A Model Context Protocol (MCP) server for posting messages to Slack via webhooks or bot tokens.
slack-notify-mcp is an MCP project maintained in the silasreinagel/slack-notify-mcp repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server for posting messages to Slack via webhooks or bot tokens”. Read the project documentation for the complete scope.
The project provides a local client configuration using bun. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| post_slack_message |
{
"mcpServers": {
"slack-webhook": {
"command": "bun",
"args": [
"run",
"src/index.ts",
"--webhook-url",
"https://hooks.slack.com/services/YOUR/SLACK/WEBHOOK",
"--channel",
"#general"
],
"cwd": "/path/to/slack-webhook-mcp-server"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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