Chatpack MCP vs Mcp4mail
A side-by-side look at the Chatpack MCP and Mcp4mail MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
C
Chatpack MCPDeveloper Tools · Local subprocess (stdio)Read-only MCP server for Chatpack documentation, framework setup guides, and React UI block source. Runs locally over stdio with npx -y @chatpack/mcp. Node.js 20 or later; MIT license; no account or API key required.86ExcellentAuth: no auth requiredM
Mcp4mailDeveloper ToolsYour IMAP mailbox as an MCP server: read, search and (if you allow it) organize mail. Open source.48FairAuth: oauth 2.0Verdict: choose Chatpack MCP for developer tools work as a local process; choose Mcp4mail for developer tools. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
CChoose Chatpack MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
search_docs, get_document, get_integration_guide.
MChoose Mcp4mail when
- You need dedicated capabilities in the Developer Tools domain.
- Its auth model fits you: OAuth 2.0.
- You have the keys it needs:
HITCH_RESOURCE_URI, ACTIVE_RECORD_ENCRYPTION_PRIMARY_KEY, ACTIVE_RECORD_ENCRYPTION_DETERMINISTIC_KEY, ACTIVE_RECORD_ENCRYPTION_KEY_DERIVATION_SALT. - You want tools like
list_mail_accounts, get_mail_account, list_folders.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | C Chatpack MCP | M Mcp4mail |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 86/100 · Excellent | 48/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | No auth required | OAuth 2.0 |
| Pricing | Free | Free |
| Required env vars | None listed | HITCH_RESOURCE_URIACTIVE_RECORD_ENCRYPTION_PRIMARY_KEYACTIVE_RECORD_ENCRYPTION_DETERMINISTIC_KEYACTIVE_RECORD_ENCRYPTION_KEY_DERIVATION_SALT |
| Verified owner | Verified | Community listing |
| GitHub stars | 224 | 0 |
| Directory activity | 2 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 5 | 14 |
| Full listing | View Chatpack MCP | View Mcp4mail |
Tools & capabilities
Chatpack MCP tools 5
search_docsSearch bundled Chatpack documentation and the authoritative llms reference. Returns document ids, links and matching excerpts with package versions.get_documentRead a complete bundled Chatpack document by id. Use llms for the authoritative integration contract or concepts/errors for troubleshooting.get_integration_guideRetrieve the repository's framework setup guide with authentication guidance and the authoritative llms reference. Examples match the bundled package versions.list_ui_blocksList public runtime exports of @chatpack/ui, including components, providers and utilities. Returns names accepted by get_ui_block.get_ui_blockRetrieve a public @chatpack/ui export's source module and usage guide. Optionally include supporting UI modules and stylesheet. Files are reference source, not a standalone copy-and-paste component.
Mcp4mail tools 14
list_mail_accountsLists the mail accounts you connected, with the ids the other tools take.get_mail_accountShows the connection details of one account (never its password).list_foldersLists the folders of one account.search_messagesSearches by subject, sender, recipients, attachment names and date.get_messageReads one message.get_attachmentDownloads an attachment of a message: a short-lived link, or with `inline: true` the file itself (up to 5 MB) inside the MCP answer.search_contactsFinds addresses you have corresponded with.get_outgoing_statusTells whether an email handed to `send_message` has gone out.set_flagsFlags a message or marks it read / unread. *Write.*move_messageMoves a message to another folder. *Write.*trash_messageMoves a message to Trash. *Write.*create_folderCreates a folder. *Write.*- +2 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Chatpack MCP
{
"mcpServers": {
"chatpack-mcp": {
"command": "npx",
"args": [
"-y",
"@chatpack/mcp"
]
}
}
}
Mcp4mail
No confirmed install command for Mcp4mail yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Chatpack MCP is categorized under Developer Tools and uses a local stdio subprocess. Mcp4mail belongs to Developer Tools and uses an install path we have not confirmed yet. Pick Chatpack MCP for developer tools work and Mcp4mail for developer tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Mcp4mail has no confirmed install command yet — follow its own setup instructions.
Chatpack MCP is listed as free. Auth: no auth required. Mcp4mail is listed as free. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add chatpack-mcp and mcp4mail as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Chatpack MCP has a quality signal of 86/100 (Excellent) with 2 views, 0 installs and 224 GitHub stars. Mcp4mail has 48/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.