# Slack

> Use this tool when you need to integrate AI functionality with Slack workspaces, enabling interactions such as posting messages, managing threads, and accessing user profiles. It solves problems of conversational engagement and data retrieval within Slack, providing a robust set of tools for AI assistants. With inputs including channel and user data, and outputs such as posted messages and retrieved history, it's ideal for use cases requiring seamless interaction with Slack conversations and workspace data.

Canonical page: https://skillsregistry.net/skills/motsuo373-slack  
JSON: https://api.skillsregistry.net/v1/skills/motsuo373-slack

## Description

Extension of the Slack MCP Server that enables Claude to interact with Slack workspaces through a robust set of tools. Built on the @modelcontextprotocol/sdk, it provides functionality for listing channels, posting messages, managing threads, adding reactions, retrieving channel history, and accessing user profiles. The implementation uses a clean TypeScript architecture with proper error handling and input validation, making it ideal for AI assistants that need to engage with Slack conversations and workspace data.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/motsuo373-slack)
- **Repository:** <https://github.com/motsuo373/mcp-servers-slack-extension>

## 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": "motsuo373-slack"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/motsuo373-slack` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/motsuo373-slack/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