Max Messenger vs Slack MCP Server
A side-by-side look at the Max Messenger and Slack MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Max Messenger for communication work as a local process; choose Slack MCP Server for communication as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Max Messenger when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- You want tools like
get_messages, send_message, edit_message.
Choose Slack MCP Server when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: other.
- You want tools like
slack_token_status, slack_health_check, slack_refresh_tokens.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 52/100 · Good | 68/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | other |
| Pricing | Not declared | Freemium |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 11 | 32 |
| Directory activity | 0 views 0 installs 0 upvotes | 8 views 0 installs 0 upvotes |
| Tools | 20 | 19 |
| Full listing | View Max Messenger | View Slack MCP Server |
Tools & capabilities
Max Messenger tools 20
get_messagesRead messages from a chat (by chat_id or message_ids)send_messageSend a message with text, HTML/Markdown, inline keyboard, media attachmentsedit_messageEdit message text and attachmentsdelete_messageDelete a messagepin_messagePin a message in a chatunpin_messageUnpin the currently pinned messagesend_mediaUpload and send photo, video, audio, or file by URLsend_actionShow typing indicator, "sending photo/video/audio/file", mark as readget_bot_infoBot info: name, ID, username, descriptionget_chatsList all group chats the bot participates inget_chatFull chat details: participants, pinned message, owneredit_chatRename chat, change description or icon- +8 more on the listing page
Slack MCP Server tools 19
slack_token_statusCheck token health, age, auto-refresh status, and cache statsslack_health_checkCheck if Slack tokens are valid and show authentication statusslack_refresh_tokensForce refresh tokens by extracting from Chrome (requires Slack tab open in Chrome)slack_list_conversationsList all DMs and channels with user names resolved. Uses cached DMs by default for speed.slack_conversations_historyGet messages from a channel or DM with user names resolvedslack_get_full_conversationExport FULL conversation history with all messages, threads, and user names. Can save to file.slack_search_messagesSearch messages across the Slack workspaceslack_users_infoGet detailed information about a Slack userslack_send_messageSend a message to a channel or DMslack_get_threadGet all replies in a message threadslack_list_usersList all users in the workspaceslack_add_reactionAdd an emoji reaction to a message- +7 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.
Max Messenger
{
"mcpServers": {
"max-messenger": {
"command": "npx",
"args": [
"-y",
"@woyax/mcp-max-messenger"
]
}
}
}
Slack MCP Server
{
"mcpServers": {
"jtalk22-slack-mcp-server": {
"command": "npx",
"args": [
"-y",
"@jtalk22/slack-mcp"
]
}
}
}
Frequently asked questions
Max Messenger is categorized under Communication and uses a local stdio subprocess. Slack MCP Server belongs to Communication and uses a local stdio subprocess. Pick Max Messenger for communication work and Slack MCP Server for communication.
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.
Max Messenger has no declared pricing — check the project's own site. Slack MCP Server is listed as freemium — a free tier with paid plans. Auth: other. 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 max-messenger and jtalk22-slack-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Max Messenger has a quality signal of 52/100 (Good) with 0 views, 0 installs and 11 GitHub stars. Slack MCP Server has 68/100 (Great) with 8 views, 0 installs and 32 GitHub stars.