{
  "slug": "io-github-sethbang-proton-mail-mcp",
  "name": "io.github.sethbang/proton-mail-mcp",
  "title": "Proton Mail (unofficial)",
  "description": "Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP",
  "version": "1.0.2",
  "publishedAt": "2026-05-30T13:42:09.382637Z",
  "updatedAt": "2026-05-30T13:42:09.382637Z",
  "repoUrl": "https://github.com/sethbang/proton-mail-mcp",
  "websiteUrl": "https://sethbang.github.io/proton-mail-mcp/",
  "namespace": {
    "type": "github",
    "owner": "sethbang"
  },
  "kind": "local",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "proton-mail-mcp",
      "version": "1.0.2",
      "transport": "stdio",
      "runtimeHint": "npx"
    }
  ],
  "remotes": [],
  "envVars": [
    {
      "name": "PROTONMAIL_USERNAME",
      "isSecret": false,
      "isRequired": true,
      "description": "Your Proton Mail email address"
    },
    {
      "name": "PROTONMAIL_PASSWORD",
      "isSecret": true,
      "isRequired": true,
      "description": "Your Proton Mail SMTP password (not your login password; generate one in Proton settings)"
    },
    {
      "name": "PROTONMAIL_HOST",
      "isSecret": false,
      "isRequired": false,
      "description": "SMTP host"
    },
    {
      "name": "PROTONMAIL_PORT",
      "isSecret": false,
      "isRequired": false,
      "description": "SMTP port"
    },
    {
      "name": "PROTONMAIL_SECURE",
      "isSecret": false,
      "isRequired": false,
      "description": "Use TLS for SMTP (true for port 465)"
    },
    {
      "name": "IMAP_HOST",
      "isSecret": false,
      "isRequired": false,
      "description": "Proton Mail Bridge IMAP host (required for read/search tools)"
    },
    {
      "name": "IMAP_PORT",
      "isSecret": false,
      "isRequired": false,
      "description": "Proton Mail Bridge IMAP port"
    },
    {
      "name": "IMAP_SECURE",
      "isSecret": false,
      "isRequired": false,
      "description": "Use TLS for IMAP"
    },
    {
      "name": "IMAP_USERNAME",
      "isSecret": false,
      "isRequired": false,
      "description": "Proton Mail Bridge username (falls back to PROTONMAIL_USERNAME)"
    },
    {
      "name": "IMAP_PASSWORD",
      "isSecret": true,
      "isRequired": false,
      "description": "Proton Mail Bridge password (falls back to PROTONMAIL_PASSWORD)"
    },
    {
      "name": "READONLY",
      "isSecret": false,
      "isRequired": false,
      "description": "Disable all mutating tools (send, move, delete, flags, labels, bulk ops, folder/label management)"
    },
    {
      "name": "RESTRICT_OUTBOUND_TO_SELF",
      "isSecret": false,
      "isRequired": false,
      "description": "Refuse live sends to any recipient other than PROTONMAIL_USERNAME (for throwaway/QA accounts)"
    },
    {
      "name": "ALLOW_FILE_DOWNLOAD_DIR",
      "isSecret": false,
      "isRequired": false,
      "description": "Allowlist directory enabling download_attachment.saveTo; when unset, attachments return as inline base64"
    },
    {
      "name": "ALLOW_EMPTY_FOLDER",
      "isSecret": false,
      "isRequired": false,
      "description": "Register the empty_folder tool (not recommended)"
    },
    {
      "name": "DEBUG",
      "isSecret": false,
      "isRequired": false,
      "description": "Enable verbose logging to stderr"
    }
  ],
  "category": "communication",
  "subcategory": "email",
  "company": "",
  "categoryAuto": true,
  "checks": [
    {
      "id": "source-linked",
      "label": "Source repository linked",
      "result": "pass",
      "detail": "https://github.com/sethbang/proton-mail-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 2 secrets: PROTONMAIL_PASSWORD, IMAP_PASSWORD"
    },
    {
      "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 sethbang"
    },
    {
      "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": "proton-mail-mcp@1.0.2 runs nothing at install"
    },
    {
      "id": "code-flags",
      "label": "Code red flags",
      "result": "pass",
      "detail": "Read 7 files in proton-mail-mcp@1.0.2: 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 7 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    \"proton-mail-mcp\": {\n      \"command\": \"npx\",\n      \"args\": [\n        \"-y\",\n        \"proton-mail-mcp@1.0.2\"\n      ],\n      \"env\": {\n        \"PROTONMAIL_USERNAME\": \"<your value>\",\n        \"PROTONMAIL_PASSWORD\": \"<your value>\"\n      }\n    }\n  }\n}"
    }
  ],
  "curated": true,
  "stars": 7,
  "archived": false,
  "pushedAt": "2026-10-22T16:54:48Z",
  "health": {
    "score": 60,
    "parts": {
      "popularity": 0.2924317341079446,
      "activity": 0.8240482358810677,
      "issues": null,
      "security": 1
    },
    "fail": 0,
    "warn": 0,
    "raw": {
      "stars": 8,
      "forks": 1,
      "downloads": 83,
      "hn": null,
      "issuesOpen": 0,
      "issuesClosed": 0,
      "prsMerged": 29,
      "commits90": 9,
      "release": "2026-05-30T13:36:49Z",
      "pushed": "2026-10-22T16:54:48Z",
      "growth": null,
      "growthDays": null,
      "archived": false
    },
    "at": "2026-10-31T07:42:38.200Z"
  }
}
