Emailmd vs Slack MCP Server
A side-by-side look at the Emailmd 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 Emailmd 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 Emailmd when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
Choose Slack MCP Server when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
SLACK_USER_TOKEN, SLACK_BOT_TOKEN, SLACK_WORKSPACE_URL. - You want tools like
channel_id, lookback_hours, limit.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 64/100 · Good | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | SLACK_USER_TOKENSLACK_BOT_TOKENSLACK_WORKSPACE_URL |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1,383 | 1 |
| Directory activity | 3 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | Not listed | 9 |
| Full listing | View Emailmd | View Slack MCP Server |
Tools & capabilities
Emailmd tools
No tool names declared yet. Check the project README from the listing page.
Slack MCP Server tools 9
channel_idSlack channel ID (e.g., `C1234567890`)lookback_hoursHours to look back from nowlimitMax messages to retrieve (max: 1000)thread_tsThread timestamp (the `ts` field of the parent message)user_idSlack user ID (e.g., `U1234567`)typesComma-separated channel typesquerySearch termscountNumber of results (max: 100)message_tsMessage timestamp
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.
Emailmd
{
"mcpServers": {
"anypost-emailmd": {
"command": "npx",
"args": [
"-y",
"emailmd"
]
}
}
}
Slack MCP Server
{
"mcpServers": {
"slack-mcp-server": {
"command": "uvx",
"args": [
"slack-mcp-server-v2"
],
"env": {
"SLACK_USER_TOKEN": "YOUR_SLACK_USER_TOKEN_HERE",
"SLACK_BOT_TOKEN": "YOUR_SLACK_BOT_TOKEN_HERE",
"SLACK_WORKSPACE_URL": "YOUR_SLACK_WORKSPACE_URL_HERE"
}
}
}
}
Frequently asked questions
Emailmd is categorized under Communication and uses a local stdio subprocess. Slack MCP Server belongs to Communication and uses a local stdio subprocess. Pick Emailmd 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.
Emailmd is listed as free. Auth: no auth required. Slack MCP Server has no declared pricing — check the project's own site. 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 anypost-emailmd and slack-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Emailmd has a quality signal of 64/100 (Good) with 3 views, 0 installs and 1,383 GitHub stars. Slack MCP Server has 49/100 (Fair) with 4 views, 0 installs and 1 GitHub stars.