": 45,
      "release": "2026-09-03T14:01:23Z",
      "pushed": "2026-09-03T13:54:32Z",
      "growth": null,
      "growthDays": null,
      "archived": false
    },
    "at": "2026-10-31T07:42:38.200Z"
  }
}