Slack is answering right now. Last checked moments ago. Last commit 10 Sep 2025.
Send messages, access channels, and manage files in your Slack workspace.
No commits for 12 months.
We read the source, 18 h ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
execSync(`start "" "${wayStationPath}"`, { shell: 'cmd.exe' });
return fileName ? path.join(basePath, fileName) : basePath;
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.
claude mcp add slack --transport http https://waystation.ai/slack/mcp
{
"mcpServers": {
"slack": {
"url": "https://waystation.ai/slack/mcp"
}
}
}
[mcp_servers.slack]
url = "https://waystation.ai/slack/mcp"
{
"mcpServers": {
"slack": {
"url": "https://waystation.ai/slack/mcp"
}
}
}
{
"mcpServers": {
"slack": {
"url": "https://waystation.ai/slack/mcp"
}
}
}
This endpoint answered with an authorization challenge. The server is running, but you need an API key from its owner to call it.
This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://waystation.ai/slack/mcp | streamable-http | needs key | 67 ms | 0 min ago |
| https://waystation.ai/slack/mcp/sse | sse | needs key | 84 ms | 0 min ago |
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Answers built from our own checks of this server.