# slack

> Use this tool when you need to integrate with Slack workspaces, enabling interactions such as sending messages, retrieving information, and automating tasks. It solves problems like team collaboration, notification automation, and workflow integration, providing a seamless interface between Claude and Slack. With inputs like API requests and outputs like message responses, use it to streamline communication and workflow management within Slack environments.

Canonical page: https://skillsregistry.net/skills/gustavonline-slack-mcp-server-private-channels  
JSON: https://api.skillsregistry.net/v1/skills/gustavonline-slack-mcp-server-private-channels

## Description

MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/r56i067doo)
- **Repository:** <https://github.com/gustavonline/slack-mcp-server-private-channels>

## 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": "gustavonline-slack-mcp-server-private-channels"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/gustavonline-slack-mcp-server-private-channels` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/gustavonline-slack-mcp-server-private-channels/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