# Slack User MCP Server

> Use this tool when you need to interact with Slack workspaces as a user, enabling seamless communication and collaboration within teams. It solves problems related to automated messaging, notification, and data exchange between systems and Slack channels. This tool accepts input from various sources, including git, and outputs user-level interactions within designated Slack workspaces.

Canonical page: https://skillsregistry.net/skills/lars-hagen-slack-user-mcp  
JSON: https://api.skillsregistry.net/v1/skills/lars-hagen-slack-user-mcp

## Description

Enable interaction with Slack workspaces as a user.

## Trust

- **Trust score (0–1):** 0.93
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** communication
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/lars-hagen/slack-user-mcp)
- **Repository:** <https://github.com/lars-hagen/slack-user-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "lars-hagen-slack-user-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lars-hagen-slack-user-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lars-hagen-slack-user-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt